CS3012-ISZ

CS3012-ISZ Datasheet

CS3011 CS3012

Part	Datasheet
CS3012-ISZ	CS3012-ISZ (pdf)

Related Parts	Information
CS3011-ISZ	CS3011-ISZ
CS3012-ISZR	CS3012-ISZR
CS3011-ISZR	CS3011-ISZR

PDF Datasheet Preview
CS3011 CS3012 Precision Low-voltage Amplifier DC to 1 kHz Features & Description Low Offset 10 uV Max Low Drift uV/°C Max Low Noise 12 Hz to 10 Hz = 250 nVp-p 1/f corner Hz Open-loop Voltage Gain 300 dB Typ 200 dB Min Rail-to-rail Output Swing Slew Rate 2 V/us Applications Thermocouple/Thermopile Amplifiers Load Cell and Bridge Transducer Amplifiers Precision Instrumentation Battery-powered Systems The CS3011 single amplifier and the CS3012 dual amplifier are designed for precision amplification of lowlevel signals and are ideally suited to applications that require very high closed-loop gains. These amplifiers achieve excellent offset stability, super-high open-loop gain, and low noise over time and temperature. The devices also exhibit excellent CMRR and PSRR. The common mode input range includes the negative supply rail. The amplifiers operate with any total supply voltage from V to V to V . Pin Configurations CS3011 CS3012 PDWN 1 -In 2 +In 3 Out A 1 -In A 2 6 Output +In A 3 -A+ +B- 8 V+ 7 Out B 6 -In B 5 +In B 8-lead SOIC 8-lead SOIC Noise vs. Frequency Measured Frequency Hz Dexter Research Thermopile ST60 R1 100 CS3011 R2 64.9k C1 0.015uF Copyright Cirrus Logic, Inc. 2009 All Rights Reserved JUL ‘09 DS597F6 CS3011 CS3012 TABLE OF CONTENTS CHARACTERISTICS AND SPECIFICATIONS 3 TYPICAL PERFORMANCE PLOTS 4 CS3011/CS3012 OVERVIEW 8 Open Loop Gain and Phase Response Open Loop Gain and Stability Compensation Discussion Gain Calculations Summary and Recommendations Powerdown PDWN Applications LIST OF FIGURES Figure Noise vs. Frequency Measured 4 Figure Hz to 10 Hz Noise 4 Figure Supply Current vs. Temperature, 3011 4 Figure Noise vs. Frequency 4 Figure Offset Voltage Stability DC to Hz 4 Figure Supply Current vs. Temperature, 3012 4 Figure Supply Current vs. Voltage, 3011 5 Figure Supply Current vs. Voltage, 3012 5 Figure Open Loop Gain and Phase vs Frequency 5 Figure Open Loop Gain and Phase vs Frequency Expanded 6 Figure Input Bias Current vs Common Mode Voltage CS3012 6 Figure Voltage Swing vs. Output Current V 7 Figure Voltage Swing vs. Output Current 5 V 7 Figure CS3011/CS3012 Open Loop Gain and Phase Response 9 Figure Non-Inverting Gain Configuration 10 Figure Non-Inverting Gain Configuration with Compensation 11 Figure Loop Gain Plot Unity Gain and with Pole-Zero Compensation 12 Figure Thermopile Amplifier with a Gain of 650 V/V 14 Figure Load Cell Bridge Amplifier and A/D Converter 14 Figure DS597F6 CS3011 CS3012 CHARACTERISTICS AND SPECIFICATIONS ELECTRICAL CHARACTERISTICS V+ = +5 V, V- = 0V, VCM = V Note 1 CS3011/CS3012 Parameter Min Typ Input Offset Voltage Note 2 • ±10 Average Input Offset Drift Note 2 • Long Term Input Offset Voltage Stability Note 3 Input Bias Current TA = 25º C ±50 ±1000 Input Offset Current TA = 25º C • ±100 ±2000 Input Noise Voltage Density RS = 100 Ω, f0 = 1 Hz RS = 100 Ω, f0 = 1 kHz Input Noise Voltage to 10 Hz Input Noise Current Density f0 = 1 Hz Input Noise Current to 10 Hz Input Common Mode Voltage Range - V+ -1.25 Common Mode Rejection Ratio dc Note 4 • Power Supply Rejection Ratio Large Signal Voltage Gain RL = 2 kΩ to V+/2 Note 5 • Output Voltage Swing RL = 2 kΩ to V+/2 RL = 100 kΩ to V+/2 Slew Rate ORDERING INFORMATION Model CS3011-ISZ CS3012-ISZ Temperature -40 to +85 °C CS3011 CS3012 Package 8-pin SOIC, Lead Free ENVIRONMENTAL, MANUFACTURING, & HANDLING INFORMATION Model Number CS3011-ISZ CS3012-ISZ Peak Reflow