OPA3693 Texas instruments

OPA3693

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OPA3693

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Описание

The OPA3693 provides an easy to use, broadband, triple, fixed-gain buffer amplifier. Depending on the external connections, the internal resistor network may be used to provide either a fixed gain of +2 video buffer or a gain of +1 or 1 voltage buffer. The OPA3693 offers a slew rate (2500V/µs) and bandwidth (> 800MHz) normally associated with a much higher supply current. A new output stage architecture delivers high output current with a minimal headroom and crossover distortion. This combination of features makes the OPA3693 an ideal RGB line driver or single-supply undersampling analog-to-digital converter (ADC) input driver. The OPA3693 13mA/channel supply current is precisely trimmed at +25°C. This trim, along with a low temperature drift, gives lower system power over temperature. System power can be further reduced using the optional disable control pin. Leaving this pin open, or holding it HIGH, gives normal operation. If pulled LOW, the OPA3693 supply current drops to less than 130µA/channel. This power-saving feature, along with exceptional single +5V operation, make the OPA3693 ideal for portable applications. The OPA3693 is available in an SSOP-16 package.

650MHz BANDWIDTH (G = +2)
FIXED GAIN OF ±1 or +2
OUTPUT VOLTAGE SWING: ±4.1V
ULTRA-HIGH SLEW RATE: 2500V/µs
3RD-ORDER INTERCEPT: > 40dBm
(f < 50MHz)
LOW POWER: 130mW/channel
LOW DISABLED POWER: 0.4mW/channel
APPLICATIONS
- MULTIPLE LINE VIDEO DISTRIBUTION AMPLIFIER (DA)
- PORTABLE INSTRUMENTS
- BROADBAND VIDEO LINE DRIVERS
- ADC BUFFERS
- HIGH-FREQUENCY ACTIVE FILTERS

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Architecture	Current FB
Number of channels	3
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V)	3.5
Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V)	12
GBW (typ) (MHz)	800
BW at Acl (MHz)	800
Acl, min spec gain (V/V)	1
Slew rate (typ) (V/µs)	2500
Vn at flatband (typ) (nV√Hz)	1.8
Vn at 1 kHz (typ) (nV√Hz)	3
Vos (offset voltage at 25°C) (max) (mV)	3.5
Rail-to-rail	No
Rating	Catalog
Operating temperature range (°C)	-40 to 85
Offset drift (typ) (µV/°C)	8
Iout (typ) (mA)	100
2nd harmonic (dBc)	69
3rd harmonic (dBc)	83
Frequency of harmonic distortion measurement (MHz)	10