TPA4860_15 datasheet(3/28 Pages) TI

部品番号	TPA4860

部品情報	1-W MONO AUDIO POWER AMPLIFIER

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ELECTRICAL CHARACTERISTICS

OPERATING CHARACTERISTICS

TPA4860

SLOS164B – SEPTEMBER 1996 – REVISED JUNE 2004

at specified free-air temperature range, V

DD = 3.3 V (unless otherwise noted)

TPA4860

PARAMETER

TEST CONDITIONS

UNIT

MIN

TYP

MAX

VOO

Output offset voltage (measured differentially)

See (1)

5

20

mV

Supply ripple rejection ratio

VDD = 3.2 V to 3.4 V

75

dB

IDD

Quiescent current

2.5

mA

IDD(M)

Quiescent current, mute mode

750

µA

IDD(SD)

Quiescent current, shutdown mode

0.6

µA

VIH

High-level input voltage (HP-IN)

1.7

V

VIL

Low-level input voltage (HP-IN)

1.7

V

VOH

High-level output voltage (HP-SENSE)

IO = 100 µA

2.5

2.8

V

VOL

Low-level output voltage (HP-SENSE)

IO = -100 µA

0.2

0.8

V

(1)

At 3 V < VDD < 5 V the dc output voltage is approximately VDD/2.

V

DD = 3.3 V, TA = 25°C, RL = 8 Ω

TPA4860

PARAMETER

TEST CONDITIONS

UNIT

MIN

TYP

MAX

THD = 0.2%, f = 1 kHz,

AV = 2

350

mW

PO

Output power (1)

THD = 2%, f = 1 kHz,

AV = 2

500

mW

BOM

Maximum output power bandwidth

Gain = 10,

THD = 2%

20

kHz

B1

Unity-gain bandwidth

Open loop

1.5

MHz

BTL

f = 1 kHz

56

dB

Supply ripple rejection ratio

SE

f = 1 kHz

30

dB

Vn

Noise output voltage(2)

Gain = 2

20

µV

(1)

Output power is measured at the output terminals of the device.

(2)

Noise voltage is measured in a bandwidth of 20 Hz to 20 kHz.

3

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