参数资料
型号: EVAL-AD7843EBZ
厂商: Analog Devices Inc
文件页数: 2/21页
文件大小: 0K
描述: BOARD EVAL FOR AD7843
标准包装: 1
ADC 的数量: 1
位数: 12
采样率(每秒): 125k
数据接口: 串行
输入范围: 0 ~ 5.25 V
在以下条件下的电源(标准): 1.4mW @ 125kSPS
工作温度: -40°C ~ 85°C
已用 IC / 零件: AD7843
已供物品:
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AD7843
Rev. B | Page 9 of 20
0.5
1.5
2.5
3.5
4.5
5.5
6.5
7.5
RE
FE
RE
NCE
CURRE
NT
(
A)
70
55
25
40
10
85
100
115
130
SAMPLE RATE (kHz)
02144-B
-010
Figure 10. Reference Current vs. Sample Rate
Y+
X+
X–
Y–
4
5
6
7
8
9
10
R
ON
(
)
02144-B
-011
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
+VCC (V)
Figure 11. Switch-On Resistance vs. +VCC
(X+, Y+: +VCC to Pin; X, Y: Pin to GND)
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
E
RROR
(LS
B
)
15
35
55
75
95
115
135
155
175
195
SAMPLING RATE (kSPS)
02144-B
-012
INL: R = 2k
INL: R = 500
DNL: R = 2k
DNL: R = 500
Figure 12. Maximum Sampling Rate vs. RIN
2
4
6
5
3
8
7
RE
FE
RE
NCE
CURRE
NT
(
A)
10
9
12
11
13
020
–40
–20
40
60
80
TEMPERATURE (°C)
02144-B
-013
Figure 13. Reference Current vs. Temperature
Y+
X+
X–
Y–
3
4
5
6
7
8
9
R
ON
(
)
02144-B
-014
–40
–20
0
20
40
60
80
100
TEMPERATURE (°C)
Figure 14. Switch-On Resistance vs. Temperature
(X+, Y+:+VCC to Pin; X, Y: Pin to GND)
120
100
80
60
40
20
0
S
NR
(dB)
30.0
22.5
7.5
15.0
0
37.5
45.0
52.5
60.0
FREQUENCY (kHz)
02144-B
-015
fSAMPLE = 125kHz
fIN = 15kHz
SNR = 68.34dB
Figure 15. Auxiliary Channel Dynamic Performance
(fSAMPLE =125 kHz, fINPUT = 15 kHz)
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