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參數(shù)資料
| 型號： | AD8139ARDZ-REEL7 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 運動控制電子 |
| 英文描述： | Low Noise Rail-to-Rail Differential ADC Driver |
| 中文描述： | OP-AMP, 500 uV OFFSET-MAX, PDSO8 |
| 封裝： | LEAD FREE, MS-012, SOIC-8 |
| 文件頁數(shù)： | 23/24頁 |
| 文件大小： | 720K |
| 代理商： | AD8139ARDZ-REEL7 |
AD8139
Since this is a single-ended-to-differential application on a
single supply, the input common-mode voltage swing must be
checked. From Figure 62, β = 0.52, V
OCM
= 2.4 V, and V
ICM
is
1.1 V p-p swinging about ground. Using Equation 16,
V
ACM
is
calculated to be 0.53 V p-p swinging about a baseline of 1.25 V,
and the minimum negative excursion is approximately 1 V.
Rev. A | Page 23 of 24
Exposed Paddle (EP)
The SOIC-8 and LFCSP packages have an exposed paddle on
the underside of its body. In order to achieve the specified
thermal resistance, it must have a good thermal connection to one
of the PCB planes. The exposed paddle must be soldered to a pad
on top of the board that is connected to an inner plane with several
thermal vias.
0
AD8139
+
–
8
2
1
6
3
4
2.4V
2V p-p
R
61.9
5
V
OCM
200
226
205
205
25
25
0.01
μ
F
0.01
μ
F
0.01
μ
F
AIN
AIN
GND C1
0.1
μ
F
C2
VREF
0.1
μ
F
AV
CC
DV
CC
5V
3.3V
AD6645
V
S
SIGNAL
SOURCE
50
Figure 62. AD8139 Driving AD6645, 14-Bit, 80 MSPS/105 MSPS A/D Converter
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AD8139ARDZ1 | Low Noise Rail-to-Rail Differential ADC Driver |
| AD8139ARD-REEL7 | Low Noise Rail-to-Rail Differential ADC Driver |
| AD8139ARD-REEL | Low Noise Rail-to-Rail Differential ADC Driver |
| AD8139 | Low Noise Rail-to-Rail Differential ADC Driver |
| AD8139ACPZ-R21 | PTSE 11C 11#16 STR PLUG |
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