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OPA2680N PDF预览

OPA2680N

更新时间： 2024-11-30 02:58:35
品牌 Logo 应用领域
德州仪器 - TI 放大器
页数 文件大小 规格书
24页 409K
描述
Dual Wideband, Voltage Feedback OPERATIONAL AMPLIFIER With Disable

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OPA2680N 数据手册

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OPA690  
O
P
A
6
9
0
O
P
A
6
9
0
SBOS223A—DECEMBER 2001 – REVISED JULY 2002  
Wideband, Voltage Feedback  
OPERATIONAL AMPLIFIER With Disable  
FEATURES  
APPLICATIONS  
● FLEXIBLE SUPPLY RANGE:  
● VIDEO LINE DRIVER  
+5V to +12V Single Supply  
● xDSL LINE DRIVER/RECEIVER  
● HIGH SPEED IMAGING CHANNELS  
● ADC BUFFERS  
● PORTABLE INSTRUMENTS  
● TRANSIMPEDANCE AMPLIFIERS  
● ACTIVE FILTERS  
±2.5V to ±5V Dual Supply  
● UNITY-GAIN STABLE: 500MHz (G = 1)  
● HIGH OUTPUT CURRENT: 190mA  
● OUTPUT VOLTAGE SWING: ±4.0V  
● HIGH SLEW RATE: 1800V/µs  
● LOW SUPPLY CURRENT: 5.5mA  
● LOW DISABLED CURRENT: 100µA  
● OPA680 UPGRADE  
● WIDEBAND +5V OPERATION: 220MHz (G = 2)  
The OPA690’s low 5.5mA supply current is precisely trimmed  
at 25°C. This trim, along with low temperature drift, gives  
lower maximum supply current than competing products.  
System power may be reduced further using the optional  
disable control pin. Leaving this disable pin open, or holding  
it HIGH, will operate the OPA690 normally. If pulled LOW,  
the OPA690 supply current drops to less than 100µA while  
the output goes to a high impedance state. This feature may  
be used for power savings.  
DESCRIPTION  
The OPA690 represents a major step forward in unity-gain  
stable, voltage feedback op amps. A new internal architec-  
ture provides slew rate and full-power bandwidth previously  
found only in wideband current feedback op amps. A new  
output stage architecture delivers high currents with a  
minimal headroom requirement. These combine to give  
exceptional single-supply operation. Using a single +5V  
supply, the OPA690 can deliver a 1V to 4V output swing  
with over 150mA drive current and 150MHz bandwidth.  
This combination of features makes the OPA690 an ideal  
RGB line driver or single-supply Analog-to-Digital Con-  
OPA690 RELATED PRODUCTS  
SINGLES  
DUALS  
TRIPLES  
Voltage Feedback  
Current Feedback  
Fixed Gain  
OPA680  
OPA691  
OPA692  
OPA2690  
OPA2691  
OPA2682  
OPA3690  
OPA3691  
OPA3692  
verter (ADC) input driver.  
+5V  
R1  
3.3V  
R1  
2.5V  
R4  
20Ω  
3
2
8
OPA690  
4
THS1040  
AIN+  
C2  
0.1µF  
C1  
R2  
C3  
20pF  
VI  
10-Bit  
40MSPS  
AIN–  
R5  
20Ω  
C6  
20pF  
R3  
C4  
10µF  
VREF = 1V  
C5  
0.1µF  
Single-Supply ADC Driver  
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.  
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.  
Copyright © 2001, Texas Instruments Incorporated  
www.ti.com  
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OPA2680N 替代型号

型号 品牌 替代类型 描述 数据表
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