参数资料
型号: AD5428YRUZ-REEL
厂商: Analog Devices Inc
文件页数: 5/33页
文件大小: 0K
描述: IC DAC 8BIT MULTIPLYING 20TSSOP
产品培训模块: Data Converter Fundamentals
DAC Architectures
标准包装: 2,500
设置时间: 30ns
位数: 8
数据接口: 并联
转换器数目: 2
电压电源: 单电源
功率耗散(最大): 3.3µW
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 20-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 20-TSSOP
包装: 带卷 (TR)
输出数目和类型: 2 电流,单极;2 电流,双极
采样率(每秒): 21.3M
AD5428/AD5440/AD5447
Data Sheet
Rev. C | Page 12 of 32
0
2
4
6
8
10
12
14
I DD
(mA)
10k
1k
10
100
1
100k
1M
10M
100M
FREQUENCY (Hz)
04462-025
TA = 25°C
LOADING ZS TO FS
VDD = 5V
VDD = 3V
VDD = 2.5V
Figure 19. Supply Current vs. Update Rate
–102
–66
–54
–42
–30
–18
–6
6
1
100
1k
10k
100k
1M
10M
100M
FREQUENCY (Hz)
GAIN
(
d
B)
TA = 25°C
LOADING
ZS TO FS
0
–60
–48
–36
–24
–12
–84
–72
–78
–90
–96
TA = 25°C
VDD = 5V
VREF = ±3.5V
CCOMP =1.8pF
AMP = AD8038
ALL ON
DB11
DB10
DB9
DB8
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
ALL OFF
04462-026
10
Figure 20. Reference Multiplying Bandwidth vs. Frequency and Code
–0.8
–0.6
–0.4
–0.2
0
0.2
GAIN
(
d
B)
10k
1k
10
100
1
100k
1M
10M
100M
FREQUENCY (Hz)
04462-027
TA = 25°C
VDD = 5V
VREF = ±3.5V
CCOMP = 1.8pF
AMP = AD8038
Figure 21. Reference Multiplying Bandwidth—All 1s Loaded
–9
–6
–3
0
3
10k
100k
1M
10M
100M
FREQUENCY (Hz)
TA = 25°C
VDD = 5V
GAIN
(
d
B)
04462-028
VREF = ±2V, AD8038 CC 1.47pF
VREF = ±2V, AD8038 CC 1pF
VREF = ±0.15V, AD8038 CC 1pF
VREF = ±0.15V, AD8038 CC 1.47pF
VREF = ±3.51V, AD8038 CC 1.8pF
Figure 22. Reference Multiplying Bandwidth vs. Frequency and
Compensation Capacitor
–0.010
–0.005
0.005
0.025
0.035
0.045
0.015
0
0.020
0.030
0.040
0.010
OUTPUT
VOLTAGE
(V)
0
20
40
60
80
100
120
140
160
180
200
TIME (ns)
04462-041
TA = 25°C
VREF = 0V
AMP = AD8038
CCOMP = 1.8pF
0x7FF TO 0x800
0x800 TO 0x7FF
VDD = 5V
VDD = 3V
VDD = 5V
Figure 23. Midscale Transition, VREF = 0 V
OUTPUT
VOLTAGE
(V)
0
20
40
60
80
100
120
140
160
180
200
TIME (ns)
04462-042
–1.77
–1.76
–1.75
–1.74
–1.73
–1.72
–1.71
–1.70
–1.69
–1.68
0x7FF TO 0x800
0x800 TO 0x7FF
VDD = 5V
VDD = 3V
VDD = 5V
TA = 25°C
VREF = 3.5V
AMP = AD8038
CCOMP = 1.8pF
Figure 24. Midscale Transition, VREF = 3.5 V
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