U2860BB TEMIC Semiconductors, U2860BB Datasheet - Page 5

• Manufacturer Part Number: U2860BB
• Description: Dual-Channel FM Sound Demodulator for TV Systems
• Manufacturer: TEMIC Semiconductors

TELEFUNKEN Semiconductors
Rev. A1, 17-Jun-96
Notes
1.)
Parameters
FM demodulators, internal VCO’s
Steepness of free-running
frequency adjustment
Capture range of PLL’s
Holding range of PLL’s
Audio outputs, AF1 (Pin 7) and AF2 (Pin 6)
DC output voltage
DC output current
Output resistance
AC output peak current
AF output voltage,
RMS value
Difference between the
output signals
Total harmonic distortion
AM suppression
Crosstalk attenuation
between the AF outputs
Supply voltage ripple
rejection
Mute switch
Control voltage - muteoff
Control current
Squelch function
Control voltage for
automatic mute-2nd carrier
“off”
automatic mute-2nd carrier
“on”
Control current
This parameter is given as an application information and not measured during final testing.
- mute on
Test Conditions / Pins
Resistor R
See note 1
v
f = 5.5 MHz,
FM-dev. = 27 kHz,
f
v
f = 5.5 MHz,
FM-dev. = 27 kHz,
f
v
f = 5.5 MHz,
f
reference signal:
FM-dev. = 50 kHz
test signal: m = 30%
f = 50 Hz to 12.5 kHz
V
AF outputs active
AF outputs not active
mod
mod
mod
in
in
in
RR
= 10 mV,
= 10 mV,
= 10 mV,
= 1 kHz
= 1 kHz
= 1 kHz,
< 200 mV, f = 70 Hz
Preliminary Information
ref
at Pin 10
Pin 10
Pin 3
Pin 4
Symbol
V
V
THD
a
I
V
I
R
v
I
i
a
RR
mute
f
sque
v
mute
f
DC
AC
sque
AM
S
AF
hold
DC
out
cap
att
AF
Min.
2.0
2.0
46
1.4
2.0
0
0
Typ.
200
150
500
150
150
2.2
1.0
0.1
66
70
24
1.9
3.0
U2860B-B
Max.
–1.3
0.5
0.8
0.8
V
V
1.0
1
S
S
kHz/k
MHz
MHz
Unit
mA
mA
mV
m
m
dB
dB
dB
dB
V
W
%
V
V
V
V
5 (11)
A
A
W