参数资料
型号: AD8522AR-REEL
厂商: Analog Devices Inc
文件页数: 7/8页
文件大小: 0K
描述: IC DAC DUAL 12BIT 5V 14-SOIC
产品培训模块: Data Converter Fundamentals
DAC Architectures
产品变化通告: AD8522 Redesign Change 29/Nov/2010
Product Discontinuance 27/Oct/2011
标准包装: 2,500
设置时间: 16µs
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): 25mW
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-SO
包装: 带卷 (TR)
输出数目和类型: 2 电压,单极
采样率(每秒): 62.5k
AD8522
REV. A
–7–
140
120
100
80
60
40
20
0
10
100
1k
10k
100k
1M
FREQUENCY – Hz
POWER
SUPPLY
REJECTION
dB
VDD = +5V ± 200mVAC
TA = +25°C
DATA = FFFH
#299, DAC A
VINH = +5V
VINL = 0V
Figure 12. Power Supply Rejection
vs. Frequency
40
35
30
25
20
15
10
5
0
5
4
3
2
1
0
–1
–2
–3
–4
–5
TOTAL UNADJUSTED ERROR – mV
FREQUENCY
TUE =
∑ (INL+ZS+FS)
SSZ = 300 UNITS
VDD = +4.5V
TA = +25°C
Figure 15. Total Unadjusted Error
Histogram
100
10
1.0
0.1
10
100
100k
10k
1k
FREQUENCY – Hz
OUTPUT
NOISE
DENSITY
V/
Hz
VDD = +5V
DATA = FFFH
TA = +25°C
Figure 18. Output Voltage Noise
Density vs. Frequency
VOUT
100mV/
DIV
LD
TIME – 500ns/DIV
100
90
10
0%
5V
100mV
500ns
TA = +25°C
VDD = +5V
204810 TO 204710
Figure 13. Midscale Transition
Performance
4.11
4.105
4.1
4.095
4.09
4.085
4.08
4.075
FULL
SCALE
VOLTAGE
Volts
–55 –35 –15
5
25
45
65
85
105 125
TEMPERATURE –
°C
AVG +1
σ
AVG
AVG –1
σ
VDD = +4.5V
NO LOAD
SSZ = 300 UNITS
Figure 16. Full-Scale Voltage vs.
Temperature
4.095
4.094
4.093
4.092
4.091
4.090
4.089
4.088
4.087
4.086
4.085
4.084
4.096
FULL-SCALE
OUTPUT
VOLTAGE
Volts
0
100
200
300
400
500
600
HOURS OF OPERATION AT +150
°C
AVG +1
σ
AVG
AVG –1
σ
VDD = +4.5V
SSZ = 135 UNITS
DATA = FFFH
Figure 19. Long Term Drift Acceler-
ated by Burn-In
5V
0V
4V
0V
–SR
+SR
OUTPUT
INPUT
TIME – 20s/DIV
100
90
10
0%
VOUT
RS
TA = +25°C
VDD = +5V
Figure 14. Large Signal Settling Time
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
ZERO-SCALE
VOLTAGE
mV
–55 –35 –15
5
25
45
65
85
105 125
TEMPERATURE –
°C
AVG +1
σ
AVG
AVG –1
σ
VDD = +4.5V
NO LOAD
SSZ = 300 UNITS
Figure 17. Zero-Scale Voltage vs.
Temperature
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
4.0
SUPPLY
CURRENT
mA
–55 –35 –15
5
25
65
125
45
85
105
TEMPERATURE –
°C
VDD = +5.5V
VIN = +2.4V
NO LOAD
VDD = +5V
VDD = +4.5V
Figure 20. Supply Current vs.
Temperature
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