U4311B-FS Datasheet, PDF (3/13 Pages) ATMEL Corporation – Low-Current Superhet Remote Control Receiver

U4311B-FS
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 19
Pin 19
Pin 19
V_S
3
12
V
I_q
1
1.3
mA
I_act
2.8
3.6
mA
Regulated voltage
Pin 17
V_Ref
2.3
2.4
2.5
V
Output current
Source resistance
External capacitor
Power-supply rejection
ratio
f = 50 Hz
Pin 17
Pin 17
Pin 17
Pin 17
I_Ref
5
mA
R_Ref
2.3
5
W
C_Ref
10
mF
psrr
60
dB
IF amplifier
Input resistance
Input capacitance
Typical internal 3 dB
frequency
Pin 12
R_in
180
330
520
W
Pin 12
C_in
5
pF
IF level 70 dBmV
f_3dB
8
Pins 12 and 18
12
MHz
–3 dB limiting point
Recovered data voltage
FM detector output
resistance
Pin 12
Pin 18
Pin 18
V_FM3dB
V_FMout
50
R_FMout
30
dBmV
130
230
mV
50
kW
AM rejection ratio
m = 30% Pins 12 and 18 AM_rr
25
dB
Maximum AM input
voltage
Pin 12
V_AMmax
90
dBmV
AM quiescent current
Pin 11
I_AMout
10
22
37
mA
Maximum AM current
Pin 11
I_AMoutmax
100
mA
Operational amplifier
Gain-bandwidth product
Excess phase
Pins 1, 2 and 20 f_t
Pins 1, 2 and 20 d
3
4
6.5
MHz
80
degree
Open loop gain
Output voltage range
Pins 1, 2 and 20 g₀
50
70
95
dB
Pin 2
∆V_out
1.55
V
Common mode input
voltage
Pins 1 and 20 V_in
0.7
1.7
V
Input offset voltage
Pins 1 and 20 V_os
–2.5
0
+2.5
mV
Maximum output current
Common-mode rejection
ratio
Pin 2
I_out
Pin 1 and 20 cmrr
65
85
5
mA
dB
Total harmonic distortion V_in < 300 mV, f = 33 kHz,
thd
unity gain circuit Pin 2
1
3
%
Rev. A3, 28-Sep-00
3 (13)