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DAC8512EP Datasheet

  • DAC8512EP

  • % V, Serial Input Complete 12-Bit DAC

  • 20頁

  • AD

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a
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
+5 V, Serial Input
Complete 12-Bit DAC
DAC8512
FUNCTIONAL BLOCK DIAGRAM
1
REF
12-BIT DAC
12
CLR 6
LD
CS
5
2
12
SERIAL REGISTER
DAC REGISTER
7
GND
8
V
DD
V
OUT
CLK 3
SDI
4
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鈥攆or 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.
1.0
0.75
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 (鈥?0擄C
to +85擄C) temperature range. DAC8512s are available in plas-
tic DIPs and SO-8 surface mount packages.
LINEARITY ERROR 鈥?LSB
0.5
0.25
0
鈥?.25
鈥?.5
鈥?.75
鈥?.0
0
1024
2048
3072
4096
DIGITAL INPUT CODE 鈥?Decimal
Linearity Error vs. Digital Input Code
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.
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
漏 Analog Devices, Inc., 1996

DAC8512EP 產(chǎn)品屬性

  • Data Converter FundamentalsDAC Architectures

  • 1

  • 集成電路 (IC)

  • 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器

  • -

  • 16µs

  • 12

  • 串行

  • 1

  • 單電源

  • 2.5mW

  • -40°C ~ 85°C

  • 通孔

  • 8-DIP（0.300"，7.62mm）

  • 8-PDIP

  • 管件

  • 1 電壓，單極；1 電壓，雙極

  • 62.5k

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