TDA7421N Datasheet, PDF (7/38 Pages) STMicroelectronics – AM/FM TUNER FOR CAR RADIO AND HI-FI APPLICATIONS

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