Halogen and Antimony Free. “Green” Device (Note 3)
Qualified to AEC-Q100 Grade 1
PPAP Capable (Note 4)
Pin Assignments
LM2904Q/ LM2904QA
(Top View)
1
2
3
7
6
54
8
SO-8/TSSOP-8/MSOP-8
1OUT VCC
2IN-
2IN+
1IN-
1IN+
GND
2OUT1+
-
+2
-
LM2902Q/ LM2902QA
(Top View)
1
2
3
13
12
114
14
SO-14/TSSOP-14
1OUT 4OUT
4IN+
7
6
5
9
10
8
GND
3OUT
3IN-
3IN+
1IN-
1IN+
VCC
2IN+
2IN-
2OUT
4IN-
2
+
-
1+
-
+
-4
+
-3
Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant. 2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and Lead-free. 3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and <1000ppm antimony compounds. 4. Automotive products are AEC-Q100 qualified and are PPAP capable. Refer to http://www.diodes.com/quality/product_compliance_definitions/.
(One Amplifier) (Note 7) VCC ≤ 15V and TA = +25°C Continuous —
TA Operating Temperature Range -40 to +125 °C
TJ Operating Junction Temperature +150 °C
TST Storage Temperature Range -65 to +150 °C
Notes: 5. Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings only, functional operation of the device at these or any other conditions beyond those indicated under recommended operating conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
6. Maximum power dissipation is a function of TJ(max), θJA, and TA. The maximum allowable power dissipation at any allowable ambient temperature is
PD = (TJ(max) − TA)/θJA. Operating at the absolute maximum TJ of +150°C can affect reliability.
7. Short circuits from outputs to VCC or ground can cause excessive heating and eventual destruction.
ESD Ratings
Human Body Mode ESD Protection (Note 8)
LM2901_QS14 500
V
LM2901_QT14 500
LM2903_QS-13 500
LM2903_QTH-13 500
LM2903_QM8-13 <500
Charge Device Mode ESD Protection
LM2901_QS14
1,000
LM2901_QT14
LM2903_QS-13
LM2903_QTH-13
LM2903_QM8-13
Note: 8. Human body model, 1.5kΩ in series with 100pF.
Vn Equivalent Input Noise Voltage RS = 100Ω, VI = 0V, f = 1kHz 40 nV/√Hz
Notes: 9. The direction of the input current is out of the IC due to the PNP input stage. This current is essentially constant, independent of the state of the
output so that no loading change exists on the input lines. 10. The input common-mode voltage of either input signal voltage should not be allowed to become negative by more than 0.3V (@ +25°C). The upper end
of the common-mode voltage range is VCC -1.5V (@ +25°C), but either or both inputs can go to +36V without damage, independent of the magnitude of
VCC.
11. Due to proximity of external components, ensure that coupling is not originating via stray capacitance between these external parts. This typically can be detected as this type of capacitance increases at higher frequencies.
12. Typical values are all at TA = +25°C conditions and represent the most likely parametric norm as determined at the time of characterization. Actual
typical values may vary over time and will also depend on the application and configuration. The typical values are not tested and are not guaranteed on shipped production material.
13. All limits are guaranteed by testing or statistical analysis. Limits over the full temperature (-40 ≤ TA ≤ +125°C) are guaranteed by design, but not
Vn Equivalent Input Noise Voltage RS = 100Ω, VI = 0V, f = 1kHz 40 nV/√Hz
Notes: 9. The direction of the input current is out of the IC due to the PNP input stage. This current is essentially constant, independent of the state of the
output so that no loading change exists on the input lines. 10. The input common-mode voltage of either input signal voltage should not be allowed to become negative by more than 0.3V (@ +25°C). The upper end
of the common-mode voltage range is VCC -1.5V (@ +25°C), but either or both inputs can go to +36V without damage, independent of the magnitude of
VCC.
