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LMH6504

Texas Instruments
Part Number LMH6504
Manufacturer Texas Instruments
Description Variable Gain Amplifier
Published Jul 20, 2022
Detailed Description LMH6504 www.ti.com SNOSA96D – NOVEMBER 2003 – REVISED MARCH 2013 LMH6504 Wideband, Low Power, Variable Gain Amplifier...
Datasheet PDF File LMH6504 PDF File

LMH6504
LMH6504

Overview
LMH6504 www.
ti.
com SNOSA96D – NOVEMBER 2003 – REVISED MARCH 2013 LMH6504 Wideband, Low Power, Variable Gain Amplifier Check for Samples: LMH6504 FEATURES 1 •23 VS = ±5V, TA = 25°C, RF = 1 KΩ, RG = 100Ω, RL = 100Ω, AV = AVMAX = 9.
7V/V, Typical values unless specified.
• −3 dB BW 150 MHz • Gain control BW 150 MHz • Adjustment range (<10 MHz) 80 dB • Output offset voltage ±55 mV • Gain matching (limit) ±0.
42 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.
2V • Input Noise Voltage 4.
4 nV/√Hz • Input Noise Current 2.
6 pA/√Hz • THD (20 MHz, RL = 100Ω, VO = 2 VPP) −45 dBc • Replacement for CLC5523 APPLICATIONS • Variable attenuator • AGC • Voltage controlled filter • Video imaging processing DESCRIPTION The LMH™6504 is a wideband DC coupled voltage controlled gain stage followed by a high-speed current feedback Op Amp which can directly drive a low impedance load.
Gain adjustment range is 80 dB for up to 10 MHz by varying the gain control input voltage, VG.
Maximum gain is set by external components, and the gain can be reduced all the way to cut-off.
Power consumption is 110 mW with a speed of 150 MHz and a gain control bandwidth (BW) of 150 MHz.
Output referred DC offset voltage is less than 55 mV over the entire gain control voltage range.
Device-todevice gain matching is within ±0.
42 dB at maximum gain.
Furthermore, gain is tested over a wide range.
The output current feedback Op Amp allows high frequency large signals (Slew Rate > 1500 V/μs) and can also drive a heavy load current (60 mA).
Near ideal input characteristics (i.
e.
low input bias current, low offset, low pin 3 resistance) enable the device to be easily configured as an inverting amplifier as well (see Application Information section for details).
To provide ease of use when working with a single supply, VG range is set to be from 0V to +2V relative to the ground pin potential (pin 4).
VG in...


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