OPA4820 Series

Quad, Unity-Gain, Low-Noise, Voltage-Feedback Operational Amplifier

Catalog

Quad, Unity-Gain, Low-Noise, Voltage-Feedback Operational Amplifier

Part	Voltage - Supply Span (Min) [Min]	-3db Bandwidth	Output Type	Slew Rate	Package / Case [x]	Package / Case [y]	Package / Case	Current - Output / Channel	Voltage - Supply Span (Max) [Max]	Number of Circuits	Voltage - Input Offset	Current - Supply	Current - Input Bias	Gain Bandwidth Product	Mounting Type	Operating Temperature [Max]	Operating Temperature [Min]	Amplifier Type	Supplier Device Package	Package / Case [custom]	Package / Case [custom]
Texas Instruments OPA4820ID	4 V	650 MHz	Differential	240 V/µs	0.154 in	3.9 mm	14-SOIC	85 mA	12.6 V	4	250 çV	22.6 mA	9 µA	250 MHz	Surface Mount	85 °C	-40 °C	Voltage Feedback
Texas Instruments OPA4820IPWR	4 V	650 MHz	Differential	240 V/µs			14-TSSOP	85 mA	12.6 V	4	250 çV	22.6 mA	9 µA	250 MHz	Surface Mount	85 °C	-40 °C	Voltage Feedback	14-TSSOP	0.173 "	4.4 mm
Texas Instruments OPA4820IDG4	4 V	650 MHz	Differential	240 V/µs	0.154 in	3.9 mm	14-SOIC	85 mA	12.6 V	4	250 çV	22.6 mA	9 µA	250 MHz	Surface Mount	85 °C	-40 °C	Voltage Feedback
Texas Instruments OPA4820IPWT	4 V	650 MHz	Differential	240 V/µs			14-TSSOP	85 mA	12.6 V	4	250 çV	22.6 mA	9 µA	250 MHz	Surface Mount	85 °C	-40 °C	Voltage Feedback	14-TSSOP	0.173 "	4.4 mm

Catalog

Quad, Unity-Gain, Low-Noise, Voltage-Feedback Operational Amplifier

Key Features

• HIGH BANDWIDTH: 220MHz (G = +2)HIGH OUTPUT CURRENT: ±85mALOW INPUT NOISE: 2.5nV/HzLOW SUPPLY CURRENT: 5.7mA/chFLEXIBLE SUPPLY VOLTAGE:±2V to ±6.3V Dual Supply+4V to +12.6V Single SupplyEXCELLENT DC ACCURACY:Maximum 25°C Input Offset Voltage = 0.8mVMaximum 25°C Input Offset Current = 500nAAPPLICATIONSLOW–COST VIDEO LINE DRIVERSADC PREAMPSACTIVE FILTERSLOW–NOISE INTEGRATORSPORTABLE TEST EQUIPMENTOPTICAL CHANNEL AMPLIFIERSLOW–POWER, BASEBAND AMPLIFIERSCCD IMAGING CHANNEL AMPLIFIERSOPA4650 UPGRADEAll trademarks are the property of their respective owners.HIGH BANDWIDTH: 220MHz (G = +2)HIGH OUTPUT CURRENT: ±85mALOW INPUT NOISE: 2.5nV/HzLOW SUPPLY CURRENT: 5.7mA/chFLEXIBLE SUPPLY VOLTAGE:±2V to ±6.3V Dual Supply+4V to +12.6V Single SupplyEXCELLENT DC ACCURACY:Maximum 25°C Input Offset Voltage = 0.8mVMaximum 25°C Input Offset Current = 500nAAPPLICATIONSLOW–COST VIDEO LINE DRIVERSADC PREAMPSACTIVE FILTERSLOW–NOISE INTEGRATORSPORTABLE TEST EQUIPMENTOPTICAL CHANNEL AMPLIFIERSLOW–POWER, BASEBAND AMPLIFIERSCCD IMAGING CHANNEL AMPLIFIERSOPA4650 UPGRADEAll trademarks are the property of their respective owners.

Description

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 > 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. 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. 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 > 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. 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.