U2510B
Electrical Characteristics (continued)
V = 6 V, T
= 25°C, test circuit (figure 16), unless otherwise specified
S
amb
Parameters
Test Conditions / Pins
m = 30%
Symbol
AM
Min.
Typ.
25
Max.
Unit
dB
AM rejection ratio
RF sensitivity
RR
(S+N)/N = 26 dB
(S+N)/N = 46 dB
V
9
22
dB V
dB V
i2
V
i2
Limiting threshold (-3 dB)
Mute voltage
V
i2
3
dB V
Test point: Mute
V = 0
V = 60 dB V
i2
V
mute
V
mute
1.8
0.4
V
V
i2
Mute depth
Referred to V at V = 0
0 i2
S = A
S = C
6
MD
MD
26
20
dB
dB
6
AFC holding range
f
> f , S = A, S = A
OSC in 3 6
V
10 dB V
FHR
FHR
FHR
no AFC
180
i2
i2
V = 20 dB V
V = 80 dB V
i2
kHz
kHz
220
LED current
I
5.5
mA
mV
LED
Oscillator voltage
eZ
= 2.5 k
Pin 7
V
180
25
load
OSC
AM section V = 60 dB V, f = 1.6 MHz, f = 1 kHz, m = 30%, f = 455 kHz,
AF measuring range: 300 Hz to 20 kHz, (S = AM, S = B, test point: V )
i1
i1
m
iIF
2
1
D
AM front end voltage gain
GV = 20 log (V /V )
GV
AM
dB
AM
iIF i1
V = 20 dB V, S = A
i1
1
Recovered audio voltage
Detector output resistance
Detector output distortion
V
70
mV
k
D af1
Pin 23
R
7.5
Do
V = 60 dB V
V = 105 dB V
i1
THD
THD
1
3
%
%
i1
RF sensitivity
(S+N)/N= 10 dB
(S+N)/N= 26 dB
(S+N)/N= 46 dB
V
0
16
35
dB V
dB V
dB V
i1
V
i1
V
i1
AGC figure of merit referred
V = 105 dB V, voltage
i1
to V
drop (V ) = –10 dB
FOM
100
3.1
5.5
160
dB
k
D af
D af
IF input resistance
LED current
Pin 16
Pin 5
Z
i
I
mA
mV
LED
Oscillator voltage
V
OSC
TEMIC Semiconductor
5 (15)
Rev. A1, 06-Apr-98
TEMIC [ TEMIC SEMICONDUCTORS ]
