TEA6821T Philips Semiconductors, TEA6821T Datasheet - Page 13

• Manufacturer Part Number: TEA6821T
• Description: ICE car radio
• Manufacturer: Philips Semiconductors

Philips Semiconductors
September 1993
V
R
C
R
C
FM IF2 limiter
V
C
R
C
V
FM demodulator
f
otherwise specified.
V
R
B
V
R
B
V
V
S
V
V
mod
29-4
1-2
1-2
47-4
43-4
37-35
37-35
43FM
47FM
ICE car radio
27-24
27-4
29-4
29-4
37-4
1-2
1-2
47out
43out
SYMBOL
/V
N/N
= 1kHz; deviation = 22.5 kHz; R
, C
/V
/V
37-35
24-4
43AM
47AM
maximum output voltage
(RMS value)
input resistance
input capacitance
output resistance
output capacitance
limiter gain
input capacitance
output resistance
output capacitance
limiter output voltage
(peak-to-peak value)
MPX output (RMS value)
output resistance
AF bandwidth
MPX output for RDS (RMS value)
output resistance
AF bandwidth
start of limiting (RMS value)
input voltage for
signal-plus-noise-to-noise ratio
(RMS value)
signal-plus-noise-to-noise ratio
suppression
suppression
PARAMETER
g
= 50 ; V
37-35
= 10 mV; with de-emphasis = 50 S; coil quality = 15 unless
see Fig.10
see Fig.11 for pin 47
(MPXOUT) and Fig.12 for
pin 43 (RDS/AMSTOP)
S+N/N = 26 dB
S+N/N = 46 dB
f
m
V
V
modAM
AF
f = 22.5 kHz;
37-35
37-35
AM
13
= 3 dB
= 30%;
CONDITIONS
= 3 mV to 300 mV
= 1 mV to 300 mV
= 1 kHz;
220
300
300
10
500
160
200
160
200
66
55
55
MIN.
40
270
330
330
74
15
700
200
200
40
100
72
60
60
Preliminary specification
TYP.
TEA6821T
360
5
360
5
5
1.0
20
240
500
240
500
60
55
140
MAX.
mV
pF
pF
dB
pF
k
pF
mV
mV
kHz
mV
kHz
dB
dB
dB
UNIT
V
V
V