LMH6714MA - Brand New Texas Instruments Video Amplifiers
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Description
The LMH6714MA is a wideband DC-coupled voltage controlled gain stage followed by a high-speed current feedback operational amplifier. It is designed for video amplification applications, providing a maximum gain of 80 dB up to 10 MHz. The gain can be adjusted by varying the gain control input voltage. The power consumption is 110 mW with a speed of 150 MHz and a gain control bandwidth of 100 MHz. It has a low output referred DC offset voltage of less than 55 mV over the entire gain control voltage range. The device-to-device gain matching is within ±0.5 dB at maximum gain. The LMH6714MA also features a high-frequency large signal driving capability with a slew rate of 1500 V/μs and a heavy load current driving capability of 60 mA. It has near ideal input characteristics, making it easy to configure as an inverting amplifier.
Specifications and features
Some key specifications and features of the LMH6714MA include:
- −3 dB bandwidth: 150 MHz
- Gain control bandwidth: 100 MHz
- Adjustment range (<10 MHz): 80 dB
- Gain matching (limit): ±0.5 dB
- Supply voltage range: 7V to 12V
- Slew rate (inverting): 1500 V/μs
- Supply current (no load): 11 mA
- Linear output current: ±60 mA
- Output voltage swing: ±2.4V
- Input noise voltage: 4.4 nV/√Hz
- Input noise current: 2.6 pA/√Hz
- THD (20 MHz, RL = 100Ω, VO = 2 VPP): −45 dBc
Application Scenarios
The LMH6714MA is commonly used in the following applications:
- Variable attenuator
- Automatic Gain Control (AGC)
- Voltage controlled filter
- Video imaging processing
Comparison
Advantages- Wide bandwidth of 150 MHz
- High gain adjustment range of 80 dB
- Low output DC offset voltage
- Device-to-device gain matching within ±0.5 dB
- High-frequency large signal driving capability
- Heavy load current driving capability
Disadvantages- None specified
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Datasheet
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- Last Updated: 2024/06/03 03:21 +0800
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