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Burr-Brown - Low-Power / Single-Supply / Wideband Operational Amplifier

Numéro de référence OPA4820
Description Low-Power / Single-Supply / Wideband Operational Amplifier
Fabricant Burr-Brown 
Logo Burr-Brown 





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OPA4820 fiche technique
OPA4820
SBOS317C − SEPTEMBER 2004 − REVISED JUNE 2006
Quad, Unity-Gain Stable, Low-Noise,
Voltage-Feedback Operational Amplifier
FEATURES
DESCRIPTION
D HIGH BANDWIDTH: 220MHz (G = +2)
D HIGH OUTPUT CURRENT: ±85mA
D LOW INPUT NOISE: 2.5nV/Hz
D LOW SUPPLY CURRENT: 5.7mA/ch
D FLEXIBLE SUPPLY VOLTAGE:
±2V to ±6.3V Dual Supply
+4V to +12.6V Single Supply
D EXCELLENT DC ACCURACY:
Maximum 25°C Input Offset Voltage = 0.8mV
Maximum 25°C Input Offset Current = 500nA
The OPA4820 provides a wideband, unity-gain stable,
voltage-feedback amplifier with a very low input noise
voltage and high output current using a low 5.7mA/ch
supply current. At unity-gain, the OPA4820 gives
> 600MHz bandwidth with < 1 dB peaking. The OPA4820
complements this high-speed operation with excellent DC
precision in a low-power device. A worst-case input offset
voltage of ±0.8mV and an offset current of ±500nA give
excellent absolute DC precision for pulse amplifier
applications.
Minimal input and output voltage swing headroom allow
the OPA4820 to operate on a single +5V supply with
APPLICATIONS
D LOW-COST VIDEO LINE DRIVERS
D ADC PREAMPS
> 2VPP output swing. While not a rail-to-rail (RR) output,
this swing will support most emerging analog-to-digital
converter (ADC) input ranges with lower power and noise
than typical RR output op amps.
D ACTIVE FILTERS
D LOW-NOISE INTEGRATORS
D PORTABLE TEST EQUIPMENT
D OPTICAL CHANNEL AMPLIFIERS
D LOW-POWER, BASEBAND AMPLIFIERS
Exceptionally low dG/dP (0.01%/0.03°) supports low-cost
composite video line driver applications. Existing designs
can use the industry-standard quad pinout SO-14 package
while emerging high-density portable applications can use
the TSSOP-14.
D CCD IMAGING CHANNEL AMPLIFIERS
RELATED PRODUCTS
D OPA4650 UPGRADE
+12V
10k
1/4
OPA4820
SINGLES
OPA354
OPA690
OPA820
DUALS
OPA2354
OPA2690
OPA2652
OPA2822
TRIPLES
OPA3690
QUADS
OPA4354
FEATURES
CMOS RR Output
High Slew Rate
SOT23-8
Low-Noise
Single Channel
402
501:1
Transmit
Filter
2VPP
+6V
VCM
133
402
14VPP
50
10010dBm
Line 3.5 Crest Factor
10k
1/4
OPA4820
AFE
800
1/4
OPA4820
VCM
800
402
402
Receiver
Filter
402
402
1/4
OPA4820
VCM
Low-Noise Transceiver Interface
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 2004−2006, Texas Instruments Incorporated
www.ti.com

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