u4467b ATMEL Corporation, u4467b Datasheet - Page 4

• Manufacturer Part Number: u4467b
• Description: Sound Demodulator
• Manufacturer: ATMEL Corporation

Electrical Characteristics (continued)
V
Notes
1.
2.
Test Circuit
U4467B
AF output – AM
DC output voltage
Output resistance
AF output signal
AF bandwidth
Total harmonic distortion
Weighted signal-to-noise
ratio (CCIR 468)
Ripple rejection
Allowable AC output peak
current
Allowable DC output
current
4 (7)
s
= + 5 V, T
This parameter is given as an application information and is not tested during production.
Sound carrier SC = 32.4 MHz, modulated with f
Parameters
amb
= +25 C; reference point Pin 13, unless otherwise specified
IF
Standard L
32.4 MHz
Test Conditions / Pins
see note 1
m = 54%
–3 dB
m = 54%
f
Reference: m = 54%;
f
See note 1;
tested from Pin 14 to Pin 6
mod
mod
(Pin 6)
= 1 kHz, 12.5 kHz
= 1 kHz
Preliminary Information
NC
16
1
NC
15
2
22 F
4.7 F 4.7 F
Figure 3.
mod
14
3
V
+5 V
= 1 kHz, m = 54%: v
S
Symbol
U4467B
THD
v
13
V
R
see note 2
S/N
I
I
4
RR
oAF
AC
DC
B
DC
out
NC
NC
12
5
Min.
28
NC
11
6
in
AF (AM)
= 10 mV
S1
NC
Typ.
10
500
2.2
tbd
7
56
1
Mute
NC
NC
9
8
13830
"
Max.
Rev. A1, 23-Apr-99
150
–1
2
0.3
mV
Unit
kHz
mA
mA
dB
dB
%
V
W
rms