TDA7326 Datasheet, PDF (3/16 Pages) STMicroelectronics – AM-FM RADIO FREQUENCY SYNTHESIZER

TDA7326
ELECTRICAL CHARACTERISTICS (Tamb = 25°C ; VDD1 = 5V; VDD2 = 9V fOSC = 4MHz; RISET = 68KΩ;
unless otherwise specified.)
Symbol
VDD1
VDD2
IDD1 FM
Parameter
Supply Voltage
Supply Voltage
Supply Current
IDD1 AM Supply Current
IDD1 STB Supply Current
IDD2
Supply Current
VREF
Voltage at pin 3
ViSET
Voltage at pin 2
RF INPUT (AMIN FMIN)
Test Condition
no output load, FM mode,
fin = 100MHz
no output load, AM mode,
fin = 1MHz
Standby mode
RiSET = 68KΩ
Min. Typ. Max. Unit
4.5
5.0
5.5
V
9.0 10.0
V
10
18
25
mA
3
5
10
mA
3
20
µA
0.5
2
3
mA
3.0
3.5
4.0
V
7.0
8.0
9.0
V
fiAM
fiFM
ViAM
Input Frequency AM
Input Frequency FM
Input Voltage AM
ViFM
Input Voltage FM
Zin
Input Impedance FM
Zin
Input Impedance AM
OSCILLATOR
Direct Mode, Vin = 50mV
Swallow Mode, V_in = 50mV
Sinus, Vin = 50mV
Direct Mode
0.6 to 16MHz (Sinus)
Swallow Mode
16 to 40MHz (Sinus)
70 to 120MHz (Sinus)
fin = 120MHz
fin = 12MHz
0.5
20 MHz
16
40 MHz
30
140 MHz
40
600 mVrms
40
600 mVrms
30
600 mVrms
200
Ω
1400
Ω
fOSC
Oscillator Frequency
tb u
Built Up Time
Cin
Internal Capacitance
COUT
Internal Capacitance
Zin
Input Impedance
Vin
Input Voltage
PLL CHARACTERISTICS
Euro-Quartz ITT
4
MHz
100
ms
9
pF
9
pF
4
15
KΩ
0.5
VDD1 Vpp
fstep
Step Width AM
fstep
Step Width FM
fref
Ref Frequency AM
fref
Ref Frequency FM
LOOP FILTER INPUT (LPIN1, LPIN2 = PIN 15,16)
1/2.5
KHz
12.5/25
KHz
1/2.5
KHz
12.5/25
KHz
-Iin
Input Leakage Current
Iin
Input Leakage Current
VIN = VSS; Phase Detector
Output = Tristate
VIN = VDD; Phase Detector
Output = Tristate
-1
-0.1
µA
0.1
+1
µA
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