深圳市中立信电子科技有限公司

1 Features 3 Description

1(V The LMH664X family true single supply voltage S = ±5 V, TA = 25°C, RL = 2 kΩ, AV = +1.

Typical Values Unless Specified). feedback amplifiers offer high speed (130 MHz), low

distortion (−62 dBc), and exceptionally high output

• −3 dB BW (AV = +1) 130 MHz current (approximately 75 mA) at low cost and with

• Supply Voltage Range 2.7 V to 12.8 V reduced power consumption when compared against

existing devices with similar performance. • Slew Rate, (AV = −1) 130V/μs

(1)

• Supply Current (no load) 2.7 mA/amp Input common mode voltage range extends to 0.5 V

below V

− and 1 V from V

+

. Output voltage range • Output Short Circuit Current +115 mA to 145 mA

extends to within 40 mV of either supply rail, allowing

• Linear Output Current ±75 mA wide dynamic range especially desirable in low

• Input Common Mode Volt. 0.5 V Beyond V

−

, 1 V voltage applications. The output stage is capable of

from V

+

approximately 75 mA in order to drive heavy loads.

• Output Voltage Swing 40 mV from Rails Fast output Slew Rate (130 V/μs) ensures large

peak-to-peak output swings can be maintained even

• Input Voltage Noise (100 kHz) 17nV/√Hz at higher speeds, resulting in exceptional full power

• Input Current Noise (100 kHz) 0.9pA/√Hz bandwidth of 40 MHz with a 3 V supply. These

• THD (5MHz, R characteristics, along with low cost, are ideal features L = 2kΩ, VO = 2VPP, AV = +2) −62

dBc for a multit
2 Applications • Active Filters Closed Loop Gain vs. Frequency for Various Supplies • CD/DVD ROM • ADC Buffer Amp • Portable Video • Current Sense Buffer