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參數資料
| 型號： | AD7396AN |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | DAC |
| 英文描述： | 3 V, Parallel Input Dual 12-Bit /10-Bit DACs |
| 中文描述： | PARALLEL, WORD INPUT LOADING, 70 us SETTLING TIME, 12-BIT DAC, PDIP24 |
| 封裝： | PLASTIC, DIP-24 |
| 文件頁數： | 1/12頁 |
| 文件大小： | 226K |
| 代理商： | AD7396AN |
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
AD7396/AD7397
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., 1998
3 V, Parallel Input
Dual 12-Bit/10-Bit DACs
FUNCTIONAL BLOCK DIAGRAM
DACA
REGISTER
12
INPUTA
REGISTER
DACB
REGISTER
12
INPUTB
REGISTER
AD7396
12-BIT
DACA
12-BIT
DACB
1
DATA
LDA
CS
A/
B
DGND
RS
SHDN
V
DD
V
OUTA
V
REF
V
OUTB
AGND
LDB
12
FEATURES
Micropower: 100
m
A/DAC
0.1
m
A Typical Power Shutdown
Single Supply +2.7 V to +5.5 V Operation
Compact 1.1 mm Height TSSOP 24-Lead Package
AD7396: 12-Bit Resolution
AD7397: 10-Bit Resolution
0.9 LSB Differential Nonlinearity Error
APPLICATIONS
Automotive Output Span Voltage
Portable Communications
Digitally Controlled Calibration
PC Peripherals
GENERAL DESCRIPTION
The AD7396/AD7397 series of dual, 12-bit and 10-bit voltage-
output digital-to-analog converters are designed to operate from
a single +3 V supply. Built using a CBCMOS process, these
monolithic DACs offer the user low cost and ease of use in
single supply +3 V systems. Operation is guaranteed over the
supply voltage range of +2.7 V to +5.5 V, making this device
ideal for battery operated applications.
A 12-bit wide data latch loads with a 45 ns write time allowing
interface to fast processors without wait states. The double
buffered input structure allows the user to load the input
registers one at a time, then a single load strobe tied to both
LDA
+
LDB
inputs will simultaneously update both DAC out-
puts.
LDA
and
LDB
can also be independently activated to
immediately update their respective DAC registers. An address
input (A/
B
) decodes DACA or DACB when the chip select
CS
input is strobed. Additionally, an asynchronous
RS
input sets
the output to zero-scale at power on or upon user demand.
Power shutdown to submicroamp levels is directly controlled by
the active low
SHDN
pin. While in the power shutdown state
register data can still be changed even though the output buffer
is in an open circuit state. Upon return to the normal operating
state the latest data loaded in the DAC register will establish the
output voltage.
Both parts are offered in the same pinout, allowing users to
select the amount of resolution appropriate for their applications
without circuit card changes.
The AD7396/AD7397 are specified for operation over the ex-
tended industrial (–40
°
C to +85
°
C) temperature range. The
AD7397AR is specified for the –40
°
C to +125
°
C automotive
temperature range. AD7396/AD7397s are available in plastic
DIP, and 24-lead SOIC packages. The AD7397ARU is avail-
able for ultracompact applications in a thin 1.1 mm height
TSSOP 24-lead package.
CODE – Decimal
1.0
0
D
0.8
0.6
0.4
0.2
0.0
–0.2
–0.4
–0.6
–0.8
–1.0
512
1024
1536
2048
2560
3072
3584
4096
V
DD
= +3V
V
REF
= +2.5V
T
A
= +25
8
C, +85
8
C, –55
8
C
SUPERIMPOSED
Figure 1. DNL vs. Digital Code at Temperature
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相關代理商/技術參數 |
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|---|---|
| AD7396AR | 功能描述:IC DAC 12BIT PARALLEL 3V 24-SOIC RoHS:否 類別:集成電路 (IC) >> 數據采集 - 數模轉換器 系列:- 標準包裝:47 系列:- 設置時間:2µs 位數:14 數據接口:并聯 轉換器數目:1 電壓電源:單電源 功率耗散（最大）:55µW 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:28-SSOP（0.209"，5.30mm 寬） 供應商設備封裝:28-SSOP 包裝:管件 輸出數目和類型:1 電流，單極；1 電流，雙極 采樣率（每秒）:* |
| AD7396AR-REEL | 功能描述:IC DAC 12BIT PARALLEL 3V 24-SOIC RoHS:否 類別:集成電路 (IC) >> 數據采集 - 數模轉換器 系列:- 標準包裝:47 系列:- 設置時間:2µs 位數:14 數據接口:并聯 轉換器數目:1 電壓電源:單電源 功率耗散（最大）:55µW 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:28-SSOP（0.209"，5.30mm 寬） 供應商設備封裝:28-SSOP 包裝:管件 輸出數目和類型:1 電流，單極；1 電流，雙極 采樣率（每秒）:* |
| AD7396ARZ | 功能描述:IC DAC 12BIT PARALLEL 3V 24-SOIC 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:50 系列:- 設置時間:4µs 位數:12 數據接口:串行 轉換器數目:2 電壓電源:單電源 功率耗散（最大）:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬） 供應商設備封裝:8-uMAX 包裝:管件 輸出數目和類型:2 電壓，單極 采樣率（每秒）:* 產品目錄頁面:1398 (CN2011-ZH PDF) |
| AD7396ARZ-REEL | 功能描述:IC DAC 12BIT PARALLEL 3V 24-SOIC RoHS:是 類別:集成電路 (IC) >> 數據采集 - 數模轉換器 系列:- 標準包裝:47 系列:- 設置時間:2µs 位數:14 數據接口:并聯 轉換器數目:1 電壓電源:單電源 功率耗散（最大）:55µW 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:28-SSOP（0.209"，5.30mm 寬） 供應商設備封裝:28-SSOP 包裝:管件 輸出數目和類型:1 電流，單極；1 電流，雙極 采樣率（每秒）:* |
| AD7397 | 制造商:AD 制造商全稱:Analog Devices 功能描述:3 V, Parallel Input Dual 12-Bit /10-Bit DACs |
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