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Seminar Series
2
Instrumentation Converter Products
AgendaAgenda
Product Family Overview Introduction & Benefits of - Architecture - ADC Applications The AD7708/09/18/19 Family The AD7782/83 Family The AD7732/34/38/39 Family Lower Power AD779x Family Summary & New Product Directions
3
ICV Legacy Products
VFCLow Cost, Easy to Use, Easy Isolation
AD774xAD65x
ADVFC32AD537
AD420, AD42116-Bits
Industrial 4-20mA Current Loop Systems
- DAC
AD7710 .. 1324-Bit
- ADCDual Power Supply
AD771424-Bit
AD7705 /06 /07 /1516-Bit
AD7730, AD773124-Bits
- ADCLow Power
- ADCHigh PerformanceHigher Throughput
4
ICV New Products Roadmap - 2003
AD771924-Bit + 16-Bit
Dual ADCCurrent sources
Single ADC, Low CostCurrent Sources
AD7732 / 3424-Bit
AD770916-Bit
AD7732; 2 Diff ChAD7734; 4 Single Ch16bits @ 2kHz, ±10V
AD773824-Bit
4 Diff or 8 Single Ch 16bits @ 4 kHz, ±2.5V
AD7708 / 1816 / 24-Bit
4/5 Diff or 8/10 Single Ch
Speed
AD7782 / 8324-Bit
AD773924-Bit
4 Diff or 8 Single Ch 16bits @ 8.5 kHz, ±2.5V
Read Only, Easy to useAD7782: 2 diff chAD7783: 1 diff ch + Cur.Sources
Low Power
Now
AD779x24-Bit
5
Instrumentation Converter Products
AgendaAgenda
Product Overview Introduction & Benefits of - ADC Architecture - ADC Applications The AD7708/09/18/19 Family The AD7782/83 Family The AD7732/34/38/39 Family Lower Power AD779x Family Summary & New Product Directions
6
- ADC – - Architecture Benefits
High Resolution 24 bits no missing codes 22 bits effective (RMS) resolution 19 bits noise free (pk-pk) resolution
High Accuracy INL 2ppm of Full Scale ~ 1LSB in 19 bits Gain drift 0.5ppm/°C
More Digital, Less Analog Programmable Balance between Speed x Resolution
Over Sampling & Digital Filter 50 / 60Hz rejection High Nyquist frequency
Wide Dynamic RangeLow Cost
7
- ADC – System on chip features
Analog Input Buffer Drives Modulator Dynamic Input Current
Differential AIN, REFIN Ratiometric Configuration
MultiplexerPGACalibrations
Self Calibration, System Calibration
Chopping No Offset and Offset Drifts
8
Low Cost, High Resolution (to 24-bits) Excellent DNL, INL
Limited Bandwidth
Key Concepts are Simple, but Math is Complex
Oversampling
Quantization Noise Shaping
Digital Filtering
Decimation
9
FIRST-ORDER SIGMA-DELTA ADC
+
_
+VREF
–VREF
DIGITALFILTER
ANDDECIMATOR
+
_
CLOCK
Kfs
VINN-BITS
fs
fs
A
B
1-BIT DATASTREAM1-BIT
DAC
LATCHEDCOMPARATOR(1-BIT ADC)
1-BIT,
Kfs
SIGMA-DELTA MODULATOR
INTEGRATOR
