U4311B Datasheet, PDF (3/14 Pages) TEMIC Semiconductors – Low-current Superhet Remote Control Receiver

TELEFUNKEN Semiconductors
U4311B
Electrical Characteristics
V_S = 5 V, T_amb = 25°C, f_in = 10.7 MHz; FM part: f_mod = 1 kHz, f_dev = 22.5 kHz; AM part: f_mod = 1 kHz, m = 100%
unless otherwise specified
Parameters
Test Conditions / Pins Symbol Min.
Typ.
Max.
Unit
Characteristics
Supply voltage range
Quiescent supply current
Active supply current
Bandgap
Pin 15
Pin 15
Pin 15
V_S
3
12
V
I_q
1
1.3
mA
I_act
2.8
3.6
mA
Regulated voltage
Output current
Source resistance
External capacitor
Power supply rejection
f = 50 Hz
Pin 13
Pin 13
Pin 13
Pin 13
Pin 13
V_ref
2.3
2.4
2.5
V
I_ref
5
mA
R_ref
2.3
5
W
C_ref
10
mF
psrr
60
dB
ratio
IF amplifier
Input resistance
Pin 9
R_in
180
330
520
W
Input capacitance
Typical internal 3 dB
frequency
–3 dB limiting point
Pin 9
IF level 70 dBmV
C_in
f_3dB
8
Pins 9 and 14
Pin 9
V_FM3dB
5
pF
12
MHz
30
dBmV
Recovered data voltage
FM detector output resis-
Pin 14
Pin 14
V_FMout
50
R_FMout
130
230
mV
50
kW
tance
AM rejection ratio
m = 30% Pins 9 and 14 AM_rr
25
Maximum AM input
Pin 9
V_AMmax
90
dB
dBmV
voltage
AM quiescent current
Maximum AM current
Pin 8
Pin 8
I_AMout
10
22
37
mA
I_AMoutmax
100
mA
Operational amplifier
Gain bandwidth product
Excess phase
Pins 1, 2 and 16
f_t
Pins 1, 2 and 16
d
3
4
6.5
MHz
80
degree
Open loop gain
Output voltage range
Common mode input
voltage
Pins 1, 2 and 16
g₀
50
70
95
dB
Pin 2
∆V_out
1.55
V
Pins 1 and 16 V_in
0.7
1.7
V
Input offset voltage
Maximum output current
Common mode rejection
ratio
Pins 1 and 16 V_os
–2.5
0
+2.5
mV
Pin 2
I_out
5
mA
Pin 1 and 16 cmrr
65
85
dB
Total harmonic distortion V_in < 300 mV, f = 33 kHz,
thd
unity gain circuit Pin 2
1
3
%
Power supply rejection
f = 50 Hz Pin 2
psrr
65
85
dB
ratio
Rev. A1: 23.06.1995
3 (14)