Datasheet > OPA820IDBVR

OPA820IDBVR

更新时间： 2024-11-05 11:12:11

品牌	Logo	应用领域
德州仪器 - TI		放大器运算放大器
页数	文件大小	规格书
50页	1399K
描述
单位增益稳定、低噪声、电压反馈运算放大器 \| DBV \| 5 \| -40 to 85

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OPA820

SBOS303D –JUNE 2004–REVISED DECEMBER 2016

OPA820 Unity-Gain Stable, Low-Noise, Voltage-Feedback Operational Amplifier

1 Features

3 Description

The OPA820 device provides a wideband, unity-gain

stable, voltage-feedback amplifier with a very-low

input-noise voltage and high-output current using a

low 5.6-mA supply current. At unity-gain, the OPA820

device gives more than 800-MHz bandwidth with less

than 1-dB peaking. The OPA820 device complements

this high-speed operation with excellent DC precision

in a low-power device. A worst-case input-offset

voltage of ±750 µV and an offset current of ±400 nA

provide excellent absolute DC precision for pulse

amplifier applications.

•

High Bandwidth (240 MHz, G = 2)

High-Output Current (±110 mA)

Low-Input Noise (2.5 nV/√Hz)

Low-Supply Current (5.6 mA)

Flexible Supply Voltage:

•

–

Dual ±2.5 V to ±6 V

Single 5 V to 12 V

•

Excellent DC Accuracy:

–

Maximum 25°C Input Offset Voltage = ±750 µV

Maximum 25°C Input Offset Current = ±400 nA

Minimal input and output voltage-swing headroom

allow the OPA820 device to operate on a single 5-V

supply with more than 2-V_PPoutput swing. While not

a rail-to-rail (RR) output, this swing supports most

emerging analog-to-digital converter (ADC) input

ranges with lower power and noise than typical RR

output op amps.

2 Applications

•

Low-Cost Video Line Drivers

ADC Preamplifiers

Active Filters

Exceptionally low dG/dP (0.01% or 0.03°) supports

low-cost composite-video line-driver applications.

Existing designs can use the industry-standard

pinout, 8-pin SOIC package while emerging high-

density portable applications can use the 5-pin SOT-

23. Offering the lowest thermal impedance of the

Low-Noise Integrators

Portable Test Equipment

Optical Channel Amplifiers

Low-Power, Baseband Amplifiers

CCD Imaging Channel Amplifiers

OPA650 and OPA620 Upgrade

industry in

SOT package, along with full

specification over both the commercial and industrial

temperature ranges, provides solid performance over

a wide temperature range.

Device Information⁽¹⁾

PART NUMBER

PACKAGE

SOIC (8)

SOT-23 (5)

BODY SIZE (NOM)

4.90 mm × 3.91 mm

2.90 mm × 1.60 mm

OPA820

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

AC-Coupled, 14-Bit ADS850 Interface

5 V

REFT

(3 V)

2 kꢀ

0.1 mF

24.9 ꢀ

OPA820

50 ꢀ

100 pF

ADS850

14-Bit

10 MSPS

œ5 V

2 kꢀ

402 ꢀ

0.1 µF

(2 V) (1 V)

REFB VREF

2 kꢀ

SEL

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

12 3 4 5 6 7...50

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OPA820IDBVR 替代型号

型号	品牌	替代类型	描述	数据表
OPA820IDBVTG4	TI	完全替代	单位增益稳定、低噪声、电压反馈运算放大器 \| DBV \| 5 \| -40 to 85
OPA820IDBVT	TI	类似代替	单位增益稳定、低噪声、电压反馈运算放大器 \| DBV \| 5 \| -40 to 85
OPA820IDBVRG4	TI	类似代替	单位增益稳定、低噪声、电压反馈运算放大器 \| DBV \| 5 \| -40 to 85

与OPA820IDBVR相关器件

型号	品牌	获取价格	描述	数据表
OPA820IDBVRG4	TI	获取价格	单位增益稳定、低噪声、电压反馈运算放大器 \| DBV \| 5 \| -40 to 85
OPA820IDBVT	BB	获取价格	Unity-Gain Stable, Low-Noise, Voltage-Feedback Operational Amplifier
OPA820IDBVT	TI	获取价格	单位增益稳定、低噪声、电压反馈运算放大器 \| DBV \| 5 \| -40 to 85
OPA820IDBVTG4	TI	获取价格	单位增益稳定、低噪声、电压反馈运算放大器 \| DBV \| 5 \| -40 to 85
OPA820IDR	BB	获取价格	Unity-Gain Stable, Low-Noise, Voltage-Feedback Operational Amplifier
OPA820IDR	TI	获取价格	单位增益稳定、低噪声、电压反馈运算放大器 \| D \| 8 \| -40 to 85
OPA820IDRG4	TI	获取价格	Unity Gain Stable,Low Noise,Voltage Feedback Operational Amplifier 8-SOIC -40 to 85
OPA820SKD3	TI	获取价格	UNITY-GAIN STABLE, LOW-NOISE, VOLTAGE-FEEDBACK OPERATIONAL AMPLIFIER
OPA820SKGD1	TI	获取价格	UNITY-GAIN STABLE, LOW-NOISE, VOLTAGE-FEEDBACK OPERATIONAL AMPLIFIER
OPA820SKGD3	TI	获取价格	UNITY-GAIN STABLE, LOW-NOISE, VOLTAGE-FEEDBACK OPERATIONAL AMPLIFIER

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