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TDA7326 数据表(PDF) 3 Page - STMicroelectronics

部件名 TDA7326
功能描述  AM-FM RADIO FREQUENCY SYNTHESIZER
PDF  16 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7326 数据表(HTML) 3 Page - STMicroelectronics

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



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