STV0042A datasheet(15/24 Pages) STMICROELECTRONICS

15 / 24 page

PIN INTERNAL CIRCUITRY (continued)

A GND L

Doubled bonded :

- One pad connected to the left VCO, dividers,

mixers and guard ring. the guard connection is

star connected directly to the pad.

- The second pad is connected to both AGC amps

and the deemphasis amplifiers, frequency syn-

thesis and FM deviation selection circuit for both

channels.

A 12V

Doubled bonded :

- One pad connected to the ESD and guard ring.

- The second pad is connected to the main power

for all of the audio parts.

A GND R

Boubled bonded :

- One pad connected to the right VCO, dividers,

mixers and guard ring. The guard connection is

star connected directly to the pad.

- The second pad is connected to the bias block,

audio noise reduction, volume, mux and ESD.

V 12V

V GND

Video Pads

DD 5V

GND 5V

Digital Pads

205

Ω

A GND L

A 12V

A GND R

Audio Pads

BIP

12V

Substrate

DZPN1

BIP 10vpl

Vpp

Vmm

Figure 25

A third bond wire on this pin is connected directly

to the die pad (substrate).

STV0042A

15/24

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