tda3845t NXP Semiconductors, tda3845t Datasheet - Page 5

• Manufacturer Part Number: tda3845t
• Description: Quasi Split-sound Circuit And Am Demodulator
• Manufacturer: NXP Semiconductors

Philips Semiconductors
CHARACTERISTICS
V
January 1993
Supply
V
V
I
IF amplifier
R
C
V
V
G
B
V
Intercarrier mode (FM mode; standard B/G) notes 3, 4 and 5
Reference amplifier
V
R
V
Intercarrier mixer and output stage
V
B
R
V
I
I
P1
tot
12(peak)
12
SYMBOL
G
P1
P2
1-16
1-16
1-16(RMS)
1-16(RMS)
IF
1-16
8-9(p-p)
8-9
8-9
12(RMS)
12
12
12
Quasi split-sound circuit and AM
demodulator
v3-16
= 5 V (note 11); T
supply voltage
total supply current
input resistance
input capacitance
minimum IF input voltage
(RMS value)
maximum IF input voltage
(RMS value)
gain control range
gain control voltage range
IF bandwidth
DC potential
picture carrier amplitude
(peak-to-peak value)
operating resistance
DC potential
output signal (RMS value)
intercarrier bandwidth
residual video AM on intercarrier
signal
output resistance
DC potential
permissible AC output current
(peak value)
permissible DC output current
pin 14
pin 11 (not for TDA3845T)
at 5.5 MHz
at 5.74 MHz
at 1 dB
at 3 dB
amb
PARAMETER
= 25 C; all measurements are referenced to ground (pin 13); unless otherwise specified.
note 1
note 2
note 6
note 7
3 dB
CONDITIONS
5
4.5
10.8
70
60
1.5
50
70
32
MIN.
TDA3845; TDA3845T
5.0
12.0
40
2
2.5
70
100
63
70
1.7
270
4
3.9
100
45
8
9
3
30
1.8
TYP.
Objective specification
8.8
13.2
48
100
3.0
10
0.7
2
MAX.
V
V
mA
k
pF
mV
dB
V
MHz
V
mV
k
V
mV
mV
MHz
MHz
%
V
mA
mA
UNIT
V