TDA9874H データシートの表示（PDF） - Philips Electronics
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TDA9874H Datasheet PDF : 56 Pages
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Philips Semiconductors
Digital TV sound demodulator/decoder
Preliminary specification
TDA9874H
5.2 Pin description
Table 5 SOT205-1 package
SYMBOL
OUTL
OUTR
VDDA1
VSSA1
VSSD1
VDDD1
VSSD2
VDDD2
TP2
NICAM
TP1
PCLK
ADDR1
Vtune
XTALI
XTALO
TEST2
Iref
ADDR2
VSSA2
VDDA2
TEST1
SIF2
Vref1
SIF1
CRESET
VSSD3
VDDD3
SCL
SDA
SDO
PIN
DESCRIPTION
1 analog output left
2 analog output right
3 analog supply voltage 1; DAC circuitry
4 analog ground supply 1; DAC circuitry
5 digital ground supply 1; DAC circuitry
6 digital supply voltage 1; DAC circuitry
7 digital ground supply 2; DSP part
8 digital supply voltage 2; DSP part
9 additional test pin 2; connected to VSSD for normal operation
10 serial NICAM data output at 728 kHz
11 additional test pin 1; connected to VSSD for normal operation
12 NICAM clock output at 728 kHz
13 first I2C-bus slave address modifier
14 tuning voltage output for crystal oscillator
15 crystal oscillator input
16 crystal oscillator output
17 test pin 2; connected to VSSD for normal operation
18 resistor for reference current generation; front end circuitry
19 second I2C-bus slave address modifier
20 analog ground supply 2; analog front end circuitry
21 analog supply voltage 2; analog front end circuitry
22 test pin 1; connected to VSSD for normal operation
23 sound IF input 2
24 reference voltage; analog front end circuitry
25 sound IF input 1
26 capacitor for power-on reset
27 digital ground supply 3; front end circuitry
28 digital supply voltage 3; front end circuitry
29 I2C-bus clock input
30 I2C-bus data input/output
31 I2S-bus serial data output
1998 Apr 27
8
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