u2860b-b ATMEL Corporation, u2860b-b Datasheet - Page 5

• Manufacturer Part Number: u2860b-b
• Description: Double Demodulator Stereo
• Manufacturer: ATMEL Corporation

Electrical Characteristics (continued)
V
Notes
Rev. A2, 08-Feb-01
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
S
= 5 V, T
Parameters
amb
1.)
= 25_C, reference point Pin 12, unless otherwise specified
- mute on
This parameter is given as an application information and not measured during final testing.
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
Test Conditions / Pins
= 10 mV,
= 10 mV,
= 10 mV,
= 1 kHz
= 1 kHz
= 1 kHz,
< 200 mV, f = 70 Hz
ref
at Pin 10
Pin 10
Pin 3
Pin 4
Symbol
V
V
THD
a
I
V
I
R
I
v
i
a
RR
mute
f
sque
v
mute
f
DC
AC
sque
AM
S
hold
DC
AF
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/kW
MHz
MHz
Unit
mA
mA
mV
mA
mA
dB
dB
dB
dB
5 (11)
V
W
%
V
V
V
V