参数资料
型号: AD5420AREZ
厂商: Analog Devices Inc
文件页数: 4/32页
文件大小: 0K
描述: IC DAC 16BIT 1CH SER 24TSSOP
产品培训模块: Data Converter Fundamentals
DAC Architectures
Weigh Scale Introduction
设计资源: Simplified 16-Bit, 4 mA-to-20 mA Output Solution Using AD5420 (CN0098)
标准包装: 62
设置时间: 10µs
位数: 16
数据接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
转换器数目: 1
电压电源: 模拟和数字
功率耗散(最大): 950mW
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-TSSOP(0.173",4.40mm)裸露焊盘
供应商设备封装: 24-TSSOP 裸露焊盘
包装: 管件
输出数目和类型: 1 电流,单极
采样率(每秒): *
产品目录页面: 782 (CN2011-ZH PDF)
AD5410/AD5420
Data Sheet
Rev. F | Page 12 of 32
–0.25
–0.20
–0.15
–0.10
–0.05
0
0.05
0.10
–40
–20
0
20
40
60
80
T
O
T
AL
UNADJUS
T
E
D
E
RRO
R
(
%F
S
R)
TEMPERATURE (°C)
AVDD = 24V
4mA TO 20mA INTERNAL RSET
0mA TO 20mA INTERNAL RSET
0mA TO 24mA INTERNAL RSET
4mA TO 20mA EXTERNAL RSET
0mA TO 20mA EXTERNAL RSET
0mA TO 24mA EXTERNAL RSET
07027-
013
Figure 13. Total Unadjusted Error vs. Temperature
–0.25
–0.20
–0.15
–0.10
–0.05
0
0.05
0.10
–40
–20
0
20
40
60
80
OFFS
E
T
E
R
OR
(
%
FS
R
)
TEMPERATURE (°C)
4mA TO 20mA INTERNAL RSET
0mA TO 20mA INTERNAL RSET
0mA TO 24mA INTERNAL RSET
4mA TO 20mA EXTERNAL RSET
0mA TO 20mA EXTERNAL RSET
0mA TO 24mA EXTERNAL RSET
AVDD = 24V
07027-
017
Figure 14. Offset Error vs. Temperature
–0.10
–0.08
–0.06
–0.04
–0.02
0
0.02
0.04
0.06
–40
–20
0
20
40
60
80
G
AI
N
E
RRO
R
(
%
F
S
R)
TEMPERATURE (°C)
AVDD = 24V
07027-
018
4mA TO 20mA INTERNAL RSET
0mA TO 20mA INTERNAL RSET
0mA TO 24mA INTERNAL RSET
4mA TO 20mA EXTERNAL RSET
0mA TO 20mA EXTERNAL RSET
0mA TO 24mA EXTERNAL RSET
Figure 15. Gain Error vs. Temperature
–0.015
–0.010
–0.005
0
0.005
0.010
0.015
10
15
20
25
30
35
40
07027-
011
INL
E
RRO
R
(
%
F
S
R)
AVDD (V)
TA = 25°C
0mA TO 24mA RANGE
Figure 16. Integral Nonlinearity Error vs. AVDD, External RSET
–0.015
–0.020
–0.010
–0.005
0.005
0.015
0
0.010
0.020
10
15
20
25
30
35
40
07027-
014
INL
E
RRO
R
(
%F
S
R)
AVDD (V)
TA = 25°C
0mA TO 24mA RANGE
Figure 17. Integral Nonlinearity Error vs. AVDD, Internal RSET
–1.0
–0.8
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
1.0
10
15
20
25
30
35
40
DN
L
E
RRO
R
(L
S
B
)
AVDD (V)
07027-
012
TA = 25°C
0mA TO 24mA RANGE
Figure 18. Differential Nonlinearity Error vs. AVDD, External RSET
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