10
OVERSAMPLING, DIGITAL FILTERING, NOISE SHAPING, AND DECIMATION
fs
2
fs
QUANTIZATIONNOISE = q / 12 q = 1 LSBADC
fs NyquistOperation
A
KfsKfs
2
fs
2
REMOVED NOISE
MODDIGITALFILTER
Kfs
DEC
fs
Oversampling+ Noise Shaping+ Digital Filter+ DecimationC
Kfs
2
Kfsfs
2
DIGITAL FILTER
REMOVED NOISEADCDIGITALFILTER
Kfs
Oversampling+ Digital Filter+ DecimationB
DEC
fs
11
EFFECT OF INPUT-REFERRED NOISE ON ADC "GROUNDED INPUT" HISTOGRAM
n n+1 n+2 n+3 n+4n–1n–2n–3n–4
NUMBER OFOCCURANCES
RMS NOISE
P-P INPUT NOISE
6.6 × RMS NOISE
OUTPUT CODE
12
DEFINITION OF "NOISE-FREE" CODE RESOLUTION
EFFECTIVERESOLUTION
= log2
FULLSCALE RANGERMS NOISE BITS
P-P NOISE = 6.6 × RMS NOISE
NOISE-FREECODE RESOLUTION = log2
FULLSCALE RANGEP-P NOISE BITS
= EFFECTIVE RESOLUTION – 2.72 BITS
NOISE-FREECODE RESOLUTION
= log2FULLSCALE RANGE
6.6 × RMS NOISEBITS
0.4uVrms
20mV
16.5bits
13
Instrumentation Converter Products
AgendaAgenda
Product Overview Introduction & Benefits of - ADC Architecture - Applications The AD7708/09/18/19 Family The AD7782/83 Family The AD7732/34/38/39 Family Lower Power AD779x Family Summary & New Product Directions
14
Where are these ADCs used?
Process Control 4-20mA
Sensors Temperature Pressure Weigh Scale
Instrumentation Gas Monitoring Portable Instrumentation Medical Instrumentation
15
- ADC – Applications examples
Temperature measurement Thermocouple RTD (Resistive Temperature Detector)
Bridge Type Sensor Pressure measurement Weighscales
Industrial / Instrumentation Multi-Channel High AIN Voltages ±10V
16
- ADC – Thermocouple
T1
“COLD JUNCTION”
DIGITALINTERFACE
HOSTSYSTEM
TEMPSENSOR
T2
METAL A
METAL B
COPPER
COPPER
ANALOGFRONT-END
-180°C to +2300°C
AIN17 to 80uV /°C
ISOTHERMALBLOCK
AIN2
AD590, AD592,Thermistor(Diode,Transistor)
MEASUREDTEMPERATURE
17
- ADC – Thermocouple
Key Requirement Cold Junction Compensation
Analog Devices On-Chip Solution 2 ADCs Current sources for Cold Junction Temp. Sensor
Recommended Parts AD7719 – Dual ADC + Current Sources AD7709 – Low Cost, 1:17 Cur.sources – Diode as Cold Junction Sensor AD7714 – Low Power AD7705 – Low Power, Low Cost
18
- ADC – RTD
DIGITALINTERFACE
HOSTSYSTEM
Pt RTD100 ohm0.385 ohm /°C
ANALOGFRONT-END
MEASUREDTEMPERATURE-200°C to +850°C
AIN154uV /°C
REFIN2.5V
400uA
RREF6.25 kohm
Vdd
19
- ADC – RTD
Key Requirement Insensitivity to wiring resistance Ratiometric configuration
Analog Devices On-Chip Solution Matched Current source Differential AIN and REFIN
