参数资料
型号: AD7564BN
厂商: Analog Devices Inc
文件页数: 1/17页
文件大小: 0K
描述: IC DAC 12BIT QUAD 5V LP 28-DIP
产品培训模块: Data Converter Fundamentals
DAC Architectures
标准包装: 13
设置时间: 500ns
位数: 12
数据接口: 串行
转换器数目: 4
电压电源: 单电源
功率耗散(最大): 50µW
工作温度: -40°C ~ 85°C
安装类型: 通孔
封装/外壳: 28-DIP(0.600",15.24mm)
供应商设备封装: 28-PDIP
包装: 管件
输出数目和类型: 8 电流,单极;8 电流,双极
采样率(每秒): 1.8M
AD7564
a
FEATURES
Four 12-Bit DACs in One Package
4-Quadrant Multiplication
Separate References
Single Supply Operation
Guaranteed Specifications with +3.3 V/+5 V Supply
Low Power
Versatile Serial Interface
Simultaneous Update Capability
Reset Function
28-Pin SOIC, SSOP and DIP Packages
APPLICATIONS
Process Control
Portable Instrumentation
General Purpose Test Equipment
FUNCTIONAL BLOCK DIAGRAM
V
A
R
B
DAC A
LATCH
INPUT
LATCH A
INPUT
LATCH B
INPUT
LATCH C
INPUT
LATCH D
DAC B
LATCH
DAC C
LATCH
DAC D
LATCH
DAC B
DAC C
DAC D
V
B
REF
V
D
REF
R
D
R
C
FB
R
A
FB
REF
V
C
REF
VDD
DGND
LDAC
CLR
AD7564
12
CONTROL LOGIC
+
INPUT SHIFT
REGISTER
CLKIN
SDIN
SDOUT
12
FSIN
I
A
I
A
I
B
I
B
I
C
I
D
OUT1
OUT2
OUT1
OUT2
OUT1
FB
OUT1
A0 A1
12
NC
AGND
I
C
OUT2
I
D
OUT2
PRODUCT HIGHLIGHTS
1. The AD7564 contains four 12-bit current output DACs with
separate VREF inputs.
2. The AD7564 can be operated from a single +3.3 V to +5 V
supply.
3. Simultaneous update capability and reset function are
available.
4. The AD7564 features a fast, versatile serial interface com-
patible with modern 3 V and 5 V microprocessors and
microcomputers.
5. Low power, 50
W at 5 V and 33 W at 3.3 V.
LC2MOS
+3.3 V/+5 V, Low Power, Quad 12-Bit DAC
One Technology Way, P.O. Box 9106, Norwood. MA 02062-9106, U.S.A.
Tel:
Fax:
REV.
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.
GENERAL DESCRIPTION
The AD7564 contains four 12-bit DACs in one monolithic
device. The DACs are standard current output with separate
VREF, IOUT1, IOUT2 and RFB terminals. These DACs operate from
a single +3.3 V to +5 V supply.
The AD7564 is a serial input device. Data is loaded using
FSIN
, CLKIN and SDIN. Two address pins A0 and A1 set up
a device address, and this feature may be used to simplify device
loading in a multi-DAC environment. Alternatively, A0 and A1
can be ignored and the serial out capability used to configure a
daisy-chained system.
All DACs can be simultaneously updated using the asynchro-
nous LDAC input, and they can be cleared by asserting the
asynchronous CLR input.
The device is packaged in 28-pin SOIC, SSOP and DIP
packages.
781/329-4700
781/461-3113
B
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