tda7421n STMicroelectronics, tda7421n Datasheet - Page 3

• Manufacturer Part Number: tda7421n
• Description: Am/fm Tuner For Car Radio And Hi-fi Applications
• Manufacturer: STMicroelectronics

ABSOLUTE MAXIMUM RATINGS
THERMAL DATA
PIN DESCRIPTION
R
R
th j-amb, fa
th j-amb, sol
Symbol
Symbol
T
V
V
T
10
11
12
13
14
15
16
17
18
19
amb
N.
1
2
3
4
5
6
7
8
9
stg
CC
DD
Operating Temperature Range
Storage Temperature Range
Analog Supply Voltages (PLL, RF, IF1, IF2, OSC)
Digital Supply Voltage
Thermal Resistance Junction-Ambient, Free Air
Thermal Resistance Junction-Ambient, Soldered
FM RF AGC IN
AM MIX1 IN +
FM AGC OUT
FM MIX1 IN +
AM MIX1 IN -
FM MIX1 IN -
FM ANT ADJ
FM RF ADJ
OSC GND
OSC VCC
PLL VCC
RF GND
LP OUT
XTAL D
XTAL G
VCO B
VCO E
LP IN1
LP IN2
Name
AM 1
AM 1
FM mixer negative input (differential -)
FM mixer positive input (differential +)
RF AGC input
FM AGC output voltage
RF ground
Local oscillator input to the transistor base
Local oscillator input to the transistor emitter
Oscillator ground
Crystal oscillator MOS amplifier output
Crystal oscillator MOS amplifier input
Oscillator positive supply
Tuning varicap voltage for antenna FM filter
Tuning varicap voltage for RF FM filter
PLL positive supply
Op Amp output to PLL loop filters
FM loop filter connection to op-amp inverting input
AM loop filter connection to op-amp inverting input
Parameter
Parameter
st
st
mixer negative input (differential -)
mixer positive input (differential +)
Function
Typ. Value
-55 to 150
-40 to 85
Value
10.2
5.5
68
55
TDA7421N
°C/W
°C/W
Unit
Unit
°C
°C
V
V
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