The INA128 and INA129 are low power, general purpose instrumentation amplifiers offering excellent accuracy. The versatile 3-op amp design and small size make them ideal for a wide range of applications. Current-feedback input circuitry provides wide bandwidth even at high gain (200kHz at G = 100).
A single external resistor sets any gain from 1 to 10,000. The INA128 provides an industry-standard gain equation; the INA129 gain equation is compatible with the AD620.
The INA128/INA129 is laser trimmed for very low offset voltage (50µV), drift (0.5µV/°C) and high common-mode rejection (120dB at G ≥ 100). It operates with power supplies as low as ±2.25V, and quiescent current is only 700µA—ideal for battery-operated systems
| INA128 | |
| Gain (V/V) | 1 to 10000 |
| Non-Linearity (+/-) (Max) (%) | 0.012 |
| Input Bias Current (+/-) (Max) (nA) | 5 |
| Output Offset (+/-) (Max) (uV) | |
| Input Offset Drift (+/-) (Max) (uV/Degrees Celsius) | 0.5 |
| Output Offset Drift (+/-) (Max) (uV/Degrees Celsius) | 20/G |
| CMRR (Min) (dB) | 120 |
| Bandwidth at G=100 (Min) (kHz) | 200 |
| Noise at 1kHz (Typ) (nV/rt(Hz)) | 8 |
| Vs (Min) (V) | 4.5 |
| Vs (Max) (V) | 36 |
| Quiescent Current (+/-) (Typ) (mA) | 0.7 |
| Pin/Package | 8PDIP, 8SOIC |
| 器件 | 状态 | 温度 | 价格 | 封装 | 引脚 | 封装数量 | 封装载体 | 丝印标记 |
| INA128P | ACTIVE | 4.95 | 1ku | PDIP (P) | 8 | 50 | TUBE | ||
| INA128PA | ACTIVE | 3.05 | 1ku | PDIP (P) | 8 | 50 | TUBE | ||
| INA128PAG4 | ACTIVE | 3.05 | 1ku | PDIP (P) | 8 | 50 | TUBE | ||
| INA128PG4 | ACTIVE | 4.95 | 1ku | PDIP (P) | 8 | 50 | TUBE | ||
| INA128U | ACTIVE | 5.60 | 1ku | SOIC (D) | 8 | 75 | TUBE | ||
| INA128U/2K5 | ACTIVE | 4.95 | 1ku | SOIC (D) | 8 | 2500 | LARGE T&R | ||
| INA128U/2K5G4 | ACTIVE | 4.95 | 1ku | SOIC (D) | 8 | 2500 | LARGE T&R | ||
| INA128UA | ACTIVE | -40 to 125 | 3.70 | 1ku | SOIC (D) | 8 | 75 | TUBE | |
| INA128UA/2K5 | ACTIVE | -40 to 125 | 3.05 | 1ku | SOIC (D) | 8 | 2500 | LARGE T&R | |
| INA128UA/2K5E4 | ACTIVE | -40 to 125 | 3.05 | 1ku | SOIC (D) | 8 | 2500 | LARGE T&R | |
| INA128UA/2K5G4 | ACTIVE | -40 to 125 | 3.05 | 1ku | SOIC (D) | 8 | 2500 | LARGE T&R | |
| INA128UAE4 | ACTIVE | -40 to 125 | 3.70 | 1ku | SOIC (D) | 8 | 75 | TUBE | |
| INA128UAG4 | ACTIVE | -40 to 125 | 3.70 | 1ku | SOIC (D) | 8 | 75 | TUBE | |
| INA128UG4 | ACTIVE | 5.60 | 1ku | SOIC (D) | 8 | 75 | TUBE | ||
| SN412014DRE4 | ACTIVE | -40 to 125 | 3.05 | 1ku | SOIC (D) | 8 | 2500 | LARGE T&R |
| 器件 | 环保计划* | 铅/焊球涂层 | MSL 等级/回流焊峰 | 环保信息与无铅 (Pb-free) | DPPM / MTBF / FIT 率 |
| INA128P | Green (RoHS & no Sb/Br) | CU NIPDAU | N/A for Pkg Type | INA128P | INA128P |
| INA128PA | Green (RoHS & no Sb/Br) | CU NIPDAU | N/A for Pkg Type | INA128PA | INA128PA |
| INA128PAG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | N/A for Pkg Type | INA128PAG4 | INA128PAG4 |
| INA128PG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | N/A for Pkg Type | INA128PG4 | INA128PG4 |
| INA128U | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-2-260C-1 YEAR | INA128U | INA128U |
| INA128U/2K5 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-2-260C-1 YEAR | INA128U/2K5 | INA128U/2K5 |
| INA128U/2K5G4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-2-260C-1 YEAR | INA128U/2K5G4 | INA128U/2K5G4 |
| INA128UA | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-2-260C-1 YEAR | INA128UA | INA128UA |
| INA128UA/2K5 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-3-260C-168 HR | INA128UA/2K5 | INA128UA/2K5 |
| INA128UA/2K5E4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-3-260C-168 HR | INA128UA/2K5E4 | INA128UA/2K5E4 |
| INA128UA/2K5G4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-3-260C-168 HR | INA128UA/2K5G4 | INA128UA/2K5G4 |
| INA128UAE4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-3-260C-168 HR | INA128UAE4 | INA128UAE4 |
| INA128UAG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-3-260C-168 HR | INA128UAG4 | INA128UAG4 |
| INA128UG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-3-260C-168 HR | INA128UG4 | INA128UG4 |
| SN412014DRE4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-3-260C-168 HR | SN412014DRE4 | SN412014DRE4 |
