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TDA7421N Folha de dados(PDF) 3 Page - STMicroelectronics

Nome de Peças TDA7421N
Descrição Electrónicos  AM/FM TUNER FOR CAR RADIO AND HI-FI APPLICATIONS
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7421N Folha de dados(HTML) 3 Page - STMicroelectronics

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


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