OPA699 Datasheet: Voltage Limiting Amplifier





OPA699 Voltage Limiting Amplifier Datasheet

Part Number OPA699
Description Voltage Limiting Amplifier
Manufacture etcTI
Total Page 30 Pages
PDF Download Download OPA699 Datasheet PDF

Features: OPA699 OPA699 www.ti.com SBOS261D – NOVEMBER 2002 – REVISED DECEMBER 2008 Wideband, High Gain VOLTAGE LIMITING A MPLIFIER FEATURES q HIGH LINEARITY NEA R LIMITING q FAST RECOVERY FROM OVERDRI VE: 1ns q LIMITING VOLTAGE ACCURACY: ± 10mV q –3dB BANDWIDTH (G = +6): 260MH z q GAIN BANDWIDTH PRODUCT: 1000MHz q S TABLE FOR G ≥ +4V/V q SLEW RATE: 1400 V/µs q ±5V AND +5V SUPPLY OPERATION q LOW GAIN VERSION: OPA698 APPLICATIONS q TRANSIMPEDANCE WITH FAST OVERDRIVE R ECOVERY q FAST LIMITING ADC INPUT DRIVE R q LOW PROP DELAY COMPARATOR q NONLINE AR ANALOG SIGNAL PROCESSING q DIFFERENC E AMPLIFIER q IF LIMITING AMPLIFIER q O PA689 UPGRADE DESCRIPTION The OPA699 i s a wideband, voltage-feedback op amp t hat offers bipolar output voltage limit ing, and is stable for gains ≥ +4. Tw o buffered limiting voltages take contr ol of the output when it attempts to dr ive beyond these limits. This new outpu t limiting architecture holds the limit er offset error to ±10mV. The op amp operates linearly to within 20mV of the.

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OPA699
OPA699
www.ti.com
SBOS261D – NOVEMBER 2002 – REVISED DECEMBER 2008
Wideband, High Gain
VOLTAGE LIMITING AMPLIFIER
FEATURES
q HIGH LINEARITY NEAR LIMITING
q FAST RECOVERY FROM OVERDRIVE: 1ns
q LIMITING VOLTAGE ACCURACY: ±10mV
q –3dB BANDWIDTH (G = +6): 260MHz
q GAIN BANDWIDTH PRODUCT: 1000MHz
q STABLE FOR G +4V/V
q SLEW RATE: 1400V/µs
q ±5V AND +5V SUPPLY OPERATION
q LOW GAIN VERSION: OPA698
APPLICATIONS
q TRANSIMPEDANCE WITH FAST
OVERDRIVE RECOVERY
q FAST LIMITING ADC INPUT DRIVER
q LOW PROP DELAY COMPARATOR
q NONLINEAR ANALOG SIGNAL
PROCESSING
q DIFFERENCE AMPLIFIER
q IF LIMITING AMPLIFIER
q OPA689 UPGRADE
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.
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
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.
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.
RG
374
VIN
+5V
VH
OPA699
VL
5V
RF
750
VOUT
VOUT = 2VIN
CS
18pF
CF
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.
www.ti.com
Copyright © 2002-2008, Texas Instruments Incorporated

                    
                    






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