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U4311B PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 U4311B
기능 Low-Current Superhet Remote Control Receiver
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U4311B 데이터시트, 핀배열, 회로
U4311B
Low-Current Superhet Remote Control Receiver
Description
The U4311B is a monolithic integrated circuit in bipolar
technology for low-current UHF remote control super-
heterodyne receivers in amplitude- or frequency-
modulated mode. Typical applications are keyless car
lock-, alarm- or tele-control remote indication systems.
Especially for automotive applications, it supports a
superhet design with about 1 mA total current
consumption as required by the car manufacturers.
Features
D Usable for amplitude- and frequency-modulated
transmission systems
D Extremely low quiescent current (approximately
1 mA in standby mode due to wake-up concept)
D Wide power supply voltage range 3 to 13 V
D Sensitive IF amplifier for 10.7-MHz operating
frequency
D Logarithmic AM demodulator
D FM demodulator
D Monoflop exit to wake up a microcontroller
D High-performance operational amplifier to realize a
data recovering filter
D Non-inverting clamping comparator with amplitude-
depending hysteresis for data regeneration
Block Diagram
Wake-up out
VRef = 2.4V 13
VS
15
Bandgap
11
Internal
VRef = 2.4 V
10 3 7 6
Monoflop
RF
Level
Wake up
Non – invert.
clamping
comparator
5 Data out
10.7 MHz
9
4
IF
amplifier
Quadrature
detector
Operational
amplifier
2
8 12
log AM out
14 16
FM out
+
1
95 9968
10.7 MHz
Data
filter
Ordering Information
Extended Type Number
U4311B-M
U4311B-MFL
Figure 1. Block diagram
Package
DIP16
SO16L
Remarks
Rev. A3, 28-Sep-00
1 (15)
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U4311B pdf, 반도체, 판매, 대치품
U4311B
Parameters
Test Conditions / Pins Symbol Min. Typ. Max. Unit
Common-mode rejection
ratio
Pin 1 and 16 cmrr
65
85
dB
Total harmonic distortion Vin < 300 mV, f = 33 kHz,
unity gain circuit Pin 2
thd
1 3%
4 (15)
Rev. A3, 28-Sep-00
Free Datasheet http://www.datasheet-pdf.com/

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U4311B 전자부품, 판매, 대치품
Internal Pin Circuitry
95 9970
1 16
Figure 4. Pin 1 OPin+
VRef
13
2
95 9971
Figure 5. Pin 2 OPout
3 13
VRef
95 9972
Figure 6. Pin 3 RCwake
Rev. A3, 28-Sep-00
U4311B
4
95 9973
Figure 7. Pin 4 GND2
5
95 9974
Figure 8. Pin 5 Compout
13
VRef
95 9975
2
6
Figure 9. Pin 6 RC
7 (15)
Free Datasheet http://www.datasheet-pdf.com/

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전력 반도체 판매 ( IGBT, TR 모듈, SCR, 다이오드 모듈 )

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링크공유

링크 :

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Low-Current Superhet Remote Control Receiver

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