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CS4230EChipstar Micro electronics-���������

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CS4230E

10

20

30

40

50

60

70

80

90

0 500 1000 1500 2000

2.8 3.0 3.5 4.0 4.5 5.0

Output vs Efficiency

Output[mW]

Output vs Efficiency

Power supply voltage vs Current

Power supply voltage V[ ]

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V =3.6V R =4 +33 HDD L Ω μ D MODE V =4.2V R =4 +33 HDD L Ω μ D MODE

10

20

30

40

50

60

70

80

90

0 500 1000 1500 2000

Output[mW]

5.5

Pow

er

Curr

ent(

mA

)

2.6

2.8

3.0

3.2

3.4

No load

R =4 +33 H D MODEL Ω μ

THD+N=1% 1kHz NCN OFF

Power supply voltage vs Output

2.5 3.0 3.5 4.0 4.5

Power supply voltage V[ ]

5.0

Outp

ut P

ow

er

(W)

2

3

4

5

1

6

R =4 +33 HL Ω μ D MODETHD+N=10% 1kHz NCN OFF

Power supply voltage vs Output

2.5 3.0 3.5 4.0 4.5

Power supply voltage V[ ]

5.0

Outp

ut P

ow

er

(W)

2

3

4

5

1

6

( Ω μRL=4 +33 H, NCN OFF, D MODE)TA 25 C,=

Po W D MODE=1

Frequency Response

20 100 1000

Frequency Hz[ ]

10k 20k

Gain

(dB

)

4

8

12

16

0

20

Chipstar Micro electronics-���������

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CS4230EChipstar Micro electronics-���������

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CS4230E

20 100 1000

Frequency vs THD N+

Frequency Hz[ ]

TH

D+

N(%

)

0.05

0.2

1.0

5.0

0.01

0.1

10

10k 20k 20 100 1000

Frequency Hz[ ]

10k 20k

TH

D+

N(%

)

0.05

0.2

1.0

5.0

0.01

0.1

10

Frequency vs THD N+

V =4.2V R =4 +33 H NCN OFFDD L Ω μ0.2W

1.0W

0.5W

0.2W

0.5W

1.0W

V =3.6V R =4 +33 H NCN OFFDD L Ω μ

Output vs THD N+

30 180 6 00 2 000 3600

Output[mW]

TH

D+

N(%

)

0.05

0.2

1.0

5.0

V =3.6V R =4 +33 H NCN OFF D MODEDD L Ω μ V =4.2V R =4 +33 H NCN OFF D MODEDD L Ω μ

300 3000

0.01

0.1

10

20

Output vs THD N+

40 400 2 04 0 30 00 4800

Output[mW]

8 00 4000T

HD

+N

(%)

0.05

0.2

1.0

5.0

0.01

0.1

10

20

- 80

- 70

- 60

- 50

- 40

- 30

- 20

- 10

0

Frequency vs PSRRFrequency vs CMRR

20 100 1000

Frequency Hz[ ]

10k 20k20 100 1000

Frequency Hz[ ]

10k 20k

CM

RR

dB

)

PS

RR

dB

)

- 80

- 70

- 60

- 50

- 40

- 30

- 20

- 10

VDD V=3.6

VDD V=4.2

VDD V=3.6

VDD V=4.2

������( RL=4 +33 H, NCN OFF, D MODE)Ω μTA 25 C,=

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CS4230E EMI Spectrum

AM

PL

ITU

DE

dB

uV

/m)

(

FREQUENCY(MHZ)

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IO (>1.8V)

C TR L

0.1uF

R1

R2

V CTRL=V IO*R 2/

(R1+R2)