--- 產(chǎn)品詳情 ---
Architecture | Voltage FB |
Number of channels (#) | 2 |
Total supply voltage (Min) (+5V=5, +/-5V=10) | 3 |
Total supply voltage (Max) (+5V=5, +/-5V=10) | 12 |
GBW (Typ) (MHz) | 250 |
BW @ Acl (MHz) | 250 |
Acl, min spec gain (V/V) | 1 |
Slew rate (Typ) (V/us) | 400 |
Vn at flatband (Typ) (nV/rtHz) | 8 |
Vn at 1 kHz (Typ) (nV/rtHz) | 8 |
Iq per channel (Typ) (mA) | 1.1 |
Vos (offset voltage @ 25 C) (Max) (mV) | 5 |
Rail-to-rail | No |
Features | Shutdown |
Rating | Catalog |
Operating temperature range (C) | -40 to 85 |
CMRR (Typ) (dB) | 68 |
Input bias current (Max) (pA) | 1600000 |
Offset drift (Typ) (uV/C) | 35 |
Output current (Typ) (mA) | 40 |
2nd harmonic (dBc) | 84 |
3rd harmonic (dBc) | 89 |
Frequency of harmonic distortion measurement (MHz) | 1 |
- FLEXIBLE SUPPLY RANGE:
+3V to +12V Single Supply
±1.5V to ±6V Dual Supplies - UNITY-GAIN STABLE
- WIDEBAND +5V OPERATION: 90MHz
(G = 2V/V) - OUTPUT VOLTAGE SWING: ±4.1V
- HIGH SLEW RATE: 400V/μs
- LOW QUIESCENT CURRENT: 1.1mA/ch
- LOW DISABLE CURRENT: 30μA/ch
- APPLICATIONS
- VIDEO LINE DRIVING
- xDSL LINE DRIVERS/RECEIVERS
- HIGH-SPEED IMAGING CHANNELS
- ADC BUFFERS
- PORTABLE INSTRUMENTS
- TRANSIMPEDANCE AMPLIFIERS
- ACTIVE FILTERS
All other trademarks are the property of their respective owners
The OPA2890 represents a major step forward in unity-gain stable, voltage-feedback op amps. A new internal architecture provides slew rate and full-power bandwidth previously found only in wideband, current-feedback op amps. These capabilities give exceptional single-supply operation. Using a single +5V supply, the OPA2890 can deliver a 0.9V to 4.1V output swing with over 30mA drive current and 210MHz bandwidth. This combination of features makes the OPA2890 an ideal RGB line driver or single-supply analog-to-digital converter (ADC) input driver.
The low 1.1mA/ch supply current of the OPA2890 is precisely trimmed at +25°C. This trim, along with low temperature drift, ensures lower maximum supply current than competing products. System power may be reduced further using the optional disable control pin (MSOP-10 package only). Leaving this disable pin open, or holding it high, operates the OPA2890 normally. If pulled low, the OPA2890 supply current drops to less than 30μA/ch while the output goes into a high-impedance state.
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