TDA7342N 查看數據表（PDF） - STMicroelectronics

零件编号

产品描述 (功能)

比赛名单

TDA7342N

Digitally controlled audio processor

STMicroelectronics 

TDA7342

Electrical specifications

Table 4.

Symbol

Electrical characteristics (continued)

(VS = 9V; RL = 10KΩ; Rg = 50Ω; Tamb = 25°C; all gains = 0dB; f = 1KHz. Refer

to the test circuit, unless otherwise specified.)

Parameter

Test condition

Min. Typ. Max. Unit

Audio output

Vclip Clipping Level

RL Output Load Resistance

RO Output Impedance

VDC DC Voltage Level

General

d = 0.3%

2.1 2.6

Vrms

2

KΩ

30 100 Ω

3.5 3.8 4.1 V

VCC Supply Voltage

ICC Supply Current

PSRR

Power Supply Rejection

Ratio

eNO Output Noise

Et Total Tracking Error

S/N Signal to Noise Ratio

SC Channel Separation

d Distortion

Bus inputs

6

5

f = 1KHz

60

B = 20 to 20kHz "A"

weighted

Output muted (B = 20 to

20kHz flat)

All gains 0dB (B = 20 to

20kHz flat)

AV= 0 to -20dB

AV= -20 to -60dB

All Gains = 0dB; VO= 1Vrms

80

VIN =1V

9 10.2 V

10 15 mA

80

dB

65

dB

2.5

μV

5 15 μV

0

1 dB

0

2 dB

106

dB

100

dB

0.01 0.08 %

VIL Input Low Voltage

VlN Input High Voltage

IlN Input Current

Output Voltage SDA

VO Acknowledge

VIN = 0.4V

IO= 1.6mA

1

V

3

V

-5

5 μA

0.4 0.8 V

1. WIN represents the MUTE programming bit pair D6, D5 for the zero crossing window threshold

2. Internal pull-up resistor to Vs/2; LOW = softmute active

9/20

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