參數(shù)資料
型號： ADA4937-2YCPZ-R7
廠商： Analog Devices Inc
文件頁數(shù)： 29/29頁
文件大?。?/td> 0K
描述： IC ADC DRIVER DIFF DUAL 24LFCSP
標(biāo)準(zhǔn)包裝： 1
類型： ADC 驅(qū)動器
應(yīng)用： 數(shù)據(jù)采集
安裝類型： 表面貼裝
封裝/外殼： 24-VFQFN 裸露焊盤，CSP
供應(yīng)商設(shè)備封裝： 24-LFCSP-VQ（4x4）
包裝： 標(biāo)準(zhǔn)包裝
產(chǎn)品目錄頁面： 765 (CN2011-ZH PDF)
其它名稱： ADA4937-2YCPZ-R7DKR
ADA4937-1/ADA4937-2
Data Sheet
Rev. D | Page 8 of 28
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
NOTES
1. EXPOSED PADDLE. THE EXPOSED PAD IS NOT
ELECTRICALLY CONNECTED TO THE DEVICE. IT IS
TYPICALLY SOLDERED TO GROUND OR A POWER
PLANE ON THE PCB THAT IS THERMALLY CONDUCTIVE.
1
–FB
2
+IN
3
–IN
4
+FB
11 –OUT
12 PD
10 +OUT
9
VOCM
5
+V
S
6
+V
S
7
+V
S
8
+V
S
15
–V
S
16
–V
S
14
–V
S
13
–V
S
ADA4937-1
TOP VIEW
(Not to Scale)
PIN 1
INDICATOR
06591-
005
Figure 5. ADA4937-1 Pin Configuration
06591-
006
PIN 1
INDICATOR
1
2
3
4
5
6
15
16
17
18
14
13
7
8
9
1
12
10
21
22
23
24
+
IN1
20
19
TOP VIEW
(Not to Scale)
ADA4937-2
–IN1
+FB1
+VS1
–FB2
+IN2
–VS2
VOCM1
+OUT1
PD2
–OUT2
–I
N2
+
F
B2
+V
S2
V
O
CM
2
+
OU
T2
+V
S2
–V
S1
–V
S1
–
F
B1
P
D1
–O
UT
1
NOTES
1. EXPOSED PADDLE. THE EXPOSED PAD IS NOT
ELECTRICALLY CONNECTED TO THE DEVICE. IT IS
TYPICALLY SOLDERED TO GROUND OR A POWER
PLANE ON THE PCB THAT IS THERMALLY CONDUCTIVE.
Figure 6. ADA4937-2 Pin Configuration
Table 7. ADA4937-1 Pin Function Descriptions
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
PD
Power-Down Pin.
13 to 16
VS
Negative Supply Voltage.
EP
Exposed Paddle. The exposed pad is not
electrically connected to the device. It is
typically soldered to ground or a power
plane on the PCB that is thermally
conductive.
Table 8. ADA4937-2 Pin Function Descriptions
Pin No.
Mnemonic
Description
1
IN1
Negative Input Summing Node 1.
2
+FB1
Positive Output Feedback Pin 1.
3, 4
+VS1
Positive Supply Voltage 1.
5
FB2
Negative Output Feedback Pin 2.
6
+IN2
Positive Input Summing Node 2.
7
IN2
Negative Input Summing Node 2.
8
+FB2
Positive Output Feedback Pin 2.
9, 10
+VS2
Positive Supply Voltage 2.
11
VOCM2
Output Common-Mode Voltage 2.
12
+OUT2
Positive Output 2.
13
OUT2
Negative Output 2.
14
PD2
Power-Down Pin 2.
15, 16
VS2
Negative Supply Voltage 2.
17
VOCM1
Output Common-Mode Voltage 1.
18
+OUT1
Positive Output 1.
19
OUT1
Negative Output 1.
20
PD1
Power-Down Pin 1.
21, 22
VS1
Negative Supply Voltage 1.
23
FB1
Negative Output Feedback Pin 1.
24
+IN1
Positive Input Summing Node 1.
EP
Exposed Paddle. The exposed pad is
not electrically connected to the
device. It is typically soldered to
ground or a power plane on the PCB
that is thermally conductive.
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