TDA8198 查看數據表（PDF） - STMicroelectronics

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TDA8198

DOUBLE AUDIO SWITCH AND DC VOLUME CONTROL FOR TV

STMicroelectronics 

TDA8198

ABSOLUTE MAXIMUM RATINGS

Symbol

VS

Tstg

Toper

Parameter

Supply Voltage

Storage Temperature

Operating Ambient Temperature

Value

Unit

16

V

-55, +125

oC

0, +70

oC

ELECTRICAL CHARACTERISTICS

Measured according to the following conditions, unless otherwise specified : Tamb = 25oC, VS = +12V.

Symbol

VS

IS

VR

VM

RSW

VI

∆k

kMIN

dK

VC

THD1

THD2

CT

CC

RI

RO

I - VC

Parameter

Supply Voltage Range

Supply Current (VIN = 0, VC = 0.5V)

Reference Voltage

Mode Selection Voltage

Audio 1

Audio 2

Switching Input Resistance

Audio Input Amplitude

DC Volume Control Range @ VI = 0.3VRMS

Output/Input Gain for Maximum Volume (VC = 5V)

Gain Difference between Channels at VC = 5V

Voltage Control Range

k = kMAX (volume minimum)

k = kMIN (volume maximum)

Distortion for VI = 0.25VRMS at Maximum Volume

Distortion for VO = 1.2VRMS

Crosstalk between Switched Inputs

Crosstalk between Channels 1 & 2

Audio Input Resistance

Audio Output Resistance

Output Noise Level @ VC = 5V (weighted) (curve : DIN45 405)

Volume Control Input Current (Pins 11 and 12) at VC = 5V

Volume thermal stability (k = 30dB, 0 < Tamb < 60oC)

Min.

10.8

9.5

15

70

5

Typ.

12

24

6.9

30

0.125

90

12

0

0.3

80

70

22

10

300

-12

0.04

Max.

13.2

32

5

VS

0.3

0.5

Unit

V

mA

V

V

kΩ

VRMS

dB

dB

dB

V

1

%

5

%

dB

dB

kΩ

300

Ω

µVRMS

µA

dB/oC

2/5

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