STV0056A STMicroelectronics, STV0056A Datasheet - Page 16

• Manufacturer Part Number: STV0056A
• Description: Video ICs Analog Sound/Video
• Manufacturer: STMicroelectronics
• Type: Audio DSPr

Specifications of STV0056A

• Maximum Operating Temperature: + 70 C
• Package / Case: PDIP-56
• Minimum Operating Temperature: 0 C
• Mounting Style: Through Hole
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

STV0056A
PIN INTERNAL CIRCUITRY (continued)
AMPLK L, AMPLK R, AGC L, AGC R
I2 and I1 from the amplitude detecting mixer.
Figure 23
V
The 400 A source is off during stand-by mode.
Figure 24
LEVEL L, LEVEL R
Figure 25
PK IN L, PK IN R
Figure 26
V 12V
Doubled bonded (two bond wires and two pads for
one package pin) :
- One pad is connected to all of the 12V ESD and
- The second pad is connected to power up the
16/26
REF
video guard rings.
video block.
Audio
AMPLK R
PK IN R
AMPLK L
PK IN L
Vbg 1.2V
49k
V
SW
REF
2.4V
V
REF
I2
I1
49k
2.4V
To VCA
4
2
10k
V
67k
REF
50k
2.4V
10k
10k
GND 0V
1
1
100 A
100 A
5 A
160 A
400 A
To Peak Det
V
REF
LEVEL R
LEVEL L
AGC L
AGC R
(2.4V)
V GND
Doubled bonded :
- One pad is connected to power-up all of the video
- The second pad is only as a low noise GND for
V
Connected to XTL oscillator and the bulk of the
CMOS logic and 5V ESD.
A GND
Doubled bonded :
- One pad connected to the left VCO, dividers,
- The second pad is connected to both AGC amps
A 12V
Doubled bonded :
- One pad connected to the ESD and guard ring.
- The second pad is connected to the main power
A GND R
Boubled bonded :
- One pad connected to the right VCO, dividers,
- The second pad is connected to the bias block,
A third bond wire on this pin is connected directly
to the die pad (substrate).
Figure 27
DD
mux and I/O.
the video input.
mixers and guard ring. the guard connection is
star connected directly to the pad.
and the deemphasis amplifiers, frequency syn-
thesis and FM deviation selection circuit for both
channels.
for all of the audio parts.
mixers and guard ring. The guard connection is
star connected directly to the pad.
audio noise reduction, volume, mux and ESD.
BIP 10vpl
5V, GND 5V
Vmm
Substrate
Vpp
A GND R
A GND L
GND 5V
V GND
V
V 12V
A 12V
DD
5V
Video Pads
Digital Pads
Audio Pads
205
12V
BIP
+
-
DZPN1
DZPN1
DZPN1