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OPA699IDR

更新时间: 2024-11-08 11:11:15
品牌 Logo 应用领域
德州仪器 - TI 放大器
页数 文件大小 规格书
33页 731K
描述
OPA699: 宽带、高增益限压放大器 | D | 8 | -40 to 85

OPA699IDR 数据手册

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OPA699  
O
P
A
6
9
9
www.ti.com  
SBOS261D – NOVEMBER 2002 – REVISED DECEMBER 2008  
Wideband, High Gain  
VOLTAGE LIMITING AMPLIFIER  
FEATURES  
APPLICATIONS  
HIGH LINEARITY NEAR LIMITING  
FAST RECOVERY FROM OVERDRIVE: 1ns  
LIMITING VOLTAGE ACCURACY: ±10mV  
–3dB BANDWIDTH (G = +6): 260MHz  
GAIN BANDWIDTH PRODUCT: 1000MHz  
STABLE FOR G +4V/V  
TRANSIMPEDANCE WITH FAST  
OVERDRIVE RECOVERY  
FAST LIMITING ADC INPUT DRIVER  
LOW PROP DELAY COMPARATOR  
NONLINEAR ANALOG SIGNAL  
PROCESSING  
DIFFERENCE AMPLIFIER  
IF LIMITING AMPLIFIER  
OPA689 UPGRADE  
SLEW RATE: 1400V/µs  
±5V AND +5V SUPPLY OPERATION  
LOW GAIN VERSION: OPA698  
the signal channel. Implementing the limiting function at the  
output, as opposed to the input, gives the specified limiting  
accuracy for any gain, and allows the OPA699 to be used in  
all standard op amp applications.  
DESCRIPTION  
The OPA699 is a wideband, voltage-feedback op amp that  
offers bipolar output voltage limiting, and is stable for gains  
+4. Two buffered limiting voltages take control of the output  
when it attempts to drive beyond these limits. This new  
output limiting architecture holds the limiter offset error to  
±10mV. The op amp operates linearly to within 20mV of the  
limits.  
Nonlinear analog signal processing circuits will benefit from  
the OPA699 sharp transition from linear operation to output  
limiting. The quick recovery time supports high-speed applica-  
tions.  
The OPA699 is available in an industry-standard pinout in an  
SO-8 package. For lower gain applications requiring output  
limiting with fast recovery, consider the OPA698.  
The combination of narrow nonlinear range and low limiting  
offset allows the limiting voltages to be set within 100mV of  
the desired linear output range. A fast 1ns recovery from  
limiting ensures that overdrive signals will be transparent to  
+5V  
VH  
OPA699  
VOUT  
VOUT = 2VIN  
VL  
5V  
RF  
750Ω  
RG  
374Ω  
VIN  
CS  
CF  
18pF  
4pF  
Low Gain, Improved SFDR Amplifier with Output Limiting  
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 Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
Copyright © 2002-2008, Texas Instruments Incorporated  
www.ti.com  

OPA699IDR 替代型号

型号 品牌 替代类型 描述 数据表
OPA699ID TI

类似代替

OPA699: 宽带、高增益限压放大器 | D | 8 | -40 to 85
OPA699IDRG4 TI

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OP-AMP, 7000uV OFFSET-MAX, 1000MHz BAND WIDTH, PDSO8, GREEN, PLASTIC, SOIC-8

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Single, 12-V, 1-MHz, low-offset operational amplifier | DBV | 5 | -40 to 85