参数资料
型号: ADA4940-1ARZ-R7
厂商: Analog Devices Inc
文件页数: 2/33页
文件大小: 0K
描述: IC DIFF ADC DVR 18BIT LN 8SOIC
标准包装: 1,000
放大器类型: 差分
电路数: 1
输出类型: 差分
转换速率: 95 V/µs
-3db带宽: 260MHz
电流 - 输入偏压: 1.1µA
电压 - 输入偏移: 60µV
电流 - 电源: 1.25mA
电流 - 输出 / 通道: 46mA
电压 - 电源,单路/双路(±): 3 V ~ 6 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SO
包装: 带卷 (TR)
Data Sheet
ADA4940-1/ADA4940-2
Rev. C | Page 9 of 32
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
1
–FB
2
+IN
3
–IN
4
+FB
11 –OUT
12 DISABLE
10 +OUT
9VOCM
5
+
V
S
6
+
V
S
7
+
V
S
8
+
V
S
1
5
V
S
1
6
V
S
1
4
V
S
1
3
V
S
ADA4940-1
08
452-
1
01
NOTES
1. CONNECT THE EXPOSED PAD TO
–VS OR GROUND.
Figure 4. ADA4940-1 Pin Configuration (16-Lead LFCSP)
08452
-0
03
–IN
1
VOCM 2
+VS 3
+OUT
4
+IN
8
DISABLE
7
–VS
6
–OUT
5
ADA4940-1
Figure 5.ADA4940-1 Pin Configuration (SOIC)
Table 11. ADA4940-1 Pin Function Descriptions (16-Lead
LFCSP)
Pin No.
Mnemonic
Description
1
FB
Negative Output for Feedback
Component Connection.
2
+IN
Positive Input Summing Node.
3
IN
Negative Input Summing Node.
4
+FB
Positive Output for Feedback
Component Connection.
5 to 8
+VS
Positive Supply Voltage.
9
VOCM
Output Common-Mode Voltage.
10
+OUT
Positive Output for Load
Connection.
11
OUT
Negative Output for Load
Connection.
12
DISABLE
Disable Pin.
13 to 16
VS
Negative Supply Voltage.
Exposed
paddle (EPAD)
Connect the exposed pad to VS or
ground.
Table 12. ADA4940-1 Pin Function Descriptions (8-Lead
SOIC)
Pin No.
Mnemonic
Description
1
IN
Negative Input Summing Node.
2
VOCM
Output Common-Mode Voltage.
3
+VS
Positive Supply Voltage.
4
+OUT
Positive Output for Load
Connection.
5
OUT
Negative Output for Load
Connection.
6
VS
Negative Supply Voltage.
7
DISABLE
Disable Pin.
8
+IN
Positive Input Summing Node.
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