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參數(shù)資料
| 型號： | DAC8512 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | +5 V, Serial Input Complete 12-Bit DAC(串行輸入完備的12位D/A轉(zhuǎn)換器) |
| 中文描述： | 5伏，串行輸入完整的12位DAC（串行輸入完備的12位的D / A轉(zhuǎn)換器） |
| 文件頁數(shù)： | 1/20頁 |
| 文件大?。?/td> | 771K |
| 代理商： | DAC8512 |
REV. A
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
+5 V, Serial Input
Complete 12-Bit DAC
DAC8512
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
World Wide Web Site: http://www.analog.com
Fax: 617/326-8703
Analog Devices, Inc., 1996
FUNCTIONAL BLOCK DIAGRAM
7
8
1
2
3
4
5
6
REF
12-BIT DAC
DAC REGISTER
V
DD
V
OUT
GND
SERIAL REGISTER
12
12
CLR
LD
CS
CLK
SDI
FEATURES
Space Saving SO-8 or Mini-DIP Packages
Complete, Voltage Output with Internal Reference
1 mV/Bit with 4.095 V Full Scale
Single +5 Volt Operation
No External Components
3-Wire Serial Data Interface, 20 MHz Data Loading Rate
Low Power: 2.5 mW
APPLICATIONS
Portable Instrumentation
Digitally Controlled Calibration
Servo Controls
Process Control Equipment
PC Peripherals
GENERAL DESCRIPTION
The DAC8512 is a complete serial input, 12-bit, voltage output
digital-to-analog converter designed to operate from a single
+5 V supply. It contains the DAC, input shift register and
latches, reference and a rail-to-rail output amplifier. Built using
a CBCMOS process, these monolithic DACs offer the user low
cost, and ease of use in +5 V only systems.
Coding for the DAC8512 is natural binary with the MSB loaded
first. The output op amp can swing to either rail and is set to a
range of 0 V to +4.095 V—for a one-millivolt-per-bit resolution.
It is capable of sinking and sourcing 5 mA. An on-chip reference
is laser trimmed to provide an accurate full-scale output voltage
of 4.095 V.
Serial interface is high speed, three-wire, DSP compatible with
data in (SDI), clock (CLK) and load strobe (LD). There is also
a chip-select pin for connecting multiple DACs.
A CLR input sets the output to zero scale at power on or upon
user demand.
The DAC8512 is specified over the extended industrial (–40
°
C
to +85
°
C) temperature range. DAC8512s are available in plas-
tic DIPs and SO-8 surface mount packages.
1.0
–1.0
4096
–0.5
–0.75
0
0
–0.25
0.25
0.5
0.75
3072
2048
1024
DIGITAL INPUT CODE – Decimal
L
Linearity Error vs. Digital Input Code
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