Recommended Parts AD7719 – Current Sources, AD7783 – Current Sources, Pin Configurable AD7711 – Current Sources
20
- ADC – Pressure Measurements
DIGITALINTERFACE
HOSTSYSTEM
ANALOGFRONT-END
Pressure Sensor3.5 kohm10mV/V
AINFS = 14mV
REFIN2.5V
400uA
RREF6.25 kohm
21
- ADC – Pressure Measurements
Key Requirement Low level signal conditioning Ratiometric configuration
Analog Devices On-Chip Solution Low noise PGA Differential AIN and REFIN AC Bridge Excitation support
Recommended Parts AD7719 – Dual ADC AD7730 – Lowest noise, AC Excitation AD7710 – Dual Power supply (Higher excitation voltage) AD7714 – Low Power AD7705 – Low Power, Low Cost AD7791 - Ultra Low Power, Low Cost 10 uSOIC package
22
- ADC – Weighscale
DIGITALINTERFACE
HOSTSYSTEM
ANALOGFRONT-END
Load Cell350 ohm2mV/V
AIN+
REFIN+
VEXCITATION
REFIN-
AIN-
23
- ADC – Weighscale
Key Requirement Low level signal conditioning Ratiometric configuration
Analog Devices On-Chip Solution Low noise PGA Differential AIN and REFIN AC Bridge Excitation support TARE DAC
Recommended Parts AD7730 – Lowest noise,AC Excitation, TARE DAC AD7730L – Lower Power version of AD7730 AD7719 – Dual ADC AD7714 – Low Power AD7705 – Low Power, Low Cost AD7791 - Ultra Low Power, Low Cost 10 uSOIC package
24
- ADC – Multi-Channel ApplicationsPer Channel Signal Conditioning
MUX
AIN0
AIN1
AIN2
AIN3
ADC
SYSTEMINPUTS
SIGNALCONDITIONING
SIGNALCONDITIONING
SIGNALCONDITIONING
SIGNALCONDITIONING
DIGITALINTERFACE
HOSTSYSTEM
25
- ADC – Multi-Channel ApplicationsCommon Signal Conditioning
MUX
AIN0
AIN1
AIN2
AIN3
ADC
SYSTEMINPUTS
SIGNALCONDITIONING
DIGITALINTERFACE
HOSTSYSTEM
26
- ADC – Multi-Channel Applications
Key Requirements Fast Channel switching Low Per channel cost
Analog Devices On-Chip Solution Flexible I/p Multiplexer Signal Conditioning Per Channel registers
Recommended Parts AD7738 – 8 ch, 8.5 kHz channel switching AD7734 – 4 ch, 5 kHz channel switching, ±10V inputs AD7708/18 – 8/10 ch, 50/60Hz rejection AD7714 – 5 Ch, Low Power
27
- ADC – High AIN Voltages ±10V(On Chip Resistor Dividers)
SINGLE POWER SUPPLY +5V
BIAS2.5V
ADCAIN
±10V
1R
7R
2.1875V ±1.25V
28
- ADC – High AIN Voltages ±10V
Key Requirements 10V I/Ps Overvoltage Tolerant
Analog Devices On-Chip Solution Precision Resistor attenuator, temperature matched 16.5V Tolerant I/ps
Recommended Parts AD7734 – 4 ch, 5 kHz channel switching, ±10V inputs AD7732 – 2 ch differential, 5 kHz channel switching, ±10V inputs AD7712 – ±10V single ended, PGA, AD7707 – ±10V single ended, PGA, Low cost
