OPA2378 低噪声、900kHz、RRIO 零漂移系列的精密运算放大器
The OPA378 and OPA2378 represent a new generation of Zerø-Drift, microPOWER operational amplifiers that use a proprietary auto-calibration technique to provide minimal input offset voltage (20µV) and offset voltage drift (0.1µV/°C). The combination of low input voltage noise, high gain bandwidth (900kHz), and low power (150µA max) enable these devices to achieve optimum performance for low-power precision applications. In addition, the excellent PSRR performance, coupled with a wide input supply range of 2.2V to 5.5V and rail-to-rail input and output, makes it an outstanding choice for single-supply applications that run directly from batteries without regulation.
The OPA378 (single version) is available in both a microSIZE SC70-5 and a SOT23-5 package
|
OPA2378 |
OPA378 |
| Number of Channels |
2 |
1 |
| Total Supply Voltage (V)(Min)(+5V=5, +/-5V=10) |
2.2 |
2.2 |
| Total Supply Voltage (V)(Max)(+5V=5, +/-5V=10) |
5.5 |
5.5 |
| Iq per channel(Max)(mA) |
0.150 |
0.150 |
| GBW(Typ)(MHz) |
0.9 |
0.9 |
| Slew Rate(Typ)(V/us) |
0.4 |
0.4 |
| VIO (25 deg C)(Max)(mV) |
0.07 |
0.05 |
| Offset Drift(Typ)(uV/C) |
0.15 |
0.1 |
| IIB(Max)(pA) |
670 |
550 |
| CMRR(Min)(dB) |
100 |
100 |
| Vn at 1kHz(Typ)(nV/rtHz) |
20 |
20 |
| Rail-Rail |
In,Out |
In,Out |
| Io(Typ)(mA) |
10 |
10 |
| Rating |
Catalog |
Catalog |
| Offset Voltage (+/-)(Max)(mV) |
0.07 |
0.05 |
| Pin/Package |
8SOT-23 |
5SC70, 5SOT-23 |
| Approx. Price (US$) |
1.10 | 1ku |
0.70 | 1ku |
| Operating Temperature Range(C) |
-40 to 125 |
-40 to 125 |
OPA2378 特性
- LOW NOISE
- 0.4µVPP, 0.1Hz to 10Hz
- 20nV/√Hz at 1kHz
- ZERØ-DRIFT SERIES
- LOW OFFSET VOLTAGE: 20µV
- LOW OFFSET DRIFT: 0.1µV/°C
- QUIESCENT CURRENT: 125µA
- GAIN BANDWIDTH: 900kHz
- RAIL-TO-RAIL INPUT/OUTPUT
- EMI FILTERING
- SUPPLY VOLTAGE: 2.2V to 5.5V
- microSIZE PACKAGES: SC70 and SOT23
- APPLICATIONS
- PORTABLE MEDICAL DEVICES
- GLUCOSE METERS
- OXYGEN METERING
- HEART RATE MONITORS
- WEIGH SCALES
- BATTERY-POWERED INSTRUMENTS
- THERMOPILE MODULES
OPA2378 芯片订购指南
| 器件 |
状态 |
温度 |
价格（美元） |
封装 | 引脚 |
封装数量 | 封装载体 |
丝印标记 |
| OPA2378AIDCNR |
ACTIVE |
-40 to 125 |
1.10 | 1ku |
SOT-23 (DBV) | 5 |
3000 | LARGE T&R |
|
| OPA2378AIDCNT |
ACTIVE |
-40 to 125 |
1.30 | 1ku |
SOT-23 (DBV) | 5 |
250 | SMALL T&R |
|
OPA2378 质量与无铅数据
| 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 |
| OPA2378AIDBVR |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-2-260C-1 YEAR |
OPA2378AIDBVR |
OPA2378AIDBVR |
| OPA2378AIDBVT |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-2-260C-1 YEAR |
OPA2378AIDBVT |
OPA2378AIDBVT |
OPA2378 应用技术支持与电子电路设计开发资源下载
- OPA2378 数据资料 dataSheet 下载.PDF
- TI 德州仪器仪运算放大器 (Op Amp)产品选型与价格 . xls
- 所选封装材料的热学和电学性质 (PDF 645 KB)
- 高速数据转换 (PDF 1967 KB)
- 在 PSPICE 中使用德州仪器 (TI) SPICE 模型 (zhca088.HTM, 8 KB)
- PowerPAD™ Thermally Enhanced Package (slma002g.HTM, 8 KB)
- 运算放大器的单电源操作 (PDF 2174 KB)
- Tuning in Amplifiers (PDF 44 KB)
- Op Amp Performance Analysis (PDF 76 KB)
- An Error Analysis of the ISO102 in a Small Signal Measuring Application (PDF 29 KB)
- Level Shifting Signals with Differential Amplifiers (PDF 23 KB)
- Operational Amplifier Macromodels: A Comparison (PDF 59 KB)
OPA2378 工具与软件
