LMH6574 Texas instruments

LMH6574

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LMH6574

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Описание

The LMH6574 is a high-performance analog multiplexer optimized for professional grade video and other high fidelity high bandwidth analog applications. The output amplifier selects any one of four buffered input signals based on the state of the two address bits. The LMH6574 provides a 400-MHz bandwidth at 2 VPP output signal levels. Multimedia and high definition television (HDTV) applications can benefit from the LMH6574 0.1 dB bandwidth of 150 MHz and its 2200 V/µs slew rate.The LMH6574 supports composite video applications with its 0.02% and 0.05° differential gain and phase errors for NTSC and PAL video signals while driving a single, back terminated 75-Ω load. An 80-mA linear output current is available for driving multiple video load applications.The LMH6574 gain is set by external feedback and gain set resistors for maximum flexibility.The LMH6574 is available in the 14-pin SOIC package.

500 MHz, 500 mV −3 dB Bandwidth, A_V = 2
400 MHz, 2 V_PP −3 dB Bandwidth, A_V = 2
8 ns Channel Switching Time
70 dB Channel to Channel Isolation at 10 MHz
0.02%, 0.05° Diff. Gain, Phase
0.1 dB Gain Flatness to 150 MHz
2200 V/µs Slew Rate
Wide Supply Voltage Range: 6 V (±3 V) to 12 V (±6 V)
−68 dB HD2 at 5 MHz
−84 dB HD3 at 5 MHz

Architecture	Current FB
Number of channels	4
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V)	6
Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V)	12
BW at Acl (MHz)	500
Acl, min spec gain (V/V)	1
Slew rate (typ) (V/µs)	2200
Vn at flatband (typ) (nV√Hz)	5
Iq per channel (typ) (mA)	12
Vos (offset voltage at 25°C) (max) (mV)	20
Features	Integrated multiplexer, Shutdown
Rating	Catalog
Operating temperature range (°C)	-40 to 85
Input bias current (max) (pA)	5200000
Offset drift (typ) (µV/°C)	30
Iout (typ) (mA)	80
2nd harmonic (dBc)	-68
3rd harmonic (dBc)	-84
Frequency of harmonic distortion measurement (MHz)	5