29
Instrumentation Converter Products
AgendaAgenda
Product Overview Introduction and Benefits of - Architecture - Applications The AD7708/09/18/19 Family The AD7782/83 Family The AD7732/34/38/39 Family Lower Power AD779x Family Summary & New Product Directions
30
Product Overview
High Precision ADCsMinimal Offset/Minimal Offset DriftSimultaneous 50/60 Hz RejectionRail to Rail Buffers (within 100 mV of Rails)Additional Features
AD7719: Dual ADC AD7708/18: High Channel Count AD7709: Ratioed Current Sources for VBE Measurements AD7782/3: Read-Only, Pin Configured
31
AD7719
AVDD AGND REFIN1 XTALDVDD DGND
PWR/GND SW1/P1 SW2/P2 P3 P4
I/O PORT
AIN5
AIN6MUX
PGA MAIN ADC
REFERENCEDETECT
AUXILIARYADC
TEMPSENSOR
PLL
AD7719
SERIALINTERFACE
BUF
AVDD
IOUT1
IOUT2
CURRENTSOURCES
AIN1
AIN3MUX BUF
AGND
AIN4
Dual ADC
18.5-Bit p-p Res. @ 20 Hz Update Rate
5 Hz to 105 Hz Update Rate
20 mV to 2.56V Input Range
Current Sources
Low Side Power Switches
Burnout Currents
Reference Detect
32
AD7719: Main ADC Range Matching
0 100 200 300 400 500 600 700 800SAMPLE COUNT
AD
CIN
PU
TV
OL
TA
GE
m
V
19.372
19.371
19.370
19.369
19.368
19.367
19.366
19.365
19.364
ADC RANGE
62
0m
V
640
mV
68
0m
V
61
60
mV
63
20
mV
66
40
mV
61
.28
V
62
.56V
33
AD7708/18
AIN1
AIN8
AIN9/REFIN2(+)
AIN10/REFIN2(-)
AINCOM
MUX
PLL
XTALAGND AVDD
I/O PORT
P2P1DGND DVDD
ADC
AD7708/AD7718
PGABUF
SERIALINTERFACE
REFIN1
Software Selectable 8 or 10 Analog Inputs
Choice of Two Differential References in 8-Channel Mode
18.5-Bit p-p Res. @ 20 Hz Update Rate (Chopping Enabled)
20mV to 2.56V Input Range/ 5 Hz to 105 Hz Update Rate (with Chopping)
AD7708 - 16-Bit, AD7718 - 24-Bit (pin compatible)
34
AD7709
AIN1
MUXAIN3
AIN4
AINCOM
AGND AVDD REFIN1 REFIN2 XTAL
SERIALINTERFACE
DGND DVDD
AD7709
I/O PORT
SW2/P2SW1/P1PWRGND
16-BITADC
PGABUF
PLLIOUT1
IOUT2
CURRENTSOURCES
Three Ratio-Matched & Switchable Current Sources
2 Switchable Reference Inputs for Greater Flexibility
Two Low-side Power Switches
16-Bit p-p Res. @ 20 Hz Update Rate (Chopping Enabled)
20mV to 2.56V Input Range/ 5 Hz to 105 Hz Update Rate
35
Instrumentation Converter Products
AgendaAgenda
Product Overview Introduction and Benefits of - Architecture - Applications The AD7708/09/18/19 Family The AD7782/83 Family The AD7732/34/38/39 Family Lower Power AD779x Family Summary & New Product Directions
36
AD7782
MUX
GND VDD REFIN XTAL
AD7782 PLL
