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| 型号： | ADA4950-1YCPZ-R7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 27/28页 |
| 文件大小： | 0K |
| 描述： | IC AMP DIFF LP 114MA 16LFCSP |
| 标准包装： | 1 |
| 放大器类型： | 差分 |
| 电路数： | 1 |
| 输出类型： | 差分 |
| 转换速率： | 2900 V/µs |
| -3db带宽： | 750MHz |
| 电压 - 输入偏移： | 200µV |
| 电流 - 电源： | 9.5mA |
| 电流 - 输出 / 通道： | 114mA |
| 电压 - 电源，单路/双路(±)： | 3 V ~ 11 V，±1.5 V ~ 5.5 V |
| 工作温度： | -40°C ~ 105°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-VFQFN 裸露焊盘，CSP |
| 供应商设备封装： | 16-LFCSP-VQ |
| 包装： | 标准包装 |
| 产品目录页面： | 765 (CN2011-ZH PDF) |
| 其它名称： | ADA4950-1YCPZ-R7DKR |
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ADA4950-1/ADA4950-2
Data Sheet
Rev. A | Page 8 of 28
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
1
+INB
2
+INA
3
–INA
4
–INB
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
ADA4950-1
TOP VIEW
(Not to Scale)
07957-
005
NOTES
1. SOLDER THE EXPOSED PADDLE ON THE BACK OF
THE PACKAGE TO A GROUND PLANE OR TO A
POWER PLANE.
Figure 5. ADA4950-1 Pin Configuration
07957-
006
2
1
3
4
5
6
18
17
16
15
14
13
+INA2
+INB2
+VS1
–INB1
–INA1
–OUT2
PD2
–VS2
VOCM1
+OUT1
8
9
10
11
7
–I
NB2
+V
S2
+V
S2
V
O
CM
2
12
+
OU
T2
–I
NA2
20
19
21
P
D1
–O
UT
1
–V
S1
22
–V
S1
23
+
INB1
24
+
INA1
ADA4950-2
TOP VIEW
(Not to Scale)
NOTES
1. SOLDER THE EXPOSED PADDLE ON THE BACK OF
THE PACKAGE TO A GROUND PLANE OR TO A
POWER PLANE.
Figure 6. ADA4950-2 Pin Configuration
Table 9. ADA4950-1 Pin Function Descriptions
Pin No.
Mnemonic
Description
1
+INB
Positive Input B, 250 Input. Use alone for G = 2 or tie to +INA for G = 3.
2
+INA
Positive Input A, 500 Input. Use alone for G = 1 or tie to +INB for G = 3.
3
INA
Negative Input A, 500 Input. Use alone for G = 1 or tie to INB for G = 3.
4
INB
Negative Input B, 250 Input. Use alone for G = 2 or tie to INA for G = 3.
5 to 8
+VS
Positive Supply Voltage.
9
VOCM
Output Common-Mode Voltage.
10
+OUT
Positive Output.
11
OUT
Negative Output.
12
PD
Power-Down Pin.
13 to 16
VS
Negative Supply Voltage.
17 (EPAD)
Exposed Paddle (EPAD)
Solder the exposed paddle on the back of the package to a ground plane or to a power plane.
Table 10. ADA4950-2 Pin Function Descriptions
Pin No.
Mnemonic
Description
1
INA1
Negative Input A, Amplifier 1, 500 Input. Use alone for G = 1 or tie to –INB1 for G = 3.
2
INB1
Negative Input B, Amplifier 1, 250 Input. Use alone for G = 2 or tie to –INA1 for G = 3.
3, 4
+VS1
Positive Supply Voltage, Amplifier 1.
5
+INB2
Positive Input B, Amplifier 2, 250 Input. Use alone for G = 2 or tie to +INA2 for G = 3.
6
+INA2
Positive Input A, Amplifier 2, 500 Input. Use alone for G = 1 or tie to +INB2 for G = 3.
7
INA2
Negative Input A, Amplifier 2, 500 Input. Use alone for G = 1 or tie to –INB2 for G = 3.
8
INB2
Negative Input B, Amplifier 2, 250 Input. Use alone for G = 2 or tie to –INA2 for G = 3.
9, 10
+VS2
Positive Supply Voltage, Amplifier 2.
11
VOCM2
Output Common-Mode Voltage, Amplifier 2.
12
+OUT2
Positive Output, Amplifier 2.
13
OUT2
Negative Output, Amplifier 2.
14
PD2
Power-Down Pin, Amplifier 2.
15, 16
VS2
Negative Supply Voltage, Amplifier 2.
17
VOCM1
Output Common-Mode Voltage, Amplifier 1.
18
+OUT1
Positive Output, Amplifier 1.
19
OUT1
Negative Output, Amplifier 1.
20
PD1
Power-Down Pin, Amplifier 1.
21, 22
VS1
Negative Supply Voltage, Amplifier 1.
23
+INB1
Positive Input B, Amplifier 1, 250 Input. Use alone for G = 2 or tie to +INA1 for G = 3.
24
+INA1
Positive Input A, Amplifier 1, 500 Input. Use alone for G = 1 or tie to +INB1 for G = 3.
25 (EPAD)
Exposed Paddle (EPAD)
Solder the exposed paddle on the back of the package to a ground plane or to a power plane.
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