tda7421n STMicroelectronics, tda7421n Datasheet - Page 7

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

ELECTRICAL CHARACTERISTICS
DC PARAMETERS (T
Voltage Controlled Oscillator (VCO)
Ref: FM Test Circuit, measure Vosc with high impedance FET probe
PLL V
OSC I
OSC V
Symbol
DIG V
IF1 V
IF2 V
f
PLL I
RF V
f
DIG I
IF1 I
IF2 I
RF I
VCOmax
VCOmin
CC
CC
CC
CC
CC
CC
CC
dd
CC
CC
CC
dd
PLL Supply Voltage
PLL Supply Current
Digital Supply Voltage
Digital Supply Current
RFSupply Voltage
RF Supply Current
IF1 Supply Voltage
IF1 Supply Current
IF2 Supply Voltage
IF2 Supply Current
Oscillator Supply Voltage
Oscillator Supply Current
Minimum VCO Frequency
Maximum VCO Frequency
amb
Parameter
= 25°C; V
CC
= 8V, V
AM MODE
FM MODE
STBY MODE
AM MODE
FM MODE
STBY MODE
AM MODE
FM MODE
STBY MODE
AM MODE
FM MODE
STBY MODE
AM MODE
FM MODE
STBY MODE
AM MODE
FM MODE
STBY MODE
V
V
tun
tun
dd
= 0
= V
= 5V, no RF input unless otherwise specified)
CC
Test Condition
Japan
Japan
Europe/USA
Europe/USA
123.2
Min.
4.75
79.2
7.5
7.5
7.5
7.5
7.5
Typ.
27.0
13.0
22.0
10.0
28.0
17.0
81.0
80.9
128
1.6
3.0
4.6
4.0
4.0
55
90
Max.
5.25
98.2
65.4
10
10
10
10
10
TDA7421N
MHz
MHz
Unit
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
V
V
V
V
V
V
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