參數(shù)資料
型號: ZSB1010
廠商: ZiLOG, Inc.
英文描述: low power mononithic CMOS Applifier(低功耗單片PIR放大器)
中文描述: 低功耗mononithic的CMOS Applifier(低功耗單片紅外放大器)
文件頁數(shù): 1/4頁
文件大?。?/td> 87K
代理商: ZSB1010
ZiLOG W
T
ELEPHONE
ORLDWIDE
: 408.558.8500 F
H
EADQUARTERS
910 E. H
: 408.558.8300 I
AMILTON
A
VENUE
C
HTTP
AMPBELL
://
WWW
, CA 95008
ZILOG
.
COM
AX
NTERNET
:
.
1
P
RODUCT
B
LOCK
D
IAGRAM
F
EATURES
Highly-Integrated Mixed-Signal Solution
User-Configurable High-Gain Amplifier
Built-In Adjustable Digital Filter
Auto-Zero Feedback
Low-Power CMOS
Internal Bandgap
G
ENERAL
D
ESCRIPTION
The ZSBI010 Passive InfraRed (PIR) Amplifier is
a low-power monolithic eight-pin CMOS mixed-
signal integrated circuit designed as a front-end
gain component for PIR motion sensors.
The PIR amplifier is composed of three major
blocks:
A High-Gain Operational Amplifier (120-dB
Open Loop gain)
Auto-Zero Feedback Loop consisting of a First
Order Sigma-Delta Modulator, Digital Integra-
tor, 1-Bit D/A Converter and Output Buffer
RC Oscillator
Gain and bandwidth are user-configurable with
external components.
The ZSBI010 Passive InfraRed Amplifier device is
used for motion detection in security systems and
control (both Commercial and Home) applications.
B
LOCK
D
IAGRAM
High-Gain Amplifier
Adjustable Digital Filter/ADC, DAC,
and Output Buffer
RC OSC
High Gain
Amplifier
Buffer
V
GND
Oscillator
Out
DC Bias
Cancellation
DD
C
DAC
V +
V –
Power
Adjustable Digital
Filter/ADC
First Order Sigma-Delta Modulator
Digital Integrator
1-Bit DAC
RC Oscillator
ZSBI010
P
ASSIVE
I
NFRA
R
ED
A
MPLIFIER
PB001800-SEC0999
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