OPA211-HT 高温 1.1nV/rtHz 噪声、低功耗精密运算放大器 | 德州仪器 TI.com.cn

OPA211-HT (正在供货)

高温 1.1nV/rtHz 噪声、低功耗精密运算放大器

高温 1.1nV/rtHz 噪声、低功耗精密运算放大器 - OPA211-HT


The OPA211 series of precision operational amplifiers achieves very low 1.1 nV/√Hz noise density with a supply current of only 3.6 mA. 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 700-ns settling time to 16-bit accuracy throughout 10-V output swings. This ac performance, combined with only 240-µV of offset and 0.35-µV/°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).

The OPA211 series is specified over a wide dual-power supply range of ±2.25 V to ±18 V, or for single-supply operation from 4.5 V to 36 V.

This series of op amps is specified from TA = –55°C to 210°C.


  • Low Voltage Noise: 1.1 nV/√Hz at 1 kHz
  • Input Voltage Noise:
    80 nVPP (0.1 Hz to 10 Hz)
  • THD+N: –136dB (G = 1, f = 1 kHz)
  • Offset Voltage: 240 µV (max)
  • Offset Voltage Drift: 0.35 µV/°C (typ)
  • Low Supply Current: 6 mA/Ch (typ)
  • Unity-Gain Stable
  • Gain Bandwidth Product:
    80 MHz (G = 100)
    45 MHz (G = 1)
  • Slew Rate: 27 V/µs
  • 16-Bit Settling: 700 ns
  • Wide Supply Range:
    ±2.25 V to ±18 V, 4.5 V to 36 V
  • Rail-to-rail output
  • Output current: 30 mA
    • Down-Hole Drilling
    • High Temperature Environments
    • Controlled Baseline
    • One Assembly/Test Site
    • One Fabrication Site
    • Available in Extreme (–55°C/210°C)
      Temperature Range(1)
    • Extended Product Life Cycle
    • Extended Product-Change Notification
    • Product Traceability
    • Texas Instruments high temperature products
      utilize highly optimized silicon (die)
      solutions with design and process enhancements
      to maximize performance over extended

(1) Custom temperature ranges available
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Part number 立即下单 Number of channels (#) Total supply voltage (Min) (+5V=5, +/-5V=10) Total supply voltage (Max) (+5V=5, +/-5V=10) GBW (Typ) (MHz) Slew rate (Typ) (V/us) Rail-to-rail Vos (offset voltage @ 25 C) (Max) (mV) Offset drift (Typ) (uV/C) Iq per channel (Typ) (mA) Vn at 1 kHz (Typ) (nV/rtHz) CMRR (Typ) (dB) Rating Operating temperature range (C) Package Group Package size: mm2:W x L (PKG) Input bias current (Max) (pA) Output current (Typ) (mA) Features Architecture
OPA211-HT 立即下单 1     4.5     36     45     27     Out     0.26     0.15     3.6     1.1     120     High Temp     -55 to 210     CFP | 8     See datasheet (CFP)     125000     30     Shutdown     Bipolar