Temp 260 °C MSL Rating* 2 Max Floor Life 365 Days * MSL Moisture Sensitivity Level as specified by IPC/JEDEC J-STD-020. DS597F6 PACKAGE DRAWING 8L SOIC 150 MIL BODY PACKAGE DRAWING CS3011 CS3012 SEATING PLANE c A A1 DIM A A1 B C INCHES JEDEC # MS-012 MILLIMETERS DS597F6 CS3011 CS3012 Date SEP 2004 AUG 2005 AUG 2006 NOV 2007 JUL 2009 Changes Added lead-free device ordering information. Added MSL specifications. Updated legal notice. Added leaded Pb devices. Updated Typical Performance Plots. Removed Powerdown feature. Added additional information regarding open-loop and gain stability compensation. Removed lead-containing SOICs from ordering information. DS597F6 CS3011 CS3012 Contacting Cirrus Logic Support For all product questions and inquiries contact a Cirrus Logic Sales Representative. To find the one nearest to you go to IMPORTANT NOTICE Cirrus Logic, Inc. and its subsidiaries “Cirrus” believe that the information contained in this document is accurate and reliable. However, the information is subject to change without notice and is provided “AS IS” without warranty of any kind express or implied . Customers are advised to obtain the latest version of relevant information to verify, before placing orders, that information being relied on is current and complete. All products are sold subject to the terms and conditions of sale supplied at the time of order acknowledgment, including those pertaining to warranty, indemnification, and limitation of liability. No responsibility is assumed by Cirrus for the use of this information, including use of this information as the basis for manufacture or sale of any items, or for infringement of patents or other rights of third parties. This document is the property of Cirrus and by furnishing this information, Cirrus grants no license, express or implied under any patents, mask work rights, copyrights, trademarks, trade secrets or other intellectual property rights. Cirrus owns the copyrights associated with the information contained herein and gives consent for copies to be made of the information only for use within your organization with respect to Cirrus integrated circuits or other products of Cirrus. This consent does not extend to other copying such as copying for general distribution, advertising or promotional purposes, or for creating any work for resale. CERTAIN APPLICATIONS USING SEMICONDUCTOR PRODUCTS MAY INVOLVE POTENTIAL RISKS OF DEATH, PERSONAL INJURY, OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE “CRITICAL APPLICATIONS” . CIRRUS PRODUCTS ARE NOT DESIGNED, AUTHORIZED OR WARRANTED FOR USE IN PRODUCTS SURGICALLY IMPLANTED INTO THE BODY, AUTOMOTIVE SAFETY OR SECURITY DEVICES, LIFE SUPPORT PRODUCTS OR OTHER CRITICAL APPLICATIONS. INCLUSION OF CIRRUS PRODUCTS IN SUCH APPLICATIONS IS UNDERSTOOD TO BE FULLY AT THE CUSTOMER'S RISK AND CIRRUS DISCLAIMS AND MAKES NO WARRANTY, EXPRESS, STATUTORY OR IMPLIED, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR PARTICULAR PURPOSE, WITH REGARD TO ANY CIRR US PRODUCT THAT IS USED IN SUCH A MANNER. IF TH E CUSTOMER OR CUSTOMER'S CUSTOMER USES OR PERMITS THE USE OF CIRRUS PRODUCTS IN CRITICAL APPLICATIONS, CUSTOMER AGREES, BY SUCH USE, TO FULLY INDEMNIFY CIRRUS, ITS OFFICERS, DIRECTORS, EMPLOYEES, DISTRIBUTORS AND OTHER AGENTS FROM ANY AND ALL LIABILITY, INCLUDING ATTORNEYS' FEES AND COSTS, THAT MAY RESULT FROM OR ARISE IN CONNECTION WITH THESE USES. Cirrus Logic, Cirrus, and the Cirrus Logic logo designs are trademarks of Cirrus Logic, Inc. All other brand and product names in this document may be trademarks or service marks of their respective owners. DS597F6