SERIALINTERFACE
24-BITADC
PGABUF
CH1/CH2 RANGE
AIN1
AIN2
24-Bit ADC
Read-Only Device
Fixed 20 Hz Output Word
18.5-Bit p-p Res. @ 20 Hz
+2.56 V or +160 mV Input Range
AD7782: 2 Differential Channels
AD7783: One Differential Channel, 2 Current Sources
37
Product OverviewProduct Overview
Minimal Offset/Minimal Offset Drift
Simultaneous 50/60 Hz Rejection
Rail to Rail Buffers (Within 100 mV of Rails)
Additional Features–AD7719: Dual ADC
–AD7708/18: High Channel Count
–AD7709: Low Cost
–AD7782/3: Read-Only, Pin Configured
38
Instrumentation Converter Products
AgendaAgenda
Product Overview Introduction and Benefits of - Architecture - Applications The AD7708/09/18/19 Family The AD7782/83 Family The AD7732/34/38/39 Family Lower Power AD779x Family Summary & New Product Directions
39
Product OverviewProduct Overview
High Resolution, High Accuracy 24 Bits No Missing Codes15ppm INLExtended Temperature Range -40 to + 105°C
Optimized for fast Channel Switching16 Bits pk-pk (19 Bits Effective) @ 8.5kHz (AD7738)Per Channel Configuration + System CalibrationPer Channel Data + Status Registers
Additional Features–AD7732: 2 Differential Inputs: 5V, 10V, +5V, + 10V
–AD7734: 4 Single-Ended Inputs: 5V, 10V, +5V, +10V
–AD7738: 8 Single/4 Differential Inputs: +1.25V, +2.5V
–AD7739: 8 Single/4 Differential Inputs: +1.25V, +2.5V
40
AD7732 – Block Diagram
BUFFER
MUX
I/O PORT
AGND AVDD
SERIALINTERFACE
RDY
RESET
SERIALINTERFACE
DGND DVDD
REFERENCEDETECT
REFIN
CLOCKGENERATOR
MCLK
SIGMA-DELTAADC
AD7732
CONTROLLOGIC
CALIBRATIONCIRCUITRY
P0
AVDD
SYNC /P1
AIN0(+)
AIN1(-)
AIN1(+)
AIN0(-)
24-Bit ADC
5V or 10V Analog Input Range
Optimized for Multiplexed Applications
16-Bit p-p Res. @ 2 kHz Switching
On-Chip Buffer
-40oC to +105oC
41
AD7734 – Block Diagram
BUFFERAIN0
AIN3
MUX
I/O PORT
AGND AVDD
SERIALINTERFACE
RDY
RESET
SERIALINTERFACE
DGND DVDD
REFERENCEDETECT
REFIN
CLOCKGENERATOR
MCLK
SIGMA-DELTAADC
AD7734
CONTROLLOGIC
CALIBRATIONCIRCUITRY
BIASHIBIASLO
P0
AVDD
SYNC /P1
24-Bit ADC
5V or 10V Analog Input Range
Optimized for Multiplexed Applications
16-Bit p-p Res. @ 2 kHz Switching
On-Chip Buffer
-40oC to +105oC
42
AD7738
AINCOM /P0
SYNC /P1I/O PORT
AVDD
BUFFER
AIN7
AIN0
MUX
MUXOUT ADCIN
AGND AVDD
SERIALINTERFACE
RDY
RESET
SERIALINTERFACE
DGND DVDD
REFERENCEDETECT
CLOCKGENERATOR
MCLK
SIGMA-DELTAADC
AD7738
CONTROLLOGIC
CALIBRATIONCIRCUITRY
REFIN
24-Bit ADC
+/-1.25V & +/-2.5V Input Range
Optimized for Multiplexed Applications
