LMH6629 Ultra-Low Noise, High-Speed Operational Amplifier with Shutdown | TIJ.co.jp

LMH6629
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Ultra-Low Noise, High-Speed Operational Amplifier with Shutdown

 

推奨代替製品

  • LMH6624  -  超低消費電力、広帯域オペ・アンプ
  • LMH6628  -  デュアル、広帯域、低雑音、電圧帰還型オペアンプ
  • LMH6654  -  低消費電力、250NHz、低ノイズ・オペ・アンプ

概要

The LMH6629 is a high-speed, ultra-low noise amplifier designed for applications requiring wide bandwidth with high gain and low noise such as in communication, test and measurement, optical and ultrasound systems.

The LMH6629 operates on 2.7-V to 5.5-V supply with an input common mode range that extends below ground and outputs that swing to within 0.8 V of the rails for ease of use in single supply applications. Heavy loads up to ±250 mA can be driven by high-frequency large signals with the LMH6629’s –3dB bandwidth of 900 MHz and 1600 V/µs slew rate. The LMH6629 (WSON-8 package only) has user-selectable internal compensation for minimum gains of 4 or 10 controlled by pulling the COMP pin low or high, thereby avoiding the need for external compensation capacitors required in competitive devices. Compensation for the SOT-23-5 package is internally set for a minimum stable gain of 10 V/V. The WSON-8 package also provides the power-down enable/disable feature.

The low-input noise (0.69 nV/√Hz and 2.6 pA/√Hz), low distortion (HD2/HD3 = −90 dBc/−94 dBc) and ultra-low DC errors (800 µV VOS maximum over temperature, ±0.45 µV/°C drift) allow precision operation in both ac- and dc-coupled applications.

The LMH6629 is fabricated in Texas Instruments’ proprietary SiGe process and is available in a 3 mm × 3 mm 8-pin WSON package as well as the SOT-23-5 package.

特長

  • Specified for VS = 5 V, RL = 100 Ω, AV = 10V/V
    WSON-8 Package, unless Specified. –3dB
    Bandwidth 900 MHz
  • Input Voltage Noise 0.69 nV/√Hz
  • Input Offset Voltage Max. Over Temperature
    ±0.8 mV
  • Slew Rate 1600 V/ µs
  • HD2 @ f = 1 MHz, 2VPP −90 dBc
  • HD3 @ f = 1 MHz, 2VPP −94 dBc
  • Supply Voltage Range 2.7 V to 5.5 V
  • Typical Supply Current 15.5 mA
  • Selectable Min. Gain ≥4 or ≥10 V/V
  • Enable Time: 75 ns
  • Output Current ±250 mA
  • WSON-8 and SOT-23-5 Packages

機能一覧

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Part number オーダー・オプション Architecture Number of channels (#) Total supply voltage (Min) (+5V=5, +/-5V=10) Total supply voltage (Max) (+5V=5, +/-5V=10) GBW (Typ) (MHz) BW @ Acl (MHz) Acl, min spec gain (V/V) Slew rate (Typ) (V/us) Vn at flatband (Typ) (nV/rtHz) Vn at 1 kHz (Typ) (nV/rtHz) Iq per channel (Typ) (mA) Vos (offset voltage @ 25 C) (Max) (mV) Rail-to-rail Features Rating Operating temperature range (C) Package Group Package size: mm2:W x L (PKG) CMRR (Typ) (dB) Input bias current (Max) (pA) Offset drift (Typ) (uV/C) Output current (Typ) (mA) 2nd harmonic (dBc) 3rd harmonic (dBc) @ MHz
LMH6629 ご注文 Voltage FB     1     2.7     5.5     4000     900     4     1100     0.69     0.69     15.5     0.78     No     Shutdown
Decompensated    
Catalog     -40 to 125     SOT-23 | 5
WSON | 8    
5SOT-23: 5 mm2: 1.6 x 2.9 (SOT-23 | 5)
8WSON: 9 mm2: 3 x 3 (WSON | 8)    
87     23000     0.45     250     88     74     1    
LMH6624 ご注文 Voltage FB     1     5     12     1800     150     10     400     0.92     0.92     12     0.5     No     Decompensated     Catalog     -40 to 125     SOIC | 8
SOT-23 | 5    
8SOIC: 19 mm2: 3.91 x 4.9 (SOIC | 8)
5SOT-23: 5 mm2: 1.6 x 2.9 (SOT-23 | 5)    
95     20000000     0.25     100     63     80     10    
LMH6628 ご注文 Voltage FB     2     5     12     200     300     1     550     2     2     9     2     No       Catalog     -40 to 85     SOIC | 8     8SOIC: 19 mm2: 3.91 x 4.9 (SOIC | 8)     62     20000000     5     85