Datasheet > OPA855Q1DSGR

OPA855Q1DSGR

更新时间： 2024-11-28 02:52:19

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
29页	1539K
描述
8-GHz Gain Bandwidth Product, Gain of 7-V/V Stable, Bipolar Input Amplifier

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OPA855Q1DSGR 数据手册

OPA855-Q1

www.ti.com

SBOSA57 – FEBRUARY 2021

8-GHz Gain Bandwidth Product, Gain of 7-V/V Stable, Bipolar Input Amplifier

1 Features

3 Description

•

AEC-Q100 Qualified for Automotive Applications:

– Temperature grade 1: –40°C to +125°C, T_A

High Gain Bandwidth Product: 8 GHz

Decompensated, Gain ≥ 7 V/V (Stable)

Low Input Voltage Noise: 0.98 nV/√Hz

Slew Rate: 2750 V/µs

The OPA855-Q1 is a wideband, low-noise operational

amplifier with bipolar inputs for wideband

transimpedance and voltage amplifier applications.

When the device is configured as a transimpedance

amplifier (TIA), the 8-GHz gain bandwidth product

(GBWP) enables high closed-loop bandwidths at

transimpedance gains of up to tens of kΩs.

•

Low Input Capacitance:

The graph below shows the bandwidth and noise

performance of the OPA855-Q1 as a function of the

photodiode capacitance when the amplifier is

configured as a TIA. The total noise is calculated

along a bandwidth range extending from DC to the

calculated frequency (f) on the left scale. The

OPA855-Q1 package has a feedback pin (FB) that

simplifies the feedback network connection between

the input and the output.

– Common-Mode: 0.6 pF

– Differential: 0.2 pF

•

Wide Input Common-Mode Range:

– 0.4 V from Positive Supply

– 1.1 V from Negative Supply

3 V_PPTotal Output Swing

Supply Voltage Range: 3.3 V to 5.25 V

Quiescent Current: 17.8 mA

•

Package: 8-Pin WSON

Temperature Range: –40°C to +125°C

The OPA855-Q1 is optimized to operate in optical

time-of-flight (ToF) systems where the OPA855-Q1 is

used with time-to-digital converters, such as the

TDC7201. Use the OPA855-Q1 to drive a high-speed

analog-to-digital converter (ADC) in high-resolution

LIDAR systems with a differential output amplifier,

such as the THS4541-Q1.

2 Applications

•

Automotive LIDAR

Time of flight (ToF) Camera

Optical Time Domain Reflectometry (OTDR)

3D Scanner

Laser Distance Measurement

Solid-State Scanning LIDAR

Optical ToF Position Sensor

Drone Vision

Device Information

PART NUMBER⁽¹⁾

PACKAGE

BODY SIZE (NOM)

OPA855-Q1

WSON (8)

2.00 mm × 2.00 mm

(1) For all available packages, see the package option

addendum at the end of the data sheet.

Silicon Photomultiplier (SiPM) Buffer Amplifier

Photomultiplier Tube Post Amplifier

C_F

450

160

140

120

100

f_-3dB, R_F= 6 kW

f_-3dB, R_F= 12 kW

R_F

400

V_BIAS

I_RN, R_F= 6 kW

I_RN, R_F= 12 kW

Lens

5 V

TLV3501

350

OPA855

Stop 2

Start 2

3.8 V

300

250

200

150

100

V_REF

C_F

R_F

TDC7201

(Time-to-

Digital

V_BIAS

5 V

Converter)

TLV3501

OPA855

Stop 1

Start 1

3.8 V

V_REF

Photodiode capacitance (pF)

Lens

MSP430

ꢀController

D609

Pulsed Laser

Diode

Photodiode Capacitance vs Bandwidth and Noise

High-Speed Time-of-Flight Receiver

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.

Product Folder Links: OPA855-Q1

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与OPA855Q1DSGR相关器件

型号	品牌	获取价格	描述	数据表
OPA855QDSGRQ1	TI	获取价格	8-GHz Gain Bandwidth Product, Gain of 7-V/V Stable, Bipolar Input Amplifier
OPA856	TI	获取价格	具有 1.1GHz 单位增益带宽、0.9nV/√Hz 噪声的双极输入放大器
OPA8560EDD	KODENSHI	获取价格	Infrared LED Chip
OPA856IDSGR	TI	获取价格	具有 1.1GHz 单位增益带宽、0.9nV/√Hz 噪声的双极输入放大器 \| DSG \|
OPA857	TI	获取价格	Ultralow-Noise, Wideband, Selectable Feedback Resistance Transimpedance Amplifier
OPA857-DIE	TI	获取价格	低噪声、宽带、可选增益、跨阻放大器
OPA857IRGTR	TI	获取价格	Ultralow-Noise, Wideband, Selectable Feedback Resistance Transimpedance Amplifier
OPA857IRGTT	TI	获取价格	Ultralow-Noise, Wideband, Selectable Feedback Resistance Transimpedance Amplifier
OPA857TD1	TI	获取价格	低噪声、宽带、可选增益、跨阻放大器 \| TD \| 0 \| -40 to 85
OPA857TD2	TI	获取价格	低噪声、宽带、可选增益、跨阻放大器 \| TD \| 0 \| -40 to 85

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