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參數(shù)資料
| 型號(hào)： | AD7396ARZ-REEL |
| 廠商： | Analog Devices Inc |
| 文件頁(yè)數(shù)： | 1/12頁(yè) |
| 文件大小： | 0K |
| 描述： | IC DAC 12BIT PARALLEL 3V 24-SOIC |
| 產(chǎn)品培訓(xùn)模塊： | Data Converter Fundamentals DAC Architectures |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 設(shè)置時(shí)間： | 60µs |
| 位數(shù)： | 12 |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 2 |
| 電壓電源： | 單電源 |
| 功率耗散（最大）： | 1mW |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 24-SOIC W |
| 包裝： | 帶卷 (TR) |
| 輸出數(shù)目和類型： | 2 電壓，單極；2 電壓，雙極 |
| 采樣率（每秒）： | 17k |
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
VDD
VOUTA
VREF
VOUTB
AGND
LDB
12
FEATURES
Micropower: 100
A/DAC
0.1
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
DNL
–
LSB
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
VDD = +3V
VREF = +2.5V
TA = +25 C, +85 C, –55 C
SUPERIMPOSED
Figure 1. DNL vs. Digital Code at Temperature
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| ad7397an | 制造商:Rochester Electronics LLC 功能描述:X2, 10-BIT, +3V UPWR DAC - Bulk 制造商:Analog Devices 功能描述: 制造商:Analog Devices 功能描述:3V,Parallel Input Dual 10-Bit DACs 制造商:Analog Devices 功能描述:3 V, Parallel Input Dual 12-Bit /10-Bit DACs |
| AD7397AR | 制造商:Analog Devices 功能描述:DAC 2-CH R-2R 10-bit 24-Pin SOIC W 制造商:Rochester Electronics LLC 功能描述:X2, 10-BIT, +3V UPWR DAC - Bulk |
| AD7397AR-REEL | 制造商:Analog Devices 功能描述:DAC 2-CH R-2R 10-bit 24-Pin SOIC W T/R |
| AD7397ARU | 制造商:Analog Devices 功能描述:DAC 2-CH R-2R 10-bit 24-Pin TSSOP 制造商:Rochester Electronics LLC 功能描述:X2, 10-BIT, +3V UPWR DAC - Bulk |
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