參數(shù)資料
型號(hào): AD7793BRUZ
廠商: Analog Devices Inc
文件頁(yè)數(shù): 6/33頁(yè)
文件大?。?/td> 0K
描述: IC ADC 24BIT SIG-DEL 3CH 16TSSOP
設(shè)計(jì)資源: 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)
標(biāo)準(zhǔn)包裝: 1
位數(shù): 24
采樣率(每秒): 500
數(shù)據(jù)接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 2.5mW
電壓電源: 模擬和數(shù)字
工作溫度: -40°C ~ 105°C
安裝類型: 表面貼裝
封裝/外殼: 16-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 16-TSSOP
包裝: 管件
輸入數(shù)目和類型: 3 個(gè)差分,單極;3 個(gè)差分,雙極
產(chǎn)品目錄頁(yè)面: 779 (CN2011-ZH PDF)
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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