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參數(shù)資料
| 型號： | AD7885 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | LC2MOS 16-Bit, High Speed Sampling ADCs |
| 中文描述： | LC2MOS 16位，高速采樣ADC |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 319K |
| 代理商： | AD7885 |
REV. C
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a
LC
2
MOS
16-Bit, Hgh Speed Sampling ADCs
AD7884/AD7885
Analog Devices, Inc., 1995
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
Fax: 617/326-8703
FUNCT IONAL BLOCK DIAGRAMS
±
5V F
±
5V S
±
3V F
±
3V S
16-BIT
ACCURATE
DAC
AD7884
TIMER
CONTROL
DGND
CS
RD
BUSY
DB15
V S
V F
V
REF–
AGNDS
AGNDF AV
DD
V
SS
GND
DB0
V
INV
CONVST
V
DD
AV
SS
R7
2k
R8
2k
9
9
9
16
16
V
REF–
5k
3k
3k
4k
4k
R1
R2
R3
R4
C1
SW1
R5
SW2
SW3
2k
R6
A1
A2
9-BIT
ADC
LATCH
+
ALU
O
U
T
P
U
T
D
R
I
V
E
R
S
±
5V F
±
5V S
16-BIT
ACCURATE
DAC
AD7885
TIMER
CONTROL
DGND
CS
RD
BUSY
DB7
V S
V F
V
REF–
AGNDS
AGNDF AV
DD
V
SS
GND
DB0
V
INV
CONVST
V
DD
AV
SS
R7
2k
R8
2k
9
9
9
16
8
V
REF–
5k
3k
2k
4k
4k
R1
R2
3k
R3
R4
C1
SW1
R5
SW2
SW3
R6
A1
A2
9-BIT
ADC
LATCH
+
ALU
O
U
T
P
U
T
D
R
I
V
E
R
S
IN
±
3V
HBEN
FEATURES
Monolithic Construction
Fast Conversion: 5.3
m
s
High Throughput: 166 kSPS
Low Power: 250 mW
APPLICATIONS
Automatic Test Equipment
Medical Instrumentation
Industrial Control
Data Acquisition Systems
Robotics
GE NE RAL DE SCRIPT ION
T he AD7884/AD7885 is a 16-bit monolithic analog-to-digital
converter with internal sample-and-hold and a conversion time
of 5.3
μ
s. T he maximum throughput rate is 166 kSPS. It uses a
two pass flash architecture to achieve this speed. T wo input
ranges are available:
±
5 V and
±
3 V. Conversion is initiated by
the
CONVST
signal. T he result can be read into a microproces-
sor using the
CS
and
RD
inputs on the device. T he AD7884 has
a 16-bit parallel reading structure while the AD7885 has a byte
reading structure. T he conversion result is in 2s complement
code.
T he AD7884/AD7885 has its own internal oscillator which con-
trols conversion. It runs from
±
5 V supplies and needs a V
REF+
of +3 V.
T he AD7884 is available in a 40-pin plastic DIP package and in
a 44-pin PLCC package.
T he AD7885 is available in a 28-pin plastic DIP package and
the AD7885A is available in a 44-pin PLCC package.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AD7885AAP | LC2MOS 16-Bit, High Speed Sampling ADCs |
| AD7885ABP | LC2MOS 16-Bit, High Speed Sampling ADCs |
| AD7885AN | LC2MOS 16-Bit, High Speed Sampling ADCs |
| AD7885BN | LC2MOS 16-Bit, High Speed Sampling ADCs |
| AD7886JP | LC2MOS 12-Bit, 750 kHz/1 MHz, Sampling ADC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD7885AAP | 制造商:Analog Devices 功能描述:16-Bit, High Speed Sampling ADCs |
| ad7885aap-reel | 制造商:Analog Devices 功能描述: |
| AD7885ABP | 制造商:Rochester Electronics LLC 功能描述:16-BIT,BYTE O/P SAMPL.A/D - Bulk 制造商:Analog Devices 功能描述: |
| AD7885ABP-REEL | 制造商:Analog Devices 功能描述: |
| AD7885AQ | 制造商:Analog Devices 功能描述: 制造商:Analog Devices 功能描述:IC 16-BIT ADC |
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