OPA2211A 1.1nV/rtHz 噪声、低功耗精密运算放大器
The OPA211 series of precision operational amplifiers achieves very low 1.1nV/
Hz noise density with a supply current of only 3.6mA. This series also offers rail-to-rail output swing, which maximizes dynamic range.
The extremely low voltage and low current noise, high speed, and wide output swing of the OPA211 series make these devices an excellent choice as a loop filter amplifier in PLL applications.
In precision data acquisition applications, the OPA211 series of op amps provides 700ns settling time to 16-bit accuracy throughout 10V output swings. This ac performance, combined with only 125µV of offset and 0.35µV/°C of drift over temperature, makes the OPA211 ideal for driving high-precision 16-bit analog-to-digital converters (ADCs) or buffering the output of high-resolution digital-to-analog converters (DACs).
| OPA211 | OPA211A | OPA2211A | |
| Number of Channels | 1 | 1 | 2 |
| Total Supply Voltage (V)(Min)(+5V=5, +/-5V=10) | 4.5 | 4.5 | 4.5 |
| Total Supply Voltage (V)(Max)(+5V=5, +/-5V=10) | 36 | 36 | 36 |
| Iq per channel(Max)(mA) | 4.5 | 4.5 | 4.5 |
| GBW(Typ)(MHz) | 45 | 45 | 45 |
| Slew Rate(Typ)(V/us) | 27 | 27 | 27 |
| VIO (25 deg C)(Max)(mV) | 0.05 | 0.125 | 0.150 |
| Offset Drift(Typ)(uV/C) | 0.15 | 0.35 | 0.35 |
| IIB(Max)(pA) | 125000 | 175000 | 175000 |
| CMRR(Min)(dB) | 114 | 114 | 114 |
| Vn at 1kHz(Typ)(nV/rtHz) | 1.1 | 1.1 | 1.1 |
| Rail-Rail | Out | Out | Out |
| Rating | Catalog | Catalog | Catalog |
| Offset Voltage (+/-)(Max)(mV) | 0.05 | 0.125 | 0.15 |
| Pin/Package | 8MSOP, 8SOIC, 8SON | 8MSOP, 8SOIC, 8SON | 8SO PowerPAD, 8SON |
| Approx. Price (US$) | 5.15 | 1ku | 3.45 | 1ku | 5.20 | 1ku |
| Operating Temperature Range(C) | -40 to 125 | -40 to 125 | -40 to 125 |
OPA2211A 特性
- LOW VOLTAGE NOISE: 1.1nV/Hz at 1kHz
- INPUT VOLTAGE NOISE: 80nVPP (0.1Hz to 10Hz)
- THD+N: -136dB (G = 1, f = 1kHz)
- OFFSET VOLTAGE: 125µV (max)
- OFFSET VOLTAGE DRIFT: 0.35µV/°C (typ)
- LOW SUPPLY CURRENT: 3.6mA/Ch (typ)
- UNITY-GAIN STABLE
- GAIN BANDWIDTH PRODUCT: 80MHz (G = 100) 45MHz (G = 1)
- SLEW RATE: 27V/µs
- 16-BIT SETTLING: 700ns
- WIDE SUPPLY RANGE: ±2.25V to ±18V, +4.5V to +36V
- RAIL-TO-RAIL OUTPUT
- OUTPUT CURRENT: 30mA
- DFN-8 (3mm × 3mm), MSOP-8, AND SO-8
- APPLICATIONS
- PLL LOOP FILTER
- LOW-NOISE, LOW-POWER SIGNAL PROCESSING
- 16-BIT ADC DRIVERS
- DAC OUTPUT AMPLIFIERS
- ACTIVE FILTERS
OPA2211A 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 |
| OPA2211AIDDA | ACTIVE | -40 to 125 | 6.25 | 1ku | SO PowerPAD (DDA) | 8 | 75 | TUBE | |
| OPA2211AIDDAR | ACTIVE | -40 to 125 | 5.20 | 1ku | SO PowerPAD (DDA) | 8 | 2500 | LARGE T&R | |
| OPA2211AIDRGR | ACTIVE | -40 to 125 | 5.20 | 1ku | SON (DRG) | 8 | 1000 | LARGE T&R | |
| OPA2211AIDRGT | ACTIVE | -40 to 125 | 6.00 | 1ku | SON (DRG) | 8 | 250 | SMALL T&R |
OPA2211A 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 |
| OPA2211AIDDA | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | OPA2211AIDDA | OPA2211AIDDA |
| OPA2211AIDDAR | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | OPA2211AIDDAR | OPA2211AIDDAR |
| OPA2211AIDRGR | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-2-260C-1 YEAR | OPA2211AIDRGR | OPA2211AIDRGR |
| OPA2211AIDRGT | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-2-260C-1 YEAR | OPA2211AIDRGT | OPA2211AIDRGT |
OPA2211A 应用技术支持与电子电路设计开发资源下载
- OPA2211A 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)
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- 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)
