LT1212 14MHz, 7V/µs, Single Supply Dual and Quad Precision Op Amps

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The LT®1211 is a dual, single supply precision op amp with a 14MHz gain-bandwidth product and a 7V/µs slew rate. The LT1212 is a quad version of the same amplifier. The DC precision of the LT1211/LT1212 eliminates trims in most systems while providing high frequency performance not usually found in single supply amplifiers.

The LT1211/LT1212 will operate on any supply greater than 2.5V and less than 36V total. These amplifiers are specified on single 3.3V, single 5V and ±15V supplies, and only require 1.3mA of quiescent supply current per amplifier. The inputs can be driven beyond the supplies without damage or phase reversal of the output. The minimum output drive is 20mA, ideal for driving low impedance loads. Note:For applications requiring higher slew rate, see the LT1213/LT1214 and LT1215/LT1216 data sheets

产品特点 Features

Slew Rate 7V/µs Typ
Gain-Bandwidth Product: 14MHz Typ
Fast Settling to 0.01%
2V Step to 200µV 900ns Typ
10V Step to 1mV 2.2µs Typ
Excellent DC Precision in All Packages
Input Offset Voltage 275µV Max
Input Offset Voltage Drift 6µV/°
Input Offset Current: 30nA Max
Input Bias Current: 125nA Max
Open-Loop Gain: 1200V/mV Min
Single Supply Operation
Input Voltage Range Includes Ground
Output Swings to Ground While Sinking Current
Low Input Noise Voltage: 12nV/rt Hz Typ
Low Input Noise Current: 0.2pA/rt Hz Typ
Specified on 3.3V, 5V and ±15V
Large Output Drive Current: 20mA Min
Low Supply Current per Amplifier: 1.8mA Max
Dual in 8-Pin DIP and SO8
Quad in 14-Pin DIP and NARROW SO16
Note: For applications requiring higher slew rate, see the LT1213/LT1214 and LT1215/LT1216 data sheets

应用

2.5V Full-Scale 12-Bit Systems: VOS </= 0.45LSB
10V Full-Scale 16-Bit Systems: VOS </= 1.8LSB
Active Filters
Photo Diode Amplifiers
DAC Current-to-Voltage Amplifiers
Battery-Powered Systems

典型应用图

参数

LT1212 订购信息和价格参考Package Variations and Pricing

器件型号	封装	引脚	温度	价格 (以 1 ~ 99 片为批量)	价格 (以 1000 片为批量) *
LT1212CN	PDIP	14	C	$5.85	$5.10
LT1212CN#PBF	PDIP	14	C	$5.85	$5.10
LT1212CS	SO	16	C	$6.33	$5.40
LT1212CS#PBF	SO	16	C	$6.33	$5.40
LT1212CS#TR	SO	16	C		$5.46
LT1212CS#TRPBF	SO	16	C		$5.46
LT1212IN	PDIP	14	I	$7.20	$5.90
LT1212IN#PBF	PDIP	14	I	$7.20	$5.90
LT1212IS	SO	16	I	$7.55	$6.20
LT1212IS#PBF	SO	16	I	$7.55	$6.20
LT1212IS#TR	SO	16	I		$6.26
LT1212IS#TRPBF	SO	16	I		$6.26

LT1212 数据手册及相关资料下载

数据手册(英文) : LT1211/LT1212 - 14MHz, 7V/µs, Single Supply Dual and Quad Precision Op Amps.PDF
应用指南 (英文) : AN66 - linear Technology Magazine Circuit Collection, Volume II.PDF
应用指南 (英文) : AN87 - linear Technology Magazine Circuit Collection, Volume V: Data Conversion, Interface and Signal Conditioning Products.PDF
设计要点 (英文) : DN132 - Fast Current Feedback Amplifiers Tame Low Impedance Loads.PDF
可靠性数据 : R164 Reliability Data .PDF