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LINEAR TECHNOLOGY LT1630 LT1631 Data Sheet Manual

Summary

Precision dual and quad operational amplifiers featuring a 30MHz bandwidth, 10V/ms slew rate, and true rail-to-rail performance. These low-power op amps deliver high signal integrity while maintaining excellent DC accuracy over wide supply ranges (2.7V to 36V). The manual provides comprehensive technical data covering electrical characteristics, packaging options, and typical applications—making it ideal for engineers designing active filters, buffers, or advanced signal processing systems requiring maximum reliability and performance in demanding environments.

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LT1630/LT1631

30MHz, 10V/µs, Dual/Quad Rail-to-Rail Input and Output Precision Op Amps

FEATURES DESCRIPTION Gain-Bandwidth Product: 30MHz The LT®1630/LT1631 are dual/quad, rail-to-rail input and Slew Rate: 10V/µs output op amps with a 30MHz gain-bandwidth product and Low Supply Current per Amplifier: 3.5m A a 10V/µs slew rate. Input Common Mode Range Includes Both Rails

The LT1630/LT1631 have excellent DC precision over the

Output Swings Rail-to-Rail

full range of operation. Input offset voltage is typically less

Input Offset Voltage, Rail-to-Rail: 525µV Max

than 150µV and the minimum open-loop gain of one

Input Offset Current: 150n A Max

million into a 10k load virtually eliminates all gain error. To

Input Bias Current: 1000n A Max

maximize common mode rejection, the LT1630/LT1631

Open-Loop Gain: 1000V/m V Min

employ a patented trim technique for both input stages,

Low Input Noise Voltage: 6n V/√Hz Typ

one at the negative supply and the other at the positive

Low Distortion: – 91d Bc at 100k Hz

supply, that gives a typical CMRR of 106d B over the full

Wide Supply Range: 2.7V to ±15V

input range.

Large Output Drive Current: 35m A Min

Dual in 8-Pin PDIP and SO Packages The LT1630/LT1631 maintain their performance for sup- Quad in Narrow 14-Pin SO Package plies from 2.7V to 36V and are specified at 3V, 5V and ±15V GA IN (d B) supplies. The inputs can be driven beyond the supplies without damage or phase reversal of the output. The

APPLICATIONS

output delivers load currents in excess of 35m A.

Active Filters

The LT1630 is available in 8-pin PDIP and SO packages

Rail-to-Rail Buffer Amplifiers

with the standard dual op amp pinout. The LT1631 features

Driving A/D Converters

the standard quad op amp configuration and is available in

Low Voltage Signal Processing

a 14-pin plastic SO package. These devices can be used as

Battery-Powered Systems

plug-in replacements for many standard op amps to

, LTC and LT are registered trademarks of Linear Technology Corporation. improve input/output range and performance.

TYPICAL APPLICATION

Frequency Response

Single Supply, 400k Hz, 4th Order Butterworth Filter

2.32k 6.65k 2.74k 22p F VIN –50

220p F 1/2 LT1630 –60

470p F 1/2 LT1630 VOUT

–70 VS = 3V, 0V –80 VIN = 2.5VP-P

VS/2 1630/31 TA01

0.1k 1k 10k 100k 1M 10M FREQUENCY (Hz)

