Philips Semiconductors
Audio processor for VHS hi-fi
and linear audio
Preliminary specification
TDA9614H
5 PINNING
SYMBOL
SAP
TUNL
TUNR
CINL
CINR
EXT1L
EXT1R
EXT2L
EXT2R
EXT3L
EXT3R
RAF
VDDD
SDA
SCL
VSSD
RFCAGC
RFCOUT
LINE2L
LINE2R
LINEL
LINER
DCOUTL
DCOUTR
HPOUTL
HPOUTR
LINAGC
LININ
LINOUT
EQSW
RECEQ
LINREC
RECOUT
PBIN
RESSW
PBDC
PIN
DESCRIPTION
1
Second Audio Program (SAP) input.
2
Left channel tuner input.
3
Right channel tuner input.
4
Left channel cinch input.
5
Right channel cinch input.
6
Left channel external 1 input.
7
Right channel external 1 input.
8
Left channel external 2 input.
9
Right channel external 2 input.
10
Left channel external 3 input.
11
Right channel external 3 input.
12
Record/playback switch drive output for head amplifier control or input for overruling
the I2C-bit RAF.
13
Digital supply voltage for I2C-bus (+5 V).
14
Data input/output for I2C-bus.
15
Clock input for I2C-bus.
16
Digital ground for I2C-bus.
17
RF converter AGC-time constant.
18
RF converter drive output.
19
Line 2 left output (e.g. decoder output).
20
Line 2 right output (e.g. decoder output).
21
Line output left.
22
Line output right.
23
VU meter drive output left.
24
VU meter drive output right.
25
Headphone drive output left.
26
Headphone drive output right.
27
Linear audio AGC-time constant.
28
Audio input for linear audio to REC equalizer and output select.
29
Audio output from AGC or PB equalizer.
30
Long Play (LP) equalization switch; 15 Ω on resistance and 150 kΩ input impedance.
31
Linear audio recording amplifier negative feedback input for connecting a record
equalization network.
32
Digital output controlled by I2C-bit RN; can be used to drive an external (high voltage)
head switch and possibly the bias oscillator.
33
Linear audio recording amplifier output.
34
Linear audio playback amplifier input; during playback the impedance is 100 kΩ;
during record the impedance is 7 Ω.
35
Long Play equalization switch 50 Ω on and 150 kΩ off impedance to PBIN.
36
Linear audio playback amplifier DC decoupling.
1995 Mar 21
5