11. Due to proximity of external components, ensure that coupling is not originating via stray capacitance between these external parts. This typically can be detected as this type of capacitance increases at higher frequencies.
12. Typical values are all at TA = +25°C conditions and represent the most likely parametric norm as determined at the time of characterization. Actual
typical values may vary over time and will also depend on the application and configuration. The typical values are not tested and are not guaranteed on shipped production material.
13. All limits are guaranteed by testing or statistical analysis. Limits over the full temperature (-40 ≤ TA ≤ +125°C) are guaranteed by design, but not
The LM2902Q/2904Q series op amps which operate with only a single power supply voltage, have true-differential inputs and remain in the linear
mode with an input common-mode voltage of 0 VDC. These amplifiers operate over a wide range of power supply voltage with little change in
performance characteristics. At +25°C, amplifier operation is possible down to a minimum supply voltage of 2.3 VDC.
Precautions should be taken to ensure that the power supply for the integrated circuit never becomes reversed in polarity, or that the unit is not
inadvertently installed backwards in a test socket. If precaution is not taken, an unlimited current surge through the resulting forward diode within
the IC may occur and could cause fusing of the internal conductors, destroying the unit.
Large differential input voltages can be easily accommodated and, as input differential voltage protection diodes are not needed, no large input
currents result from large differential input voltages. The differential input voltage may be larger than V+ without damaging the device. Protection
should be provided to prevent the input voltages from becoming negative more than -0.3 VDC (@ +25°C). An input clamp diode with a resistor to the
IC input terminal can be used.
To reduce the power supply current drain, the amplifiers have a class A output stage for small signal levels which converts to class B in a large
signal mode. This allows the amplifiers to both source and sink large output currents. Therefore both NPN and PNP external current boost
transistors can be used to extend the power capability of the basic amplifiers. The output voltage needs to raise approximately 1 diode drop above
ground to bias the on-chip vertical PNP transistor for output current sinking applications.
For AC applications where the load is capacitive coupled to the output of the amplifier, a resistor should be used from the output of the amplifier to
ground to increase the class A bias current, and prevent crossover distortion. Where the load is directly coupled, as in DC applications, there is no
crossover distortion.
Capacitive loads which are applied directly to the output of the amplifier reduce the loop stability margin. Values of 50pF can be accommodated
using the worst-case non-inverting unity gain connection. Large closed loop gains or resistive isolation should be used if larger load capacitance
must be driven by the amplifier.
The bias network of the LM2902Q/2904Q series establishes a quiescent current which is independent of the magnitude of the power supply voltage
over the range of 3 VDC to 30 VDC.
Output short circuits either to ground or to the positive power supply should be of short time duration. Units can be destroyed, not as a result of the
short circuit current causing metal fusing, but rather due to the large increase in IC chip dissipation which will cause eventual failure due to
excessive function temperatures. Putting direct short-circuits on more than one amplifier at a time will increase the total IC power dissipation to
destructive levels, if not properly protected with external dissipation limiting resistors in series with the output leads of the amplifiers. The larger
value of output source current which is available at +25°C provides a larger output current capability at elevated temperatures (see Typical
Performance Characteristics) than a standard IC op amp.
The circuits presented in Typical Applications section emphasize operation on a single power supply voltage. If complementary power supplies are
available, all of the standard op amp circuits can be used. In general, introducing a pseudo-ground (a bias voltage reference of VCC/2) will allow
operation above and below this value in single power supply systems. Many application circuits are shown which take advantage of the wide input
common-mode voltage range which includes ground. In most cases, input biasing is not required and input voltages which range to ground can
Notes: 14. For packaging details, go to our website at http://www.diodes.com/products/packages.html. 15. LM2902Q/2904Q have been qualified to AEC-Q100 grade 1 and are classified as “Automotive Compliant” which supports PPAP documentation.
See LM2902/2904 datasheet for commercial qualified versions.
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