LMH6647 Series

Single Channel, 2.7V, 650µA, 55MHz, Rail-to-Rail Input and Output Amplifier with Shutdown

Catalog

Single Channel, 2.7V, 650µA, 55MHz, Rail-to-Rail Input and Output Amplifier with Shutdown

Part	Package / Case	Voltage - Supply Span (Max) [Max]	Current - Supply	Slew Rate	Amplifier Type	-3db Bandwidth	Mounting Type	Current - Output / Channel	Current - Input Bias	Voltage - Input Offset	Operating Temperature [Max]	Operating Temperature [Min]	Voltage - Supply Span (Min) [Min]	Number of Circuits	Output Type	Supplier Device Package	Package / Case [y]	Package / Case [x]
Texas Instruments LMH6647MFX	SOT-23-6	12 V	725 µA	22 V/µs	Voltage Feedback	55 MHz	Surface Mount	20 mA	650 nA	1 mV	85 °C	-40 °C	2.5 V	1	Push-Pull Rail-to-Rail	SOT-23-6
Texas Instruments LMH6647MF/NOPB	SOT-23-6	12 V	725 µA	22 V/µs	Voltage Feedback	55 MHz	Surface Mount	20 mA	650 nA	1 mV	85 °C	-40 °C	2.5 V	1	Push-Pull Rail-to-Rail	SOT-23-6
Texas Instruments LMH6647MA/NOPB	8-SOIC	12 V	725 µA	22 V/µs	Voltage Feedback	55 MHz	Surface Mount	20 mA	650 nA	1 mV	85 °C	-40 °C	2.5 V	1	Push-Pull Rail-to-Rail	8-SOIC	3.9 mm	0.154 in
Texas Instruments LMH6647MAX/NOPB	8-SOIC	12 V	725 µA	22 V/µs	Voltage Feedback	55 MHz	Surface Mount	20 mA	650 nA	1 mV	85 °C	-40 °C	2.5 V	1	Push-Pull Rail-to-Rail	8-SOIC	3.9 mm	0.154 in
Texas Instruments LMH6647MFX/NOPB	SOT-23-6	12 V	725 µA	22 V/µs	Voltage Feedback	55 MHz	Surface Mount	20 mA	650 nA	1 mV	85 °C	-40 °C	2.5 V	1	Push-Pull Rail-to-Rail	SOT-23-6
Texas Instruments LMH6647MF	SOT-23-6	12 V	725 µA	22 V/µs	Voltage Feedback	55 MHz	Surface Mount	20 mA	650 nA	1 mV	85 °C	-40 °C	2.5 V	1	Push-Pull Rail-to-Rail	SOT-23-6
Texas Instruments LMH6647MAX	8-SOIC	12 V	725 µA	22 V/µs	Voltage Feedback	55 MHz	Surface Mount	20 mA	650 nA	1 mV	85 °C	-40 °C	2.5 V	1	Push-Pull Rail-to-Rail	8-SOIC	3.9 mm	0.154 in

Catalog

Single Channel, 2.7V, 650µA, 55MHz, Rail-to-Rail Input and Output Amplifier with Shutdown

Key Features

• (VS= 2.7V, TA= 25°C, RL= 1kΩ to V+/2, AV= +1.Typical Values Unless Specified.−3dB BW 55 MHzSupply Voltage Range 2.5 V to 12 VSlew Rate 22 V/µsSupply Current 650 µA/channelOutput Short Circuit Current 42 mALinear Output Current ±20 mAInput Common Mode Voltage 0.3 V Beyond RailsOutput Voltage Swing 20 mV from RailsInput Voltage Noise 17 nV/√HzInput Current Noise 0.75 pA/√Hz(VS= 2.7V, TA= 25°C, RL= 1kΩ to V+/2, AV= +1.Typical Values Unless Specified.−3dB BW 55 MHzSupply Voltage Range 2.5 V to 12 VSlew Rate 22 V/µsSupply Current 650 µA/channelOutput Short Circuit Current 42 mALinear Output Current ±20 mAInput Common Mode Voltage 0.3 V Beyond RailsOutput Voltage Swing 20 mV from RailsInput Voltage Noise 17 nV/√HzInput Current Noise 0.75 pA/√Hz

Description

The LMH6645 (single) and LMH6646 (dual), rail-to-rail input and output voltage feedback amplifiers, offer high speed (55 MHz), and low voltage operation (2.7 V) in addition to micro-power shutdown capability (LMH6647, single). Input common mode voltage range exceeds either supply by 0.3 V, enhancing ease of use in multitude of applications where previously only inferior devices could be used. Output voltage range extends to within 20 mV of either supply rails, allowing wide dynamic range especially in low voltage applications. Even with low supply current of 650 µA/amplifier, output current capability is kept at a respectable ±20 mA for driving heavier loads. Important device parameters such as BW, Slew Rate and output current are kept relatively independent of the operating supply voltage by a combination of process enhancements and design architecture. In portable applications, the LMH6647 provides shutdown capability while keeping the turn-off current to less than 50 µA. Both turn-on and turn-off characteristics are well behaved with minimal output fluctuations during transitions. This allows the part to be used in power saving mode, as well as multiplexing applications. Miniature packages (SOT-23, VSSOP-8, and SOIC-8) are further means to ease the adoption of these low power high speed devices in applications where board area is at a premium. The LMH6645 (single) and LMH6646 (dual), rail-to-rail input and output voltage feedback amplifiers, offer high speed (55 MHz), and low voltage operation (2.7 V) in addition to micro-power shutdown capability (LMH6647, single). Input common mode voltage range exceeds either supply by 0.3 V, enhancing ease of use in multitude of applications where previously only inferior devices could be used. Output voltage range extends to within 20 mV of either supply rails, allowing wide dynamic range especially in low voltage applications. Even with low supply current of 650 µA/amplifier, output current capability is kept at a respectable ±20 mA for driving heavier loads. Important device parameters such as BW, Slew Rate and output current are kept relatively independent of the operating supply voltage by a combination of process enhancements and design architecture. In portable applications, the LMH6647 provides shutdown capability while keeping the turn-off current to less than 50 µA. Both turn-on and turn-off characteristics are well behaved with minimal output fluctuations during transitions. This allows the part to be used in power saving mode, as well as multiplexing applications. Miniature packages (SOT-23, VSSOP-8, and SOIC-8) are further means to ease the adoption of these low power high speed devices in applications where board area is at a premium.