CS3014

8/27/07 CS3014 Low-power / Low-voltage Precision Amplifier Features & Description Low Offset: – 10 µV Typ. Description The CS3004 dual amplifier is designed for precision amplification of low-level signals. These amplifiers achieve excellent offset stability, high open loop gain, and low noise. The devices also exhibit excellent CMRR and PSRR. The common mode input range includes the supply rails. The amplifiers operate with any supply voltage from 2.7 V to 5 V (±1.35 V to ±2.50 V). Low Drift: – 0.05 µV/°C Max. Low Noise: – 22 nV/√Hz Open-loop Voltage Gain: Rail-to-Rail Inputs Rail-to-Rail Output Swing – 135 dB Typ. Pin Configurations – to within 20 mV of supply voltage 1.0 mA Supply Current Slew rate: – 0.25 V/µs CS3014 (Top View) Out A 1 -In A 2 +In A 3 V- 4 -+ B +A 8 V+ 7 Out B 6 -In B 5 +In B OUT A 1 -IN A 2 +IN A 3 V- 4 A –+ Exposed Thermal Die Pad Exposed Thermal2 Die Pad 8 V+ 7 OUT B 6 -IN B 5 +IN B Applications Thermocouple/Thermopile Amplifiers Load Cell and Bridge Transducer Amplifiers Precision Instrumentation Battery-powered Systems B +– 8-Lead SOIC 1. Must not be connected. 2. Connect thermal die pad to V-. QFN-8 1000 300 200 100 100 0 10 -100 -200 1 0.01 0.1 1 10 -300 0 1 2 3 4 5 6 7 8 9 10 Frequency (Hz) Time (sec) Noise vs. Frequency (Measured) 0.01 Hz to 10 Hz Noise Performance Cirrus Logic, Inc. http://www.cirrus.com Copyright © Cirrus Logic, Inc. 2007 (All Rights Reserved) AUG ‘07 DS711F1 8/27/07 CS3014 TABLE OF CONTENTS 1. CHARACTERISTICS AND SPECIFICATIONS ............................................. 3 1.1 5 V Electrical Characteristics ................................................................... 3 1.2 3 V Electrical Characteristics ................................................................... 4 1.3 Absolute Maximum Ratings ..................................................................... 5 2. TYPICAL PERFORMANCE PLOTS .............................................................. 5 3. PACKAGE DRAWINGS ................................................................................. 6 4. ORDERING INFORMATION .......................................................................... 8 5. ENVIRONMENTAL, MANUFACTURING, & HANDLING INFORMATION ... 8 LIST OF FIGURES Figure 1. Figure 2. Figure 3. Figure 4. Figure 5. Figure 6. Figure 7. Figure 8. Noise vs. Frequency (Measured) ................................................................................5 0.01 Hz to 10 Hz Noise ...............................................................................................5 Gain & Phase vs. Frequency (2.7 V) ...........................................................................5 Gain & Phase vs. Frequency (5 V) ..............................................................................5 Supply Current vs. Supply Voltage ..............................................................................5 Supply Current vs. Temperature .................................................................................5 Voltage Swing vs. Output Current (2.7 V) ...................................................................6 Voltage Swing vs. Output Current (5 V) ......................................................................6 Contacting Cirrus Logic Support For all product questions and inquiries contact a Cirrus Logic Sales Representative. To find one nearest you go to http://www.cirrus.com 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 AIRCRAFT SYSTEMS, MILITARY APPLICATIONS, 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 CIRRUS PRODUCT THAT IS USED IN SUCH A MANNER. IF THE 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. 2 DS711F1 8/27/07 CS3014 1. CHARACTERISTICS AND SPECIFICATIONS 1.1 5 V Electrical Characteristics Parameter Input Offset Voltage Average Input Offset Drift Input Bias Current • Input Offset Current • Input Noise Voltage Density Input Noise Voltage Input Noise Current Density Input Noise Current Input Voltage Range Common Mode Rejection Ratio (dc) Power Supply Rejection Ratio Large Signal Voltage Gain (Note 3) Output Voltage Swing (Note 4) Slew Rate Overload Recovery Time Supply Current Oscillator Frequency Input Capacitance Differential Common Mode • RS = 100 Ω, f0 = 1 Hz RS = 100 Ω, f0 = 1 kHz 0.1 to 10 Hz f0 = 1 Hz 0.1 to 10 Hz (Note 2) • • • RL = 2 kΩ to V+/2 • RL = 2 kΩ to V+/2 • RL = 100 kΩ to V+/2 RL = 2 k, 100 pF (Note 2) • (Note 2) • Min V105 100 112 (V+ – 200) (V+ – 20) Typ ±10 ±0.01 ±170 ±340 22 22 460 100 1.9 120 120 145 135 0.25 40 1.0 125 1.5 10 Max ±20 ±0.05 ±250 ±1.5 ±500 ±3.0 V+ (V- + 200) (V- + 20) 1.25 Unit µV µV/ºC pA nA pA nA nV/ Hz nV/ Hz V+ = +5 V, ±5%; V- = 0V; VCM = 2.5 V; Unless otherwise noted, TA = 25º C (See Note 1). nVp-p fA/ Hz pAp-p V dB dB dB dB mV mV V/µs µs mA kHz pF pF Notes: 1. Symbol “•” denotes specification applies over -40 to +125 ° C. 2. This parameter is guaranteed by design and/or laboratory characterization. 3. Guaranteed within the output limits of (V+ – 0.2 V) to (V- + 0.2 V). 4. Specifies the worst case drive voltage relative to the supply rail under stated load conditions. DS711F1 3 8/27/07 CS3014 1.2 3 V Electrical Characteristics Parameter Min (Note 6) • (Note 6) • • V105 100 112 (V+ – 200) (V+ – 20) • Differential Common Mode • • RL = 2 kΩ to V+/2 • RL = 2 kΩ to V+/2 • RL = 100 kΩ to V+/2 RL = 2 k, 100 pF Typ ±10 ±0.01 ±110 ±220 22 22 460 100 1.9 120 120 145 135 0.25 40 1.0 125 1.5 10 Max ±20 ±0.05 ±150 ±1.0 ±300 ±2.0 V+ (V- + 200) (V- + 20) 1.25 Unit µV µV/ºC pA nA pA nA nV/ Hz nV/ Hz V+ = +3 V, ±10%; V- = 0V; VCM = 1.5 V; Unless otherwise noted, TA = 25º C (See Note 5). Input Offset Voltage Average Input Offset Drift Input Bias Current Input Offset Current • Input Noise Voltage Density Input Noise Voltage Input Noise Current Density Input Noise Current Input Voltage Range Common Mode Rejection Ratio (dc) Power Supply Rejection Ratio Large Signal Voltage Gain (Note 7) Output Voltage Swing (Note 8) Slew Rate Overload Recovery Time Supply Current Oscillator Frequency Input Capacitance RS = 100 Ω, f0 = 1 Hz RS = 100 Ω, f0 = 1 kHz 0.1 to 10 Hz f0 = 1 Hz 0.1 to 10 Hz (Note 6) • nVp-p fA/ Hz pAp-p V dB dB dB dB mV mV V/µs µs mA kHz pF pF Notes: 5. Symbol