参数资料
型号: AD7394ARZ
厂商: Analog Devices Inc
文件页数: 4/12页
文件大小: 0K
描述: IC DAC 12BIT SERIAL 3V 14SOIC
产品培训模块: Data Converter Fundamentals
DAC Architectures
产品变化通告: Product Discontinuance 27/Oct/2011
标准包装: 56
设置时间: 60µs
位数: 12
数据接口: 串行
转换器数目: 2
电压电源: 单电源
功率耗散(最大): 1mW
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 14-SOIC(0.154",3.90mm 宽)
供应商设备封装: 14-SOICN
包装: 管件
输出数目和类型: 2 电压,单极;2 电压,双极
采样率(每秒): 17k
AD7394/AD7395
–12–
REV. 0
C3323–8–4/98
PRINTED
IN
U.S.A.
Table VI. Bipolar Code Table
Hexadecimal Number
Decimal Number
Analog Output
in DAC Register
Voltage (V)
3FF
1023
4.9902
201
513
0.0097
200
512
0.0000
1FF
511
–0.0097
000
0
–5.0000
OUTLINE DIMENSIONS
Dimensions shown in inches and (mm).
Plastic DIP Package
(N-14)
14
17
8
0.795 (20.19)
0.725 (18.42)
0.280 (7.11)
0.240 (6.10)
PIN 1
0.325 (8.25)
0.300 (7.62)
0.015 (0.381)
0.008 (0.204)
0.195 (4.95)
0.115 (2.93)
SEATING
PLANE
0.022 (0.558)
0.014 (0.356)
0.060 (1.52)
0.015 (0.38)
0.210 (5.33)
MAX
0.130
(3.30)
MIN
0.070 (1.77)
0.045 (1.15)
0.100
(2.54)
BSC
0.160 (4.06)
0.115 (2.93)
SOIC Package
(R-14)
14
8
7
1
0.3444 (8.75)
0.3367 (8.55)
0.2440 (6.20)
0.2284 (5.80)
0.1574 (4.00)
0.1497 (3.80)
PIN 1
SEATING
PLANE
0.0098 (0.25)
0.0040 (0.10)
0.0192 (0.49)
0.0138 (0.35)
0.0688 (1.75)
0.0532 (1.35)
0.0500
(1.27)
BSC
0.0099 (0.25)
0.0075 (0.19)
0.0500 (1.27)
0.0160 (0.41)
8
0
0.0196 (0.50)
0.0099 (0.25)
45
output drive current, but consumes only 50 microamps inter-
nally. If higher resolution is required, the AD7394 can be used
with the addition of two more bits of data inserted into the
software coding, which would result in a 2.5 mV LSB step size.
Table VI shows examples of nominal output voltages, VO, pro-
vided by the Bipolar Operation circuit application.
OP196
+5V
ISY < 262 A
REF
VDD
VOUTA
GND
AD7395
200 A
< 50 A
C
470k
+5V
–5V
VO
5V
BIPOLAR
OUTPUT
SWING
ONLY ONE CHANNEL SHOWN.
DIGITAL INTERFACE CIRCUITRY
OMITTED FOR CLARITY.
Figure 25. Bipolar Output Operation
Thin Surface Mount TSSOP Package
(RU-14)
14
8
7
1
0.201 (5.10)
0.193 (4.90)
0.256 (6.50)
0.246 (6.25)
0.177 (4.50)
0.169 (4.30)
PIN 1
SEATING
PLANE
0.006 (0.15)
0.002 (0.05)
0.0118 (0.30)
0.0075 (0.19)
0.0256
(0.65)
BSC
0.0433
(1.10)
MAX
0.0079 (0.20)
0.0035 (0.090)
0.028 (0.70)
0.020 (0.50)
8
0
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