TSH512 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'TSH512' PDF : 32 Pages View PDF
TSH512
Device diagrams and schematics
Table 3. Pin descriptions
Pin Pin name Related to
1 DEC2
2 MIC-BIAS2
3 GND
4 VCC
5 SBY
6 VOX-INTS
7 VOX-SENS
8 VCC
9 GND
10 MIC-BIAS1
11 DEC1
12 LNA-INP1
13 LNA-INN1
14 LNA-OUT1
15 ALC-INT1
16 PEA-INN1
17 PEA-OUT1
18 VCO-BIAS1
19 VCC
20 VCO-A1
21 VCO-B1
22 VCO-OUT1
23 GND
24 BUF-IN1
25 BUF-OUT1
26 VCC
27 VOX-MUTE
28 VOX-INTN
29 VOX-TIMER
30 GND
31 BUF-OUT2
32 BUF-IN2
33 GND
34 VCO-OUT2
35 VCO-B2
TX2
TX2
-
-
TX1 & TX2
TX1 & TX2
TX1 & TX2
-
-
TX1
TX1
TX1
TX1
TX1
TX1
TX1
TX1
TX1
-
TX1
TX1
TX1
-
TX1
TX1
-
TX1 & TX2
TX1 & TX2
TX1 & TX2
-
TX2
TX2
-
TX2
TX2
Direction(1)
Pin description
-
Decoupling capacitor for internal voltage reference
O
Microphone bias
-
Ground
-
Supply voltage
I
Standby control (input pin)
-
Time constant terminal for audio signal integrator in VOX
-
Gain adjustment for VOX input sensitivity
-
Supply voltage
-
Ground
O
Microphone bias
-
Decoupling capacitor for internal voltage reference
I
LNA positive input
I
LNA negative input
O
LNA output
-
Time constant terminal for integrator in ALC
I
Pre-emphasis amplifier negative input
O
Pre-emphasis amplifier output
O
Bias for external VCO components
-
Supply voltage
-
Oscillator component connection
-
Oscillator component connection
O
VCO output
-
Ground
I
Input to the output buffer
O
Output of the output buffer
-
Supply voltage
O
Mute control (output pin) in VOX
-
Time constant terminal for noise integrator in VOX
-
Rise time for timer in VOX
-
Ground
O
Output of the output buffer
I
Input to the output buffer
-
Ground
O
VCO output
-
Oscillator component connection
Doc ID 8120 Rev 7
5/31
Share Link: 
