参数资料
型号: AD7687BRMZRL7
厂商: Analog Devices Inc
文件页数: 4/28页
文件大小: 0K
描述: IC ADC 16BIT 250KSPS 10MSOP
标准包装: 1,000
系列: PulSAR®
位数: 16
采样率(每秒): 250k
数据接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
转换器数目: 1
功率耗散(最大): 12.5mW
电压电源: 模拟和数字
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)
供应商设备封装: 10-MSOP
包装: 带卷 (TR)
输入数目和类型: 1 个差分,双极
配用: EVAL-AD7687CBZ-ND - BOARD EVALUATION FOR AD7687
AD7687
Data Sheet
Rev. B | Page 12 of 28
02972-018
INPUT LEVEL (dB)
0
–10
–8–6–4–2
SNR
(dB)
100
99
98
97
96
95
94
93
92
91
90
VREF = 5V
VREF = 2.5V
Figure 19. SNR vs. Input Level
SUPPLY (V)
O
PERATING
CURRENT
(
μA)
1000
750
500
250
0
2.3
3.1
3.9
4.7
5.5
2.7
3.5
4.3
5.1
02972-
019
VIO
VDD
fS = 100kSPS
Figure 20. Operating Currents vs. Supply
TEMPERATURE (
°C)
PO
WER-DO
WN
CURRENT
(nA)
1000
750
500
250
0
–55
–35
–15
5
25
45
65
85
105
125
02972-
020
VDD + VIO
Figure 21. Power-Down Currents vs. Temperature
TEMPERATURE (
°C)
O
PERATING
CURRENT
(
μA)
1000
750
500
250
0
–55
–35
–15
5
25
45
65
85
105
125
02972-
021
VIO
VDD = 5V
VDD = 2.5V
fS = 100kSPS
Figure 22. Operating Currents vs. Temperature
02972-
022
TEMPERATURE (
°C)
125
–55
–35
–15
5
25
45
65
85
105
O
FFSET,
G
A
IN
ER
R
O
R
(LSB
)
6
4
2
0
–2
–4
–6
GAIN ERROR
OFFSET ERROR
Figure 23. Offset and Gain Error vs. Temperature
02972-023
SDO CAPACITIVE LOAD (pF)
120
0
204060
80
100
T
DSDO
DELAY
(ns)
25
20
15
10
5
0
VDD = 2.5V, 85°C
VDD = 3.3V, 25°C
VDD = 3.3V, 85°C
VDD = 5V, 85°C
VDD = 5V, 25°C
VDD = 2.5V, 25°C
Figure 24. tDSDO Delay vs. Capacitance Load and Supply
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