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OPA3693

更新时间: 2024-09-29 04:35:43
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Triple, Ultra-Wideband, Fixed-Gain, VIDEO BUFFER with Disable

OPA3693 数据手册

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OPA3693  
SBOS353DECEMBER 2006  
Triple, Ultra-Wideband, Fixed-Gain,  
VIDEO BUFFER with Disable  
FEATURES  
DESCRIPTION  
650MHz BANDWIDTH (G = +2)  
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  
FIXED GAIN OF ±1 or +2  
OUTPUT VOLTAGE SWING: ±4.1V  
ULTRA-HIGH SLEW RATE: 2500V/µs  
3RD-ORDER INTERCEPT: > 40dBm  
(f < 50MHz)  
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.  
LOW POWER: 130mW/channel  
LOW DISABLED POWER: 0.4mW/channel  
APPLICATIONS  
MULTIPLE LINE VIDEO DISTRIBUTION  
AMPLIFIER (DA)  
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.  
PORTABLE INSTRUMENTS  
BROADBAND VIDEO LINE DRIVERS  
ADC BUFFERS  
HIGH-FREQUENCY ACTIVE FILTERS  
VR  
VG  
VB  
75W  
75W  
75W  
75W Cable  
1/3  
OPA3693  
75W  
75W  
75W  
RG-59  
300W  
300W  
300W  
300W  
OPA3693 RELATED PRODUCTS  
FEATURE  
SINGLES  
DUALS  
TRIPLES  
75W Cable  
1/3  
OPA3693  
Voltage  
Feedback  
OPA690  
OPA2690  
OPA3690  
RG-59  
Current  
Feedback  
300W  
OPA691  
OPA2691  
OPA3691  
Fixed Gain  
Fixed Gain  
>900MHz  
OPA692  
OPA693  
OPA695  
OPA3692  
75W Cable  
1/3  
OPA3693  
OPA2695  
OPA3695  
RG-59  
300W  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas  
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
All trademarks are the property of their respective owners.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2006, Texas Instruments Incorporated  

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