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U4311B-FS Datasheet(PDF) 4 Page - ATMEL Corporation

Part # U4311B-FS
Description  Low-Current Superhet Remote Control Receiver
Download  13 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

U4311B-FS Datasheet(HTML) 4 Page - ATMEL Corporation

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U4311B-FS
Rev. A3, 28-Sep-00
4 (13)
Electrical Characteristics (continued)
VS = 5 V, Tamb = 25°C, fin = 10.7 MHz; FM part: fmod = 1 kHz, fdev = 22.5 kHz; AM part: fmod = 1 kHz, m = 100%
unless otherwise specified
Parameters
Test Conditions / Pins
Symbol
Min.
Typ.
Max.
Unit
Power-supply rejection
ratio
f = 50 Hz
Pin 2
psrr
65
85
dB
Clamping comparator
Typical common-mode
input voltage range
Pin 2
Vcmvr
0.8
1.6
V
Maximum distortion
voltage
Vsignal = 100 mV,
R+ = R– = 50 k
W,
C+ = C– = 200 nF,
fdisto = 50 Hz,
fsignal = 1 kHz
Pin 2
Vdmax
200
mV
Output voltage
V2 > (V7 + V9) /2
(10-k
W load to VRef)
Pin 6
Vcout
VRef
V
Output voltage
V2 < (V7 + V9 ) /2
(10-k
W load to VRef)
Pin 6
Vcout
0
150
250
mV
Wake-up circuit
Minimum wake-up level
Pin 12
Vin
40
dB
mV 1)
Internal charging resistor
Pin 3
Rint
1.5
k
W
Threshold voltage
Pin 3
Vth
1.6
V
Output switch current
Pin 13
ISW
180
250
550
mA
Output switch voltage
Pin 13
VSW
5.5
V 2)
External wake-up resistor
Pins 3 and 17
RWU
22
k
W
External wake-up capacitor
Pins 3 and 17
CWU
10
mF
Hold time (
± 30%)
th
 1.5
RWU
CWU
s 3)
Delay time (
± 30%)
td
 CWU
0.75 k
W
s 3)
1)
Measured at Pin 9, (12) referred to 330
W
2)
Protected by a Z-diode, see figure 13
3)
Valid for 0.1
mF ≤ CWU ≤ 10 mF and 22 kW ≤ RWU ≤ 680 kW


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