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ADA4950-1YCPZ-R2 数据表(PDF) 8 Page - Analog Devices |
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ADA4950-1YCPZ-R2 数据表(HTML) 8 Page - Analog Devices |
8 / 26 page ADA4950-1/ADA4950-2 Data Sheet Rev. B | Page 8 of 26 PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS NOTES 1. SOLDER THE EXPOSED PADDLE ON THE BACK OF THE PACKAGE TO A GROUND PLANE OR TO A POWER PLANE. +INB +INA –INA –INB –OUT PD +OUT VOCM 12 11 10 1 3 4 9 2 ADA4950-1 TOP VIEW (Not to Scale) Figure 5. ADA4950-1 Pin Configuration 2 1 3 4 5 6 18 17 16 15 14 13 +INA2 +INB2 +VS1 +VS1 –INB1 –INA1 –OUT2 PD2 –VS2 –VS2 VOCM1 +OUT1 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 Ω Input. Use alone for G = 2 or tie to +INA for G = 3. 2 +INA Positive Input A, 500 Ω Input. Use alone for G = 1 or tie to +INB for G = 3. 3 −INA Negative Input A, 500 Ω Input. Use alone for G = 1 or tie to −INB for G = 3. 4 −INB Negative Input B, 250 Ω 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 Ω Input. Use alone for G = 1 or tie to –INB1 for G = 3. 2 −INB1 Negative Input B, Amplifier 1, 250 Ω 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 Ω Input. Use alone for G = 2 or tie to +INA2 for G = 3. 6 +INA2 Positive Input A, Amplifier 2, 500 Ω Input. Use alone for G = 1 or tie to +INB2 for G = 3. 7 −INA2 Negative Input A, Amplifier 2, 500 Ω Input. Use alone for G = 1 or tie to –INB2 for G = 3. 8 −INB2 Negative Input B, Amplifier 2, 250 Ω 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 Ω Input. Use alone for G = 2 or tie to +INA1 for G = 3. 24 +INA1 Positive Input A, Amplifier 1, 500 Ω 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. |
类似零件编号 - ADA4950-1YCPZ-R2 |
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类似说明 - ADA4950-1YCPZ-R2 |
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