参数资料
型号: AD7793BRU
厂商: Analog Devices Inc
文件页数: 6/33页
文件大小: 0K
描述: IC ADC 24BIT 3CH LP 16-TSSOP
设计资源: Fully Isolated Input Module Based on AD7793 and ADuM5401(CN0066)
Fully Isolated Input Module Based on AD7793, ADuM5401, and a High Performance In-Amp (CN0067)
标准包装: 1
位数: 24
采样率(每秒): 500
数据接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
转换器数目: 1
功率耗散(最大): 2.5mW
电压电源: 模拟和数字
工作温度: -40°C ~ 105°C
安装类型: 表面贴装
封装/外壳: 16-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 16-TSSOP
包装: 管件
输入数目和类型: 3 个差分,单极;3 个差分,双极
配用: EVAL-AD7793EBZ-ND - BOARD EVALUATION FOR AD7793
AD7792/AD7793
Rev. B | Page 13 of 32
TYPICAL PERFORMANCE CHARACTERISTICS
8388800
8388450
8388500
8388550
8388600
8388650
8388700
8388750
0
1000
800
600
400
200
04
85
5-
00
6
READING NUMBER
CO
DE
RE
AD
Figure 6. Typical Noise Plot (Internal Reference, Gain = 64,
Update Rate = 16.7 Hz) for AD7793
16
0
2
4
6
8
10
12
14
8388482
8388750
8388720
8388680
8388640
8388600
8388560
8388520
04
85
5-
00
7
O
CCUR
RE
NCE
CODE
Figure 7. Noise Distribution Histogram for AD7793
(Internal Reference, Gain = 64, Update Rate = 16.7 Hz)
20
10
0
–2.0 –1.2 –0.8 –0.4
0
0.4
0.8
1.2
1.6
2.0
04
85
5-
00
8
MATCHING (%)
O
C
CURRE
NCE
(
%
)
Figure 8. Excitation Current Matching (210 μA) at Ambient
Temperature
20
10
0
–1.75 –1.05 –0.70 –0.35
0
0.35 0.70 1.05 1.40 1.75
04
85
5-
00
9
MATCHING (%)
O
C
CURRE
NCE
(
%
)
Figure 9. Excitation Current Matching (1 mA) at Ambient Temperature
90
80
70
60
50
40
30
20
10
0
200
400
600
800
1000
04
85
5-
01
0
LOAD CAPACITANCE (nF)
PO
W
E
R
-U
P
T
IM
E
(m
s)
Figure 10. Bias Voltage Generator Power-Up Time vs. Load Capacitance
3.0
2.5
2.0
1.5
1.0
0.5
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
04
85
5-
0
1
REFERENCE VOLTAGE (V)
RM
S
NO
IS
E
(
V
)
VDD = 5V
UPDATE RATE = 16.6Hz
TA = 25°C
Figure 11. RMS Noise vs. Reference Voltage (Gain = 1)
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