16-Bit p-p Res. @ 8.5 kHz Switching
On-Chip Buffer
-40oC to +105oC
43
BUFFERAIN1
AIN2
AIN3
MUX
I/O PORT
AGND AVDD
SCLK
DIN
DOUT
CS
RDY
RESET
SERIALINTERFACE
DGND DVDD
REFERENCEDETECT
REFIN
CLOCKGENERATOR
MCLKINMCLKOUT
SIGMA-DELTAADC
AD7734
CONTROLLOGIC
CALIBRATIONCIRCUITRY
BIASHIBIASLO
P0
AVDD
AIN0
SYNC /P1
BUFFERAIN1
AIN2
AIN3
MUX
AGND AVDD
SCLK
DIN
DOUT
CS
RDY
RESET
SERIALINTERFACE
DGND DVDD
REFERENCEDETECT
REFIN
CLOCKGENERATOR
MCLKINMCLKOUT
SIGMA-DELTAADC
AD7734
CONTROLLOGIC
CALIBRATIONCIRCUITRY
BIASHIBIASLO
AIN0
AD7734 – System On Chip Try to remove some features:
Additional Features Signal Scaling
BUFFERAIN1
AIN2
AIN3
MUX
AGND AVDD
SCLK
DIN
DOUT
CS
RDY
RESET
SERIALINTERFACE
DGND DVDD
REFIN
CLOCKGENERATOR
MCLKINMCLKOUT
SIGMA-DELTAADC
AD7734
CONTROLLOGIC
CALIBRATIONCIRCUITRY
BIASHIBIASLO
AIN0
BUFFERAIN1
AIN2
AIN3
MUX
AGND AVDD
SCLK
DIN
DOUT
CS
RDY
RESET
SERIALINTERFACE
DGND DVDD
REFIN
CLOCKGENERATOR
MCLKINMCLKOUT
SIGMA-DELTAADC
AD7734
CONTROLLOGIC
CALIBRATIONCIRCUITRY
BIAS
AIN0
BUFFER
AGND AVDD
SCLK
DIN
DOUT
CS
RDY
RESET
SERIALINTERFACE
DGND DVDD
REFIN
CLOCKGENERATOR
MCLKINMCLKOUT
SIGMA-DELTAADC
AD7734
CONTROLLOGIC
CALIBRATIONCIRCUITRY
AIN
AGND AVDD
SCLK
DIN
DOUT
CS
RDY
RESET
SERIALINTERFACE
DGND DVDD
REFIN
CLOCKGENERATOR
MCLKINMCLKOUT
SIGMA-DELTAADC
AD7734
CONTROLLOGIC
CALIBRATIONCIRCUITRY
AIN
AGND AVDD
SCLK
DIN
DOUT
CS
RDY
RESET
SERIALINTERFACE
DGND DVDD
REFIN
CLOCKGENERATOR
MCLKINMCLKOUT
SIGMA-DELTAADC
AD7734
CONTROLLOGIC
AIN
AGND AVDD
SCLK
DIN
DOUT
CS
RDY
RESET
SERIALINTERFACE
DGND DVDD
REFIN
MCLKIN
SIGMA-DELTAADC
AD7734
CONTROLLOGIC
AIN
AGND AVDD
SCLK
DOUT
CS
SERIALINTERFACE
DGND DVDD
REFIN
MCLKIN
SIGMA-DELTAADC
AD7734
AIN
Multiplexer Buffer Calibrations Clock Generator Programmable Features Schmitt Trigger
AGND AVDD
SCLK
DOUT
CS
SERIALINTERFACE
DGND DVDD
REFIN
MCLKIN
SIGMA-DELTAADC
AD7734
AIN
AGND AVDD
SCLK
DOUT
CS
SERIALINTERFACE
DGND DVDD
REFIN
MCLKIN
SIGMA-DELTAADC
AD7734
AIN
ADC
No System On Chip !
44
AD7739 – Block Diagram
BUFFER
AIN4
AIN5
AIN6
AIN7
AIN0
AIN1
AIN2
AIN3
SYNC /P1
MUX
I/O PORT
AGND AVDD
SCLK
DIN
DOUT
CS
RDY
RESET
SERIALINTERFACE
DGND DVDD
REFERENCEDETECT
REFIN
CLOCKGENERATOR
MCLKINMCLKOUT
SIGMA-DELTAADC
AD7739
CONTROLLOGIC
CALIBRATIONCIRCUITRY
AVDD
45
AD7739 – Comparison to the AD7738
Parameter AD7739 AD7738
CHANNEL SWITCHING
(for 16 Bits p-p resolution)
4.0 kHz (Normal Mode)
2.5 kHz (Reduced Power)
8.5 kHz (Normal Mode)
POWER CONSUMPTION 60 mW typ.
(Power Reduced Mode)
85 mW typ.