PDF Datasheet Preview

CS3011 CS3012

Precision Low-voltage Amplifier DC to 1 kHz

Features & Description Low Offset 10 uV Max Low Drift uV/°C Max Low Noise
12 Hz to 10 Hz = 250 nVp-p 1/f corner Hz

Open-loop Voltage Gain
300 dB Typ 200 dB Min

Rail-to-rail Output Swing Slew Rate 2 V/us

Applications Thermocouple/Thermopile Amplifiers Load Cell and Bridge Transducer Amplifiers Precision Instrumentation Battery-powered Systems

The CS3011 single amplifier and the CS3012 dual amplifier are designed for precision amplification of lowlevel signals and are ideally suited to applications that require very high closed-loop gains. These amplifiers achieve excellent offset stability, super-high open-loop gain, and low noise over time and temperature. The devices also exhibit excellent CMRR and PSRR. The common mode input range includes the negative supply rail. The amplifiers operate with any total supply voltage from V to V to V .

Pin Configurations

CS3011

CS3012

PDWN 1
-In 2
+In 3

Out A 1
-In A 2
6 Output +In A 3
-A+ +B-
8 V+ 7 Out B 6 -In B 5 +In B
8-lead SOIC
8-lead SOIC

Noise vs. Frequency Measured

Frequency Hz

Dexter Research Thermopile ST60

R1 100

CS3011

R2 64.9k

C1 0.015uF

Copyright Cirrus Logic, Inc. 2009 All Rights Reserved

JUL ‘09 DS597F6

CS3011 CS3012

TABLE OF CONTENTS

CHARACTERISTICS AND SPECIFICATIONS 3 TYPICAL PERFORMANCE PLOTS 4 CS3011/CS3012 OVERVIEW 8

Open Loop Gain and Phase Response Open Loop Gain and Stability Compensation

Discussion Gain Calculations Summary and Recommendations Powerdown PDWN Applications
LIST OF FIGURES

Figure Noise vs. Frequency Measured 4 Figure Hz to 10 Hz Noise 4 Figure Supply Current vs. Temperature, 3011 4 Figure Noise vs. Frequency 4 Figure Offset Voltage Stability DC to Hz 4 Figure Supply Current vs. Temperature, 3012 4 Figure Supply Current vs. Voltage, 3011 5 Figure Supply Current vs. Voltage, 3012 5 Figure Open Loop Gain and Phase vs Frequency 5 Figure Open Loop Gain and Phase vs Frequency Expanded 6 Figure Input Bias Current vs Common Mode Voltage CS3012 6 Figure Voltage Swing vs. Output Current V 7 Figure Voltage Swing vs. Output Current 5 V 7 Figure CS3011/CS3012 Open Loop Gain and Phase Response 9 Figure Non-Inverting Gain Configuration 10 Figure Non-Inverting Gain Configuration with Compensation 11 Figure Loop Gain Plot Unity Gain and with Pole-Zero Compensation 12 Figure Thermopile Amplifier with a Gain of 650 V/V 14 Figure Load Cell Bridge Amplifier and A/D Converter 14 Figure

DS597F6

CS3011 CS3012

CHARACTERISTICS AND SPECIFICATIONS

ELECTRICAL CHARACTERISTICS

V+ = +5 V, V- = 0V, VCM = V Note 1

CS3011/CS3012

Parameter

Min Typ

Input Offset Voltage

Note 2
•
±10

Average Input Offset Drift

Note 2
•

Long Term Input Offset Voltage Stability

Note 3

Input Bias Current

TA = 25º C
±50
±1000

Input Offset Current

TA = 25º C
•
±100
±2000

Input Noise Voltage Density RS = 100 Ω, f0 = 1 Hz RS = 100 Ω, f0 = 1 kHz

Input Noise Voltage
to 10 Hz

Input Noise Current Density f0 = 1 Hz

Input Noise Current
to 10 Hz

Input Common Mode Voltage Range
- V+ -1.25

Common Mode Rejection Ratio dc

Note 4
•

Power Supply Rejection Ratio

Large Signal Voltage Gain RL = 2 kΩ to V+/2

Note 5
•

Output Voltage Swing

RL = 2 kΩ to V+/2 RL = 100 kΩ to V+/2

Slew Rate
ORDERING INFORMATION

Model CS3011-ISZ CS3012-ISZ

Temperature -40 to +85 °C

CS3011 CS3012

Package 8-pin SOIC, Lead Free

ENVIRONMENTAL, MANUFACTURING, & HANDLING INFORMATION

Model Number CS3011-ISZ CS3012-ISZ

Peak Reflow Temp 260 °C

MSL Rating* 2

Max Floor Life 365 Days
* MSL Moisture Sensitivity Level as specified by IPC/JEDEC J-STD-020.

