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Excalibur 低噪声高速精密解补偿运算放大器
Number of channels (#) 1
Total supply voltage (Max) (+5V=5, +/-5V=10) 38
Total supply voltage (Min) (+5V=5, +/-5V=10) 8
Vos (offset voltage @ 25 C) (Max) (mV) 0.025
GBW (Typ) (MHz) 50
Features Decompensated
Slew rate (Typ) (V/us) 7.5
Rail-to-rail No
Offset drift (Typ) (uV/C) 0.4
Iq per channel (Typ) (mA) 3.8
Vn at 1 kHz (Typ) (nV/rtHz) 7.5
CMRR (Typ) (dB) 131
Rating Automotive
Operating temperature range (C) -55 to 125
Input bias current (Max) (pA) 90000
Output current (Typ) (mA) 50
Architecture Bipolar
THD + N @ 1 kHz (Typ) (%) 0.002
  • Outstanding Combination of dc Precision and AC Performance:
    • Unity-Gain Bandwidth . . . 15 MHz Typ
    • Vn . . . . .
      • 3.3 nV/Hz at f = 10 Hz Typ,
      • 2.5 nV/Hz at f = 1 kHz Typ
    • VIO . . . . 25 μV Max
    • AVD . . . . 45 V/μV Typ With RL = 2 k,
    • 19 V/μV Typ With RL = 600
  • Available in Standard-Pinout Small-Outline Package
  • Output Features Saturation Recovery Circuitry
  • Macromodels and Statistical information

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The TLE20x7 and TLE20x7A contain innovative circuit design expertise and high-quality process control techniques to produce a level of ac performance and dc precision previously unavailable in single operational amplifiers. Manufactured using Texas Instruments state-of-the-art Excalibur process, these devices allow upgrades to systems that use lower-precision devices.

In the area of dc precision, the TLE20x7 and TLE20x7A offer maximum offset voltages of 100 μV and 25 μV, respectively, common-mode rejection ratio of 131 dB (typ), supply voltage rejection ratio of 144 dB (typ), and dc gain of 45 V/μV (typ).

The ac performance of the TLE2027 and TLE2037 is highlighted by a typical unity-gain bandwidth specification of 15 MHz, 55° of phase margin, and noise voltage specifications of 3.3 nV/Hz and 2.5 nV/Hz at frequencies of 10 Hz and 1 kHz respectively. The TLE2037 and TLE2037A have been decompensated for faster slew rate (?7.5 V/μs, typical) and wider bandwidth (50 MHz). To ensure stability, the TLE2037 and TLE2037A should be operated with a closed-loop gain of 5 or greater.

Both the TLE20x7 and TLE20x7A are available in a wide variety of packages, including the industry-standard 8-pin small-outline version for high-density system applications. The C-suffix devices are characterized for operation from 0°C to 70°C. The I-suffix devices are characterized for operation from ?40°C to 105°C. The M-suffix devices are characterized for operation over the full military temperature range of ?55°C to 125°C.