CXA1511L/M
Preamplifier for Remote Control Signal Reception
Description
The CXA1511L/M is a bipolar IC used for
preamplifiers that receive signals in infrared remote
control systems. These ICs consist of a first-stage
amplifier, limiter amplifier, band-pass filter, band
elimination filter, signal waveform detection circuit
and waveform shaping circuit.
Features
鈥?/div>
Low power consumption (V
CC
= 5V, 9mW typ.)
鈥?/div>
Low supply voltage (V
CC
= 5V)
鈥?/div>
Filters (center frequency can be varied through
external resistor: fo = 30kHz to 60kHz, 40kHz typ.)
鈥?/div>
Elimination of inductors prevents magnetic field
inductance interference.
鈥?/div>
Optical reception diode can be coupled directly.
鈥?/div>
Collector output (pull-up resistor, TTL and CMOS
can be connected directly)
Applications
TVs, VCRs, audio equipment
Structure
Bipolar silicon monolithic IC
Block Diagram and Pin Configuration
Absolute Maximum Ratings
7
鈥?/div>
Supply voltage
V
CC
鈥?/div>
Operating temperature Topr 鈥?0 to +75
鈥?/div>
Storage temperature
Tstg 鈥?5 to +150
600
鈥?/div>
Allowable power dissipation
P
D
鈥?/div>
Allowable power dissipation
P
D
Operating Conditions
鈥?/div>
Supply voltage
V
擄C
擄C
8 pin SIP (Plastic)
8 pin SOP (Plastic)
mW (SIP)
300 mW (SOP)
4.7 to 5.3
V
Head
Amp
IN
1
ABLC
Photo
Diode
Limiter
Amp
BPF Delector &
Hysteresis
BEF Comparator Integralor Comparator
2
C1
470, 680
0.01碌
3 4 5 6
C2 GND fo N.C.
7 8
OUT V
CC
0.01碌
200k
(fo = 40kHz)
V
CC
= 5V
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
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CXA1511L相關型號PDF文件下載
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