DS597F6

PACKAGE DRAWING 8L SOIC 150 MIL BODY PACKAGE DRAWING

CS3011 CS3012

SEATING PLANE
c A A1

DIM A

A1 B C

INCHES

JEDEC # MS-012

MILLIMETERS

DS597F6

CS3011 CS3012

Date SEP 2004 AUG 2005 AUG 2006 NOV 2007 JUL 2009
Changes Added lead-free device ordering information. Added MSL specifications. Updated legal notice. Added leaded Pb devices. Updated Typical Performance Plots. Removed Powerdown feature. Added additional information regarding open-loop and gain stability compensation. Removed lead-containing SOICs from ordering information.

DS597F6

CS3011 CS3012

Contacting Cirrus Logic Support

For all product questions and inquiries contact a Cirrus Logic Sales Representative. To find the one nearest to you go to

IMPORTANT NOTICE Cirrus Logic, Inc. and its subsidiaries “Cirrus” believe that the information contained in this document is accurate and reliable. However, the information is subject to change without notice and is provided “AS IS” without warranty of any kind express or implied . Customers are advised to obtain the latest version of relevant information to verify, before placing orders, that information being relied on is current and complete. All products are sold subject to the terms and conditions of sale supplied at the time of order acknowledgment, including those pertaining to warranty, indemnification, and limitation of liability. No responsibility is assumed by Cirrus for the use of this information, including use of this information as the basis for manufacture or sale of any items, or for infringement of patents or other rights of third parties. This document is the property of Cirrus and by furnishing this information, Cirrus grants no license, express or implied under any patents, mask work rights, copyrights, trademarks, trade secrets or other intellectual property rights. Cirrus owns the copyrights associated with the information contained herein and gives consent for copies to be made of the information only for use within your organization with respect to Cirrus integrated circuits or other products of Cirrus. This consent does not extend to other copying such as copying for general distribution, advertising or promotional purposes, or for creating any work for resale.

CERTAIN APPLICATIONS USING SEMICONDUCTOR PRODUCTS MAY INVOLVE POTENTIAL RISKS OF DEATH, PERSONAL INJURY, OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE “CRITICAL APPLICATIONS” . CIRRUS PRODUCTS ARE NOT DESIGNED, AUTHORIZED OR WARRANTED FOR USE IN PRODUCTS SURGICALLY IMPLANTED INTO THE BODY, AUTOMOTIVE SAFETY OR SECURITY DEVICES, LIFE SUPPORT PRODUCTS OR OTHER CRITICAL APPLICATIONS. INCLUSION OF CIRRUS PRODUCTS IN SUCH APPLICATIONS IS UNDERSTOOD TO BE FULLY AT THE CUSTOMER'S RISK AND CIRRUS DISCLAIMS AND MAKES NO WARRANTY, EXPRESS, STATUTORY OR IMPLIED, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR PARTICULAR PURPOSE, WITH REGARD TO ANY CIRR US PRODUCT THAT IS USED IN SUCH A MANNER. IF TH E CUSTOMER OR CUSTOMER'S CUSTOMER USES OR PERMITS THE USE OF CIRRUS PRODUCTS IN CRITICAL APPLICATIONS, CUSTOMER AGREES, BY SUCH USE, TO FULLY INDEMNIFY CIRRUS, ITS OFFICERS, DIRECTORS, EMPLOYEES, DISTRIBUTORS AND OTHER AGENTS FROM ANY AND ALL LIABILITY, INCLUDING ATTORNEYS' FEES AND COSTS, THAT MAY RESULT FROM OR ARISE IN CONNECTION WITH THESE USES. Cirrus Logic, Cirrus, and the Cirrus Logic logo designs are trademarks of Cirrus Logic, Inc. All other brand and product names in this document may be trademarks or service marks of their respective owners.

DS597F6

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived CS3012-ISZ Datasheet file may be downloaded here without warranties.

Datasheet ID: CS3012-ISZ 523150