AIN LEAKAGE CURRENT (static)
10 nA 200 nA
MUX pinned out externally No Yes
AIN SOURCE IMPEDANCE
(for 16 Bits performance)
~ 1 k < 100
PACKAGE TSSOP-24 TSSOP-28
46
AD7739 – Comparison to the AD7738
AD7739 Higher AIN Source Impedance Allowed Lower Power
AD7738 Lower Noise at Higher Speed External Signal Conditioning Between MUX and ADC
47
Instrumentation Converter Products
AgendaAgenda
Product Overview Introduction and Benefits of - Architecture - Applications The AD7708/09/18/19 Family The AD7782/83 Family The AD7732/34/38/39 Family Lower Power AD779x Family Summary & New Product Directions
48
AD7790 /AD7791
AD7790: 16-Bit, AD7791: 24-Bit Low Supply Current: 65 uA typical, 160uA max, 1uA power down Internal 32.768kHz Clock Simultaneous 50/60 Hz Rejection (16.7 Hz Update Rate) 1.5 uV rms Noise (19-Bit p-p Res) @ 16.7 Hz Update Rate Continuous Read Mode 10-ld MSOP package
32 kHzCLOCK
GND VDD
ADC
AD7790/AD7791
BUFSERIAL
INTERFACE
REFIN1
AIN(+)
AIN(-)
49
AD7788 /AD7789
AD7788: 16-Bit, AD7789: 24-Bit Low Supply Current: 65 uA typical, 100uA max, 1uA power down Internal 32.768kHz Clock Simultaneous 50/60 Hz Rejection (16.7 Hz Update Rate) 1.5 uV rms Noise (19-Bit p-p Res) @ 16.7 Hz Update Rate Continuous Read Mode 10-ld uSOIC package
GND VDD REFIN
AD7788/AD7789
32 KHzCLOCK
SERIALINTERFACE
16 / 24-BITADC
AIN
50
AD779x Family
AD7790/91 Single Channel, Low Power, 16- / 24- Bit ADCs Buffered Analog Inputs (AD7788/89: without buffer) Sampling Now (Release July 03)
AD7792/93/94 Low Noise, Low Power Programmable Gain In-Amp Added To ADC
Core 2 / 6 Channel, 16- / 24- Bit ADCs Sampling September 03
AD7797 Single Channel, Low Power, 24- Bit ADCs with I2C interface
51
AD7788/89/90/91 – Key Advantages
Lowest Current – 65uA Typ. AD7788/89 @ 3V
Buffer – AD7790/1 are Only Buffered ADCs in Small Package Converts in 120ms/60ms; Fastest Low-Drift with 50/60Hz Rej. Noise – 19-Bits Pk-Pk at Best Conversion Rates Package – MSOP-10 ultra small 24-Bit ADC Extras–
Internal Clock For Lower System Cost&Power, with Simul. 50/60Hz Rej. Selectable Update Rates on AD7790/91 Low Power Modes on 7790/1 Allow Trade-Off of Speed Vs Power Vdd Channel For Battery Monitoring
52
Instrumentation Converter Products
AgendaAgenda
Product Overview Introduction and Benefits of - Architecture - Applications The AD7708/09/18/19 Family The AD7782/83 Family The AD7732/34/38/39 Family Lower Power AD779x Family Summary & New Product Directions
53
Summary
Application Examples How to choose the correct part
ICV New Products Additional On-Chip features -> AD7708 / 18 / 09 / 19 Easy to use, Read Only -> AD7782 / 83 Fast Ch.Switching, ±10V Input -> AD7732 / 34 / 38 Low Power 16/24-Bit ADC Converter -> AD7790 / 91 ICV ADC Selector Guide
ICV Future Directions Continue to Develop Precision Devices High Throughput Low Power / Low Voltage
Eval Boards Available on all products
54
Product Supportwww.analog.com/sigma-delta
ICV ADC Selector Guide Recomended products by application
Technical Notes 50/60 Hz rejection Otimizing for Low Power applications Zero Ofset chopping Mode Effective Resolution
DatasheetsGeneral Design Practice ADI Seminar materials, available online
http://www.analog.com/technology/amplifiersLinear/training/sensorSignal.html
New
New
55
Data Converters
Embedded Processing & DSP
RF & Communications
Amplifiers & Linear
Power/Supervisory/Hot-Swap
MEMs Technology
Analog-to-Digital Converters Audio ConvertersDigital-to-Analog Converters Digital IsolatorsDigital Up/Down Converters Display ElectronicsDirect Digital Synthesis MicroConverters®Mixed Signal Front-ends (MxFE) ReferencesThermal and System Management Energy MeasurementVoltage-to-Frequency Converters
Solutions