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參數(shù)資料
| 型號(hào)： | TDA4321XS |
| 廠商： | SIEMENS A G |
| 元件分類： | 接收器 |
| 英文描述： | FM, AUDIO DEMODULATOR, PDSO20 |
| 封裝： | TSSOP-20 |
| 文件頁數(shù)： | 2/16頁 |
| 文件大?。?/td> | 100K |
| 代理商： | TDA4321XS |
FS: 04/93
Page 10
Measuring condition:
VS= 10 V; fiIF=10.7 MHz; f= 75 kHz; fmod= 1 kHz;ViIF =10 mVrms; Tamb= +25°C
14
Attack current
I4*)
V3AC=1Vpp; Vm=5.0V
1
700
900
1100
A
15
Recovery current
I4*)
V3AC=0V; Vm=3.6V
1
-6
-9
-12
A
16
Start voltage
V5Def
V3AC=0V
1
4.4
4.7
V
17
Detector characteristic V5
V3 =100mVpp
1
V5Def-3.5V
V5Def-3V
V5Def-2.5V
V
18
Detector characteristic V5
V3 =350mVpp
1
500
mV
19
AF mute
aAF
V19=4.8V ;V18=4.8V
D4
0
dB
V19=0V
;V18=4.8V
D4
-2
2
dB
V19=0V
;V18=2.4V
D4
323844
dB
V19=4.8V ;V18≤1.0V
D4
80
dB
V19=0V
;V18≤ 1.0V
D4
80
dB
20
Voltage for mute off
V19
10.5
V
21
Voltage for mute on
V19
10
0.1
V
22
Search tuning stop
fSTS13
R8-14 = 56k
1
±25
kHz
window
23
Search tuning stop
fSToffs
R8-14 = 56k; THD = min
1
±10
kHz
offset
24
Search tuning stop
ViST1
V12=open
1
50
100
200
V
rms
threshold FM
ViST1
V12=2.4V
1
0.65
1.3
2.6
mVrms
*) Integrator currents are measured between the output pin (- Pole of the measurement equipment)
and a voltage source Vm (+ Pole)
SIEMENS AG
IC-SPECIFICATION
TDA 4321 XS
–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
AC / DC Characteristics
AC / DC characteristics involve the spread of values guaranteed within the specified supply voltage and ambient
temperature range. Typical characteristics are the median of the production.
#
Parameter
Symbol
Test
Min
Typ
Max
Units
Conditions
Circuit
–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
The reproduction, transmission or use of this document or its contents is not permitted without express written authority. Offenders will be liable for damages. All rights, including rights created
by patent grant or registration of a utility model or design, are reserved.
HL DOK
V66047-S1665-B100-G1
5.10.98
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