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參數資料
| 型號： | AD7841AS |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | DAC |
| 英文描述： | Octal 14-Bit, Parallel Input, Voltage-Output DAC |
| 中文描述： | PARALLEL, WORD INPUT LOADING, 31 us SETTLING TIME, 14-BIT DAC, PQFP44 |
| 封裝： | PLASTIC, MQFP-44 |
| 文件頁數： | 1/12頁 |
| 文件大小： | 151K |
| 代理商： | AD7841AS |
REV. 0
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
AD7841
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
Analog Devices, Inc., 1999
Octal 14-Bit, Parallel Input,
Voltage-Output DAC
FUNCTIONAL BLOCK DIAGRAM
DAC
REG
A
INPUT
REG
A
DAC E
AD7841
DB13
DB0
WR
CS
A0
A1
A2
LDAC
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
DAC
REG
B
INPUT
REG
B
DAC
REG
C
INPUT
REG
C
DAC
REG
D
INPUT
REG
D
DAC
REG
E
INPUT
REG
E
DAC
REG
F
INPUT
REG
F
DAC
REG
G
INPUT
REG
G
DAC
REG
H
INPUT
REG
H
14
DAC D
DAC C
DAC F
DAC B
DAC A
DAC G
DAC H
V
CC
V
SS
V
DD
V
REF
(+)
V
REF
(–)
DUTGND
CD
DUTGND
AB
V
OUT
A
V
OUT
B
V
OUT
C
V
OUT
D
V
OUT
E
V
OUT
F
V
OUT
G
V
OUT
H
DUTGND
GH
DUTGND
EF
V
REF
(–)
CDEF
V
REF
(+)
CDEF
V
REF
(–)
GH
V
REF
(+)
GH
GND
CLR
A
D
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
FEATURES
Eight 14-Bit DACs in One Package
Voltage Outputs
Offset Adjust for Each DAC Pair
Reference Range of
6
5 V
Maximum Output Voltage Range of
6
10 V
6
15 V
6
10% Operation
Clear Function to User-Defined Voltage
44-Lead MQFP Package
APPLICATIONS
Automatic Test Equipment
Process Control
General Purpose Instrumentation
GENERAL DESCRIPTION
The AD7841 contains eight 14-bit DACs on one monolithic
chip. It has output voltages with a full-scale range of
±
10 V
from reference voltages of
±
5 V.
The AD7841 accepts 14-bit parallel loaded data from the exter-
nal bus into one of the input registers under the control of the
WR
,
CS
and DAC channel address pins, A0–A2.
The DAC outputs are updated on reception of new data into
the DAC registers. All the outputs may be updated simulta-
neously by taking the
LDAC
input low.
Each DAC output is buffered with a gain-of-two amplifier into
which an external DAC offset voltage can be inserted via the
DUTGNDx pins.
The AD7841 is available in a 44-lead MQFP package.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| AD7841AS-REEL | 制造商:Analog Devices 功能描述:DAC 8-CH R-2R 14-bit 44-Pin MQFP T/R |
| AD7841ASZ | 功能描述:IC DAC 14BIT OCTAL V-OUT 44MQFP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 數模轉換器 系列:- 標準包裝:1 系列:- 設置時間:4.5µs 位數:12 數據接口:串行，SPI? 轉換器數目:1 電壓電源:單電源 功率耗散（最大）:- 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:8-SOICN 包裝:剪切帶 (CT) 輸出數目和類型:1 電壓，單極；1 電壓，雙極 采樣率（每秒）:* 其它名稱:MCP4921T-E/SNCTMCP4921T-E/SNRCTMCP4921T-E/SNRCT-ND |
| AD7841ASZ-REEL | 功能描述:IC DAC 14BIT OCTAL VOUT 44-MQFP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 數模轉換器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1,000 系列:- 設置時間:1µs 位數:8 數據接口:串行 轉換器數目:8 電壓電源:雙 ± 功率耗散（最大）:941mW 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:24-SOIC（0.295"，7.50mm 寬） 供應商設備封裝:24-SOIC W 包裝:帶卷 (TR) 輸出數目和類型:8 電壓，單極 采樣率（每秒）:* |
| AD7841BS | 制造商:Analog Devices 功能描述:DAC 8-CH R-2R 14-bit 44-Pin MQFP 制造商:Rochester Electronics LLC 功能描述:OCTAL 14 BIT HIGH VOLTAGE IC - Bulk 制造商:Analog Devices 功能描述:Digital-Analog Converter IC Interface Ty |
| AD7841BS-REEL | 制造商:Analog Devices 功能描述:DAC 8-CH R-2R 14-bit 44-Pin MQFP T/R 制造商:Analog Devices 功能描述:DAC 8CH R-2R 14BIT 44MQFP - Tape and Reel |
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