参数资料
型号: DAC8420FSZ-REEL
厂商: Analog Devices Inc
文件页数: 4/24页
文件大小: 0K
描述: IC DAC 12BIT QUAD SRL LP 16SOIC
产品培训模块: Data Converter Fundamentals
DAC Architectures
标准包装: 1,000
设置时间: 8µs
位数: 12
数据接口: 串行
转换器数目: 4
电压电源: 双 ±
功率耗散(最大): 255mW
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-SOIC(0.295",7.50mm 宽)
供应商设备封装: 16-SOIC W
包装: 带卷 (TR)
输出数目和类型: 4 电压,单极;4 电压,双极
采样率(每秒): 125k
DAC8420
Rev. B | Page 12 of 24
1.5
–1.0
4500
–0.5
500
0
0.5
1.0
4000
3500
3000
2500
2000
1500
1000
DIGITAL INPUT CODE
TA = +25°C
VDD = +15V
VSS = –15V
VVREFHI = +10V
VVREFLO = –10V
I VR
E
F
HI
(m
A
)
00
27
5-
01
9
Figure 18. IVREFHI vs. Code
TA = +25°C
VDD = +5V
VSS = –5V
VVREFHI = +2.5V
VVREFLO = –2.5V
1.22mV
1 LSB
0mV
–10.25mV
–2.50V
00
27
5-
0
20
–4.9s
5s/DIV
45.1s
tSETT
8s
LD
Figure 19. Positive Settling Time (±5 V)
00
27
5-
02
1
0mV
1 LSB
1.22mV
3.5mV
6.5mV
CLR
–4.9s
5s/DIV
45.1s
tSETT
8s
TA = +25°C
VDD = +5V
VSS = –5V
VVREFHI = +2.5V
VVREFLO = –2.5V
Figure 20. Negative Settling Time (±5 V)
00
27
5-
02
2
4.88mV
1 LSB
0mV
–18.75mV
31.25mV
LD
–9.8s
10s/DIV
90.2s
tSETT 13s
TA = +25°C
VDD = +15V
VSS = –15V
VVREFHI = +10V
VVREFLO = –10V
Figure 21. Positive Settling Time (±15 V)
00
27
5-
02
3
0mV
1 LSB
–4.88mV
–6.25mV
43.75mV
CLR
–9.8s
10s/DIV
90.2s
tSETT 13s
TA = +25°C
VDD = +15V
VSS = –15V
VVREFHI = +10V
VVREFLO = –10V
Figure 22. Negative Settling Time (±15 V)
002
75
-0
24
+1V/DIV
–5V
5V
–47.6s
20s/DIV
152.4s
TA = +25°C
VDD = +5V
VSS = –5V
VVREFHI = +2.5V
VVREFLO = –2.5V
0
SRRISE = 1.65
V
s
SRFALL = 1.17
V
s
Figure 23. Slew Rate (±5 V)
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