OPA659

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650MHz 单位增益稳定 JFET 输入放大器

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数据表

document-pdfAcrobat OPA659 Wideband, Unity-Gain Stable, JFET-Input Operational Amplifier 数据表 (Rev. C) (英语) PDF | HTML

OPA659

正在供货

数据表

立即订购

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Architecture

FET / CMOS Input, Voltage FB

Number of channels

1

Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V)

7

Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V)

13

GBW (typ) (MHz)

350

BW at Acl (MHz)

650

Acl, min spec gain (V/V)

2

Slew rate (typ) (V/µs)

2550

Vn at flatband (typ) (nV√Hz)

8.9

Vn at 1 kHz (typ) (nV√Hz)

8.9

Iq per channel (typ) (mA)

30.5

Vos (offset voltage at 25°C) (max) (mV)

5

Rail-to-rail

No

Rating

Catalog

Operating temperature range (°C)

-40 to 85

CMRR (typ) (dB)

70

Input bias current (max) (pA)

50

Offset drift (typ) (µV/°C)

10

Iout (typ) (mA)

70

2nd harmonic (dBc)

79

3rd harmonic (dBc)

100

Frequency of harmonic distortion measurement (MHz)

10

Architecture

FET / CMOS Input, Voltage FB

Number of channels

1

Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V)

7

Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V)

13

GBW (typ) (MHz)

350

BW at Acl (MHz)

650

Acl, min spec gain (V/V)

2

Slew rate (typ) (V/µs)

2550

Vn at flatband (typ) (nV√Hz)

8.9

Vn at 1 kHz (typ) (nV√Hz)

8.9

Iq per channel (typ) (mA)

30.5

Vos (offset voltage at 25°C) (max) (mV)

5

Rail-to-rail

No

Rating

Catalog

Operating temperature range (°C)

-40 to 85

CMRR (typ) (dB)

70

Input bias current (max) (pA)

50

Offset drift (typ) (µV/°C)

10

Iout (typ) (mA)

70

2nd harmonic (dBc)

79

3rd harmonic (dBc)

100

Frequency of harmonic distortion measurement (MHz)

10

SOT-23 (DBV)

5

8.12 mm² 2.9 x 2.8

VSON (DRB)

8

9 mm² 3 x 3

High Bandwidth: 650 MHz (G = 1 V/V)
High Slew Rate: 2550 V/µs (4-V Step)
Excellent THD: –78 dBc at 10 MHz
Low Input Voltage Noise: 8.9 nV/√Hz
Fast Overdrive Recovery: 8 ns
Fast Settling time (1% 4-V Step): 8 ns
Low Input Offset Voltage: ±1 mV
Low Input Bias Current: ±10 pA
High Output Current: 70 mA

High Bandwidth: 650 MHz (G = 1 V/V)
High Slew Rate: 2550 V/µs (4-V Step)
Excellent THD: –78 dBc at 10 MHz
Low Input Voltage Noise: 8.9 nV/√Hz
Fast Overdrive Recovery: 8 ns
Fast Settling time (1% 4-V Step): 8 ns
Low Input Offset Voltage: ±1 mV
Low Input Bias Current: ±10 pA
High Output Current: 70 mA

The OPA659 combines a very wideband, unity-gain stable, voltage-feedback operational amplifier with a JFET-input stage to offer an ultra-high dynamic range amplifier for high impedance buffering in data acquisition applications such as oscilloscope front-end amplifiers and machine vision applications such as photodiode transimpedance amplifiers used in wafer inspection.

The wide 650-MHz unity-gain bandwidth is complemented by a very high 2550-V/µs slew rate.

The high input impedance and low bias current provided by the JFET input are supported by the low 8.9-nV/√:Hz input voltage noise to achieve a very low integrated noise in wideband photodiode transimpedance applications.

Broad transimpedance bandwidths are possible with the high 350-MHz gain bandwidth product of this device.

Where lower speed with lower quiescent current is required, consider the OPA656. Where unity-gain stability is not required, consider the OPA657.

The OPA659 combines a very wideband, unity-gain stable, voltage-feedback operational amplifier with a JFET-input stage to offer an ultra-high dynamic range amplifier for high impedance buffering in data acquisition applications such as oscilloscope front-end amplifiers and machine vision applications such as photodiode transimpedance amplifiers used in wafer inspection.

The wide 650-MHz unity-gain bandwidth is complemented by a very high 2550-V/µs slew rate.

The high input impedance and low bias current provided by the JFET input are supported by the low 8.9-nV/√:Hz input voltage noise to achieve a very low integrated noise in wideband photodiode transimpedance applications.

Broad transimpedance bandwidths are possible with the high 350-MHz gain bandwidth product of this device.

Where lower speed with lower quiescent current is required, consider the OPA656. Where unity-gain stability is not required, consider the OPA657.

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