TPA6101A2DGKRG4 datasheet(4/19 Pages) TI

部品番号	TPA6101A2DGKRG4

部品情報	50-mW ULTRALOW-VOLTAGE, FIXED-GAIN STEREO HEADPHONE AUDOI POWER AMPLIFIER

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メーカー	TI [Texas Instruments]

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TPA6101A2

50mW ULTRALOW VOLTAGE, FIXEDGAIN STEREO HEADPHONE

AUDIO POWER AMPLIFIER

4

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

dc electrical characteristics at TA = 25°C, VDD = 1.6 V (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VOO

Output offset voltage

AV = 2 dB

5

40

mV

PSRR

Power supply rejection ratio

VDD = 1.4 V to 1.8 V

80

dB

IDD

Supply current

SHUTDOWN = 1.6 V

0.65

1.2

mA

IDD(SD)

Supply current in SHUTDOWN mode

SHUTDOWN = 0 V

50

250

nA

|IIH|

High-level input current (SHUTDOWN)

VDD = 1.6 V, VI = VDD

1

µA

|IIL|

Low-level input current (SHUTDOWN)

VDD = 1.6 V, VI = 0 V

1

µA

ZI

Input impedance

80

k

Ω

ac operating characteristics, VDD = 1.6 V, TA = 25°C, RL = 16 Ω

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

G

Gain

2

dB

PO

Output power (each channel)

THD

≤ 0.5%,

f = 1 kHz

10

mW

THD+N

Total harmonic distortion + noise

PO = 9.5 mW,

20 Hz−20 kHz

0.06%

BOM

Maximum output power BW

THD < 1%

> 20

kHz

kSVR

Supply ripple rejection ratio

f = 1 kHz

47

dB

SNR

Signal-to-noise ratio

PO = 10 mW

82

dB

Vn

Noise output voltage (no-noise weighting filter)

32

µV(rms)

ac operating characteristics, VDD = 1.6 V, TA = 25°C, RL = 32 Ω

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

G

Gain

2

dB

PO

Output power (each channel)

THD

≤ 0.5%,

f = 1 kHz

7.5

mW

THD+N

Total harmonic distortion + noise

PO = 6.5 mW,

20 Hz−20 kHz

0.05%

BOM

Maximum output power BW

THD < 1%

>20

kHz

kSVR

Supply ripple rejection ratio

f = 1 kHz

47

dB

SNR

Signal-to-noise ratio

PO = 7.5 mW

84

dB

Vn

Noise output voltage (no-noise weighting filter)

32

µV(rms)

TYPICAL CHARACTERISTICS

Table of Graphs

FIGURE

vs Frequency

1, 3, 5, 7, 9, 11

THD+N

Total harmonic distortion plus noise

vs Output power

2, 4, 6, 8, 10, 12

THD+N

Total harmonic distortion plus noise

vs Output voltage

13, 14

PO

Output power

vs Load resistance

15, 16

kSVR

Supply ripple rejection ratio

vs Frequency

17, 18

Vn

Output noise voltage

vs Frequency

19, 20

Crosstalk

vs Frequency

21, 22

Closed−loop gain and phase

vs Frequency

23, 24, 25, 26

IDD

Supply current

vs Supply voltage

27

PD

Power dissipation

vs Output power

28

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