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OPA692IDR PDF预览

OPA692IDR

更新时间: 2024-11-09 04:35:39
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页数 文件大小 规格书
26页 499K
描述
Wideband, Fixed Gain Video BUFFER AMPLIFIER With Disable

OPA692IDR 数据手册

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OPA692  
O
P
A
6
9
2
O
P
A
6
9
2
SBOS236C – MARCH 2002 – REVISED JANUARY 2003  
Wideband, Fixed Gain  
Video BUFFER AMPLIFIER With Disable  
FEATURES  
FLEXIBLE SUPPLY RANGE:  
+5V to +12V Single Supply  
±2.5V to ±6V Dual Supplies  
DESCRIPTION  
The OPA692 provides an easy to use, broadband fixed gain  
video buffer amplifier. Depending on the external connec-  
tions, 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. Operating on a very low 5.1mA supply cur-  
rent, the OPA692 offers a slew rate and output power  
normally associated with a much higher supply current. A  
new output stage architecture delivers high output current  
with minimal headroom and crossover distortion. This gives  
exceptional single-supply operation. Using a single +5V  
supply, the OPA692 can deliver a 1V to 4V output swing with  
over 120mA drive current and > 200MHz bandwidth. This  
combination of features makes the OPA692 an ideal RGB  
line driver or single-supply Analog-to-Digital Converter (ADC)  
input driver.  
INTERNALLY FIXED GAIN: +2 or ±1  
HIGH BANDWIDTH (G = +2): 225MHz  
LOW SUPPLY CURRENT: 5.1mA  
LOW DISABLED CURRENT: 150µA  
HIGH OUTPUT CURRENT: 190mA  
OUTPUT VOLTAGE SWING: ±4.0V  
SOT23-6 AVAILABLE  
APPLICATIONS  
BROADBAND VIDEO LINE DRIVERS  
MULTIPLE LINE VIDEO DA  
PORTABLE INSTRUMENTS  
ADC BUFFERS  
The low 5.1mA supply current for the OPA692 is precisely  
trimmed at +25°C. This trim, along with low drift over tem-  
perature, ensures a lower maximum supply current than  
competing products that report only a room temperature  
nominal supply current. System power may be further re-  
duced by using the optional disable control pin. Leaving this  
disable pin open, or holding it HIGH, gives normal operation.  
If pulled LOW, the OPA692 supply current drops to less than  
150µA while the I/O pins go into a high-impedance state.  
ACTIVE FILTERS  
OPA692 RELATED PRODUCTS  
SINGLES  
OPA690  
OPA691  
OPA682  
DUALS  
OPA2690  
OPA2691  
OPA2682  
TRIPLES  
OPA3690  
OPA3691  
OPA3692  
Voltage-Feedback  
Current-Feedback  
Fixed Gain  
75Ω  
Video  
OPA692  
Out  
RG-59  
RG-59  
RG-59  
RG-59  
75Ω  
75Ω  
75Ω  
75Ω  
1
2
3
4
8
7
6
5
DIS  
75Ω  
75Ω  
75Ω  
+5V  
Video  
In  
5V  
75Ω  
SO-8  
G = +2  
225MHz, 4-Output Component Video DA  
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.  
Copyright © 2002-2003, Texas Instruments Incorporated  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
www.ti.com  

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