OPA2626

ACTIVO

Controladores ADC de 16 y 18 bits de gran ancho de banda, alta precisión y baja THD+N

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document-pdfAcrobat OPA2626 High-Speed, High-Precision, Low-Distortion, 16-Bit and 18-Bit Analog-to-Digital Converter (ADC) Driver datasheet (Rev. A) (Inglés) PDF | HTML

OPA2626

ACTIVO

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Detalles del producto

Architecture

Voltage FB

Number of channels

2

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

2.7

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

5.5

GBW (typ) (MHz)

120

BW at Acl (MHz)

120

Acl, min spec gain (V/V)

1

Slew rate (typ) (V/µs)

115

Vn at flatband (typ) (nV√Hz)

2.5

Vn at 1 kHz (typ) (nV√Hz)

3.2

Iq per channel (typ) (mA)

2

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

0.1

Rail-to-rail

In to V-, Out

Rating

Catalog

Operating temperature range (°C)

-40 to 125

CMRR (typ) (dB)

117

Input bias current (max) (pA)

4000000

Offset drift (typ) (µV/°C)

0.5

Iout (typ) (mA)

100

2nd harmonic (dBc)

155

3rd harmonic (dBc)

144

Frequency of harmonic distortion measurement (MHz)

0.01

Architecture

Voltage FB

Number of channels

2

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

2.7

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

5.5

GBW (typ) (MHz)

120

BW at Acl (MHz)

120

Acl, min spec gain (V/V)

1

Slew rate (typ) (V/µs)

115

Vn at flatband (typ) (nV√Hz)

2.5

Vn at 1 kHz (typ) (nV√Hz)

3.2

Iq per channel (typ) (mA)

2

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

0.1

Rail-to-rail

In to V-, Out

Rating

Catalog

Operating temperature range (°C)

-40 to 125

CMRR (typ) (dB)

117

Input bias current (max) (pA)

4000000

Offset drift (typ) (µV/°C)

0.5

Iout (typ) (mA)

100

2nd harmonic (dBc)

155

3rd harmonic (dBc)

144

Frequency of harmonic distortion measurement (MHz)

0.01

VSSOP (DGK)

8

14.7 mm² (3 mm × 4.9 mm)

Excellent dynamic performance:
- Low distortion: –122 dBc for HD2 and
  –140 dBc for HD3 at 100 kHz
- Gain bandwidth (G = 100): 120 MHz
- Slew rate: 115 V/µs
- 16-bit settling at 4-V step: 280 ns
- Low voltage noise: 2.5 nV/√Hz at 10 kHz
- Low output impedance: 1 Ω at 1 MHz
Excellent DC precision:
- Offset voltage: ±100 µV (maximum)
- Offset voltage drift: ±3 µV/ºC (maximum)
- Low quiescent current: 2 mA (typical)
Input common-mode range includes negative rail
Rail-to-rail output
Wide temperature range: fully specified from –40°C to +125°C

Excellent dynamic performance:
- Low distortion: –122 dBc for HD2 and
  –140 dBc for HD3 at 100 kHz
- Gain bandwidth (G = 100): 120 MHz
- Slew rate: 115 V/µs
- 16-bit settling at 4-V step: 280 ns
- Low voltage noise: 2.5 nV/√Hz at 10 kHz
- Low output impedance: 1 Ω at 1 MHz
Excellent DC precision:
- Offset voltage: ±100 µV (maximum)
- Offset voltage drift: ±3 µV/ºC (maximum)
- Low quiescent current: 2 mA (typical)
Input common-mode range includes negative rail
Rail-to-rail output
Wide temperature range: fully specified from –40°C to +125°C

The OPA2626 operational amplifier is a 16-bit and 18-bit, high-precision, successive-approximation register (SAR) analog-to-digital converter (ADC) driver with low total harmonic distortion (THD) and noise. This op amp is fully characterized and specified with a 16-bit settling time of 280 ns that enables a true 16-bit effective number of bits (ENOB). With a high DC precision of only 100-µV offset voltage, a wide gain-bandwidth product of 120 MHz, and a low wideband noise of 2.5 nV/√Hz, this device is optimized for driving high-throughput, high-resolution SAR ADCs in applications such as the ADS88xx family of SAR ADCs.

The OPA2626 is available in an 8-pin VSSOP package and is specified for operation from –40°C to +125°C.

The OPA2626 operational amplifier is a 16-bit and 18-bit, high-precision, successive-approximation register (SAR) analog-to-digital converter (ADC) driver with low total harmonic distortion (THD) and noise. This op amp is fully characterized and specified with a 16-bit settling time of 280 ns that enables a true 16-bit effective number of bits (ENOB). With a high DC precision of only 100-µV offset voltage, a wide gain-bandwidth product of 120 MHz, and a low wideband noise of 2.5 nV/√Hz, this device is optimized for driving high-throughput, high-resolution SAR ADCs in applications such as the ADS88xx family of SAR ADCs.

The OPA2626 is available in an 8-pin VSSOP package and is specified for operation from –40°C to +125°C.

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Documentación técnica

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Documentación principal	Tipo	Título	Opciones de formato	Descargar la versión más reciente en inglés	Fecha
*	Hoja de datos	OPA2626 High-Speed, High-Precision, Low-Distortion, 16-Bit and 18-Bit Analog-to-Digital Converter (ADC) Driver datasheet (Rev. A)	PDF \| HTML		19/12/2019
	Libro electrónico	The Signal e-book: A compendium of blog posts on op amp design topics	PDF \| HTML		28/03/2017

Diseño y desarrollo

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