TDA7375AV(2008) 查看數據表（PDF） - STMicroelectronics

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TDA7375AV
(Rev.:2008)

2 x 37 W dual/quad power amplifier for car radio

STMicroelectronics 

TDA7375AV

Electrical specification

Table 4.

Electrical characteristics (continued)

(Refer to the test circuit, VS = 14.4V; RL = 4Ω; f = 1kHz; Tamb = 25°C, unless otherwise

specified)

Symbol

Parameter

Test condition

Min. Typ. Max. Unit

CT

Cross talk

f = 1 kHz Single ended

70

dB

f = 10 kHz Single ended

60

dB

f = 1 kHz Bridge

55

dB

RIN

GV

GV

EIN

SVR

ASB

ISB

VSB

VSB

Ipin7

f = 10 kHz Bridge

60

dB

Input impedance

Single Ended

Bridge

20 30

kΩ

10 15

kΩ

Voltage gain

Single Ended

Bridge

19 20 21 dB

25 26 27 dB

Voltage gain match

0.5 dB

Input noise voltage

Rg = 0; ”A” weighted, S.E.

Non inverting channels

Inverting channels

Bridge

Rg = 0; 22 Hz to 22 kHz

Supply voltage rejection

Rg = 0; f = 300 Hz

Standby attenuation

PO = 1 W

Standby current consumption VSt-by = 0 to 1.5 V

Standby In threshold voltage

2

μV

5

μV

3.5

μV

50

dB

80 90

dB

100 μA

1.5 V

Standby Out threshold voltage

3.5

V

Standby pin current

Play mode Vpin7 = 5 V

Max. driving current under fault (2)

50 μA

5

mA

Icd off

Clipping detector output

average current

d = 1% (3)

90

μA

Icd on

Clipping detector output

average current

d = 5%(3)

160

μA

Vsat pin10 Voltage saturation on pin 10

1. Saturated square wave output.

2. See built-in S/C protection description

3. Pin 10 pulled-up to 5V with 10 kΩ; RL = 4Ω

Sink current at Pin 10 = 1mA

0.7 V

7/20

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