English
Language : 

TDA4321XS Datasheet, PDF (9/16 Pages) List of Unclassifed Manufacturers – FM-IF IC with counter output, analog STS, field strength indicator, noise detector and mute setting
FS: 04/93
Page 9
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
Conditions
Test
Min
Typ
Max Units
Circuit
Measuring condition:
VS= 10 V; fiIF=10.7 MHz; ∆f= 75 kHz; fmod= 1 kHz;ViIF =10 mVrms; Tamb= +25°C
1
Current consumption I9
2 Stabilized voltage
V8
3
Field strength output V7
-dynamic range
-nonlinearity
-temperature drift
-Load capacitance
-Load resistance
V7
V7
V7
V19=4.8V;V18=4V
V19=4.8V;V18=4V
V19=4.8V;V18=4V
V1rms=200mV
V1rms=1mV
V1rms=0mV
1
33
41 mA
1
4.5
4.8
5.1 V
D1 74
80
dB
D2
±1
dB
D3
±3 dB
50 pF
1
kΩ
1
5
5.4
5.8 V
1
2.3
2.7
3.1 V
1
0
1.1 V
4 Input voltage for
limiter threshold
V1
V17=- 3dB
1
20
30
µVrms
5 AF-output voltage
V17
V19=4.8V;V18=4V
1
460
550
640 mVrms
6 AF-output voltage
V17
V19=4.8V;V18=4V
Lab
80
R10-11=2k;∆f= 22,5 kHz
mVrms
7 Total harmonic
THD17 V19=4.8V;V18=4V
1
distoriton
0.8 %
8 AM-suppression
aAM
m=80 %
1
60
dB
m=30 %
1
70
dB
9
Signal-to-noise ratio aS/N
10 Counter-output voltage V15
V19=4.8V;V18=4V
CL=5pF;Ri15=1.5k
1
76
84
1
50
80
dB
mVrms
–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
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