1630/31 TA02

sn16301 16301fs

Page Summary Contents For LINEAR TECHNOLOGY LT1630 LT1631 Data Sheet Manual

Page 1 LT1630/LT1631 30MHz, 10V/µs, Dual/Quad Rail-to-Rail Input and Output Precision Op Amps FEATURES DESCRIPTION Gain-Bandwidth Product: 30MHz The LT®1630/LT1631 are dual/quad, rail-to-rail input and Slew ...
Page 2 LT1630/LT1631 ABSOLUTE MAXIMUM RATINGS (Note 1) + to V –) Total Supply Voltage (V 36V Specified Temperature Range (Note 4) –40°C to 85°C Input Current ±10m A Junction Temperature 150°C Output Short-Ci...
Page 3 LT1630/LT1631 ELECTRICAL CHARACTERISTICS TA = 25°C, VS = 5V, 0V; VS = 3V, 0V; VCM = VOUT = half supply, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS CMRR Common Mode Rejection...
Page 4 LT1630/LT1631 ELECTRICAL CHARACTERISTICS 0°C < TA < 70°C, VS = 5V, 0V; VS = 3V, 0V; VCM = VOUT = half supply, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS PSRR Power Sup...
Page 5 LT1630/LT1631 ELECTRICAL CHARACTERISTICS 40°C < TA < 85°C, VS = 5V, 0V; VS = 3V, 0V; VCM = VOUT = half supply, unless otherwise noted. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VOH ...
Page 6 LT1630/LT1631 ELECTRICAL CHARACTERISTICS TA = 25°C, VS = ±15V, VCM = 0V, VOUT = 0V, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS ISC Short-Circuit Current ±35 ±70 m A IS Suppl...
Page 7 LT1630/LT1631 ELECTRICAL CHARACTERISTICS –40°C < TA < 85°C, VS = ±15V, VCM = 0V, VOUT = 0V, unless otherwise noted. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VOS Input Offset Voltag...
Page 8 IN PU BI AS UR RE NT (µ A) SU PP LY UR RE NT ER PL IF IE (m A) PE RC EN OF NI TS LT1630/LT1631 TYPICAL PERFORMANCE CHARACTERISTICS VOS Distribution, VCM = 0V VOS Distribution, VCM = 5V (PNP Stage) (NP...
Page 9 CO ON OD RE JE CT IO RA TI (d B) OU TP UT OL TA GE (2 PHASE M n V /D IV ARGIN (DEG) CH AN GE IN FF SE VO LT AG (µ V) LT1630/LT1631 TYPICAL PERFORMANCE CHARACTERISTICS Minimum Supply Voltage Noise Volt...
Page 10 CH AN GE IN FF SE VO LT AG (µ V) IN PU VO LT AG (µ V) OV ER SH OO LT1630/LT1631 TYPICAL PERFORMANCE CHARACTERISTICS Output Step vs Capacitive Load Handling Slew Rate vs Supply Voltage Settling Time to...
Page 11 HA RM ON IC IS TO RT IO (d Bc HA RM ON IC IS TO RT IO (d Bc LT1630/LT1631 TYPICAL PERFORMANCE CHARACTERISTICS Harmonic Distortion vs Frequency 5V Small-Signal Response 5V Large-Signal Response VS = 5V...
Page 12 LT1630/LT1631 APPLICATIONS INFORMATION R6 +IN 225Ω Q5 VBIAS I2 C2 R7 CC V– OUT –IN 225Ω BUFFER Q9 AND Q8 OUTPUT BIAS Figure 1. LT1630 Simplified Schematic Diagram Power Dissipation To ensure that the ...
Page 13 LT1630/LT1631 APPLICATIONS INFORMATION Input Offset Voltage The LT1630/LT1631’s input stages are protected against large differential input voltages by a pair of back-to-back The offset voltage change...
Page 14 LT1630/LT1631 VO LT AG GA IN (d B) TYPICAL APPLICATIONS Single Supply, 40d B Gain, 350k Hz Tunable Q Notch Filter Instrumentation Amplifier A single supply, tunable Q notch filter as shown in Figure A...
Page 15 LT1630/LT1631 Dimensions in inches (millimeters) unless otherwise noted.PACKAGE DESCRIPTION N8 Package 8-Lead PDIP (Narrow 0.300) (LTC DWG # 05-08-1510) 0.400* (10.160) 0.300 – 0.325 0.045 – 0.065 0.1...
Page 16 LT1630/LT1631 TYPICAL APPLICATIONS RF Amplifier Control Biasing and DC Restoration Taking advantage of the rail-to-rail input and output, and the large output current capability of the LT1630, the cir...

Manual Details

Brand Linear
Pages 16
File Size 282.90 KB
Published June 16, 2026
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Frequently Asked Questions

What is the typical input noise voltage of the LT1630/LT1631?

The low input noise voltage is typically 6nV/√Hz at 1kHz.

Can this op amp operate rail-to-rail with a single power supply?

Yes, the output swings cover the full rail-to-rail range of operation.

What are the maximum recommended operating temperatures?

The specified temperature range is -40°C to 85°C for general operation.

How large is the open-loop gain and slew rate?

It has a minimum open-loop gain of 1000V/mV and a maximum slew rate of 10V/ms.