OPA691

正在供货

具有禁用功能的宽带电流反馈运算放大器

立即订购

数据表

document-pdfAcrobat Wideband, Current Feedback Operational Amplifier With Disable 数据表 (Rev. D) (英语)

OPA691

正在供货

数据表

立即订购

产品详情

Architecture

Current FB

Number of channels

1

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

4

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

12

GBW (typ) (MHz)

280

BW at Acl (MHz)

280

Acl, min spec gain (V/V)

1

Slew rate (typ) (V/µs)

2100

Vn at flatband (typ) (nV√Hz)

1.7

Vn at 1 kHz (typ) (nV√Hz)

1.7

Iq per channel (typ) (mA)

5.1

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

2.5

Rail-to-rail

No

Features

Shutdown

Rating

Catalog

Operating temperature range (°C)

-40 to 85

CMRR (typ) (dB)

56

Input bias current (max) (pA)

35000000

Offset drift (typ) (µV/°C)

20

Iout (typ) (mA)

190

2nd harmonic (dBc)

70

3rd harmonic (dBc)

74

Frequency of harmonic distortion measurement (MHz)

5

Architecture

Current FB

Number of channels

1

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

4

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

12

GBW (typ) (MHz)

280

BW at Acl (MHz)

280

Acl, min spec gain (V/V)

1

Slew rate (typ) (V/µs)

2100

Vn at flatband (typ) (nV√Hz)

1.7

Vn at 1 kHz (typ) (nV√Hz)

1.7

Iq per channel (typ) (mA)

5.1

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

2.5

Rail-to-rail

No

Features

Shutdown

Rating

Catalog

Operating temperature range (°C)

-40 to 85

CMRR (typ) (dB)

56

Input bias current (max) (pA)

35000000

Offset drift (typ) (µV/°C)

20

Iout (typ) (mA)

190

2nd harmonic (dBc)

70

3rd harmonic (dBc)

74

Frequency of harmonic distortion measurement (MHz)

5

SOIC (D)

8

29.4 mm² (4.9 mm × 6 mm)

SOT-23 (DBV)

6

8.12 mm² (2.9 mm × 2.8 mm)

FLEXIBLE SUPPLY RANGE:
+5V to +12V Single-Supply
±2.5V to ±6V Dual-Supply
UNITY-GAIN STABLE: 280MHz (G =1)
HIGH OUTPUT CURRENT: 190mA
OUTPUT VOLTAGE SWING: ±4.0V
HIGH SLEW RATE: 2100V/µs
LOW dG/d: 0.07%/0.02°
LOW SUPPLY CURRENT: 5.1mA
LOW DISABLED CURRENT: 150µA
WIDEBAND +5V OPERATION: 190MHz (G = +2)
APPLICATIONS
- xDSL LINE DRIVER
- BROADBAND VIDEO BUFFERS
- HIGH-SPEED IMAGING CHANNELS
- PORTABLE INSTRUMENTS
- ADC BUFFERS
- ACTIVE FILTERS
- WIDEBAND INVERTING SUMMING
- HIGH SFDR IF AMPLIFIER

All trademarks are the property of their respective owners.

FLEXIBLE SUPPLY RANGE:
+5V to +12V Single-Supply
±2.5V to ±6V Dual-Supply
UNITY-GAIN STABLE: 280MHz (G =1)
HIGH OUTPUT CURRENT: 190mA
OUTPUT VOLTAGE SWING: ±4.0V
HIGH SLEW RATE: 2100V/µs
LOW dG/d: 0.07%/0.02°
LOW SUPPLY CURRENT: 5.1mA
LOW DISABLED CURRENT: 150µA
WIDEBAND +5V OPERATION: 190MHz (G = +2)
APPLICATIONS
- xDSL LINE DRIVER
- BROADBAND VIDEO BUFFERS
- HIGH-SPEED IMAGING CHANNELS
- PORTABLE INSTRUMENTS
- ADC BUFFERS
- ACTIVE FILTERS
- WIDEBAND INVERTING SUMMING
- HIGH SFDR IF AMPLIFIER

All trademarks are the property of their respective owners.

The OPA691 sets a new level of performance for broadband current feedback op amps. Operating on a very low 5.1mA supply current, the OPA691 offers a slew rate and output power normally associated with a much higher supply current. A new output stage architecture delivers a high output current with minimal voltage headroom and crossover distortion. This gives exceptional single-supply operation. Using a single +5V supply, the OPA691 can deliver a 1V to 4V output swing with over 150mA drive current and 190MHz bandwidth. This combination of features makes the OPA691 an ideal RGB line driver or single-supply Analog-to-Digital Converter (ADC) input driver.

The OPA691’s low 5.1mA supply current is precisely trimmed at 25°C. This trim, along with low drift over-temperature, ensures lower maximum supply current than competing products. System power may be further reduced by using the optional disable control pin. Leaving this disable pin open, or holding it HIGH, gives normal operation. If pulled LOW, the OPA691 supply current drops to less than 150µA while the output goes into a high impedance state. This feature may be used for power savings.

The OPA691 sets a new level of performance for broadband current feedback op amps. Operating on a very low 5.1mA supply current, the OPA691 offers a slew rate and output power normally associated with a much higher supply current. A new output stage architecture delivers a high output current with minimal voltage headroom and crossover distortion. This gives exceptional single-supply operation. Using a single +5V supply, the OPA691 can deliver a 1V to 4V output swing with over 150mA drive current and 190MHz bandwidth. This combination of features makes the OPA691 an ideal RGB line driver or single-supply Analog-to-Digital Converter (ADC) input driver.

The OPA691’s low 5.1mA supply current is precisely trimmed at 25°C. This trim, along with low drift over-temperature, ensures lower maximum supply current than competing products. System power may be further reduced by using the optional disable control pin. Leaving this disable pin open, or holding it HIGH, gives normal operation. If pulled LOW, the OPA691 supply current drops to less than 150µA while the output goes into a high impedance state. This feature may be used for power savings.

filter

查找其他高速运算放大器 (GBW ≥ 50MHz)

下载观看带字幕的视频视频

您可能感兴趣的相似产品

open-in-new

比较替代产品

功能与比较器件相同且具有相同引脚。

OPA695

正在供货

具有禁用功能的超宽带电流反馈运算放大器 Wider bandwidth (1.7 GHz), faster slew rate (4300 V/µs) and improved harmonic distortion

LMH6703

正在供货

具有关断状态的 1.2GHz、低失真运算放大器 Wider bandwidth (BW) (1800 MHz), slew rate (4200 V/µs) and harmonic distortion

功能与比较器件相同但引脚有所不同。

THS3095

正在供货

具有断电功能的单路高电压低失真电流反馈运算放大器 Wider supply voltage (32V), higher slew rate (6,000V/µs) and lower noise (1.1nV/rtHz)

技术文档

未找到结果。请清除搜索并重试。

查看全部 15

顶层文档	类型	标题	格式选项	下载最新的英语版本		日期
*	数据表	Wideband, Current Feedback Operational Amplifier With Disable 数据表 (Rev. D)				2008-7-2
	技术文章	3 common questions when designing with high-speed amplifiers	PDF \| HTML			2020-7-17
	电子书	The Signal e-book: 有关运算放大器设计主题的博客文章汇编	PDF \| HTML	英语版	PDF \| HTML	2018-1-31
	应用手册	RLC Filter Design for ADC Interface Applications (Rev. A)				2015-5-13
	用户指南	DEM-OPA-SO-1A User's Guide (Rev. B)				2012-4-12
	用户指南	DEM-OPA-SOT-1A User's Guide (Rev. B)				2012-4-12
	应用手册	A Numerical Solution to an Analog Problem				2010-4-25
	应用手册	Wireline Data Transmission and Reception				2010-1-27
	模拟设计期刊	Expanding the usability of current-feedback amplifiers				2005-2-28
	模拟设计期刊	Active filters using current-feedback amplifiers				2005-2-25
	应用手册	Noise Analysis for High Speed Op Amps (Rev. A)				2005-1-17
	应用手册	Stabilizing Current-Feedback Op Amps While Optimizing Circuit Performance				2004-4-28
	应用手册	ADS5500, OPA695: PC Board Layout for Low Distortion High-Speed ADC Drivers				2004-4-22
	应用手册	Measuring Board Parasitics in High-Speed Analog Design				2003-7-7
	应用手册	Current Feedback Amplifiers: Review, Stability Analysis, and Applications				2000-11-20

设计与开发

如需其他信息或资源，请点击以下任一标题进入详情页面查看（如有）。

评估板

DEM-OPA-SO-1A — 采用 SO-8 封装的单路运算放大器评估模块

The DEM-OPA-SO-1A demonstration fixture helps designers evaluate the operation and performance of TI's High Speed, Wide Bandwidth Operational Amplifiers. This unpopulated PC board is compatible with products offered in the 8-lead SOIC (D) package.

支持的产品和硬件

有库存

限制：

登录以订购

lock

登录以查看库存

??asset.out-of-stock-ti_zh_CN??

无货

评估板