TSH512CFT(2001) データシートの表示（PDF） - STMicroelectronics

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TSH512CFT
(Rev.:2001)

HiFi stereo/mono infrared transmitter Stereo sub-carrier generator

STMicroelectronics 

TSH512

PIN DESCRIPTION

Pin Pin name

related to

direction1) Pin description

1

DEC2

TX2

-

Decoupling capacitor for internal voltage reference

2

MIC-BIAS2

TX2

O

Microphone bias

3

GND

-

-

GROUND

4

VCC

-

-

SUPPLY VOLTAGE

5

SBY

TX1 & TX2

I

Standby Control (INPUT pin)

6

VOX-INTS

TX1 & TX2

-

Time constant terminal for Audio Signal integrator in VOX

7

VOX-SENS

TX1 & TX2

-

Gain adjustment for VOX input sensitivity

8

VCC

-

-

SUPPLY VOLTAGE

9

GND

-

-

GROUND

10 MIC-BIAS1

TX1

O

Microphone bias

11 DEC1

TX1

-

Decoupling capacitor for internal voltage reference

12 LNA-INP1

TX1

I

LNA positive input

13 LNA-INN1

TX1

I

LNA negative input

14 LNA-OUT1

TX1

O

LNA output

15 ALC-INT1

TX1

-

Time constant terminal for integrator in ALC

16 PEA-INN1

TX1

I

Pre-Emphasis Amplifier negative input

17 PEA-OUT1

TX1

O

Pre-Emphasis Amplifier output

18 VCO-BIAS1

TX1

O

Bias for external VCO components

19 VCC

-

-

Supply Voltage

20 VCO-A1

TX1

-

Oscillator component connection

21 VCO-B1

TX1

-

Oscillator component connection

22 VCO-OUT1

TX1

O

VCO output

23 GND

-

-

Ground

24 BUF-IN1

TX1

I

Input to the output buffer

25 BUF-OUT1

TX1

O

Output of the output buffer

26 VCC

-

-

Supply Voltage

27 VOX-MUTE

TX1 & TX2

O

Mute control (Output pin) in VOX

28 VOX-INTN

TX1 & TX2

-

Time constant terminal for Noise integrator in VOX

29 VOX-TIMER

TX1 & TX2

-

Rise time for timer in VOX

30 GND

-

-

Ground

31 BUF-OUT2

TX2

O

Output of the output buffer

32 BUF-IN2

TX2

I

Input to the output buffer

33 GND

-

-

Ground

34 VCO-OUT2

TX2

O

VCO output

35 VCO-B2

TX2

-

Oscillator component connection

36 VCO-A2

TX2

-

Oscillator component connection

37 VCC

-

-

Supply Voltage

38 VCO-BIAS2

TX2

O

Bias for external VCO components

39 PEA-OUT2

TX2

O

Pre-Emphasis Amplifier output

40 PEA-INN2

TX2

I

Pre-Emphasis Amplifier negative input

41 ALC-INT2

TX2

-

Time constant terminal for internal peak detector in ALC

42 LNA-OUT2

TX2

O

LNA output

43 LNA-INN2

TX2

I

LNA negative input

44 LNA-INP2

TX2

I

LNA positive input

1. pin direction: I = input pin, O = output pin, - = pin to connect to supply or decoupling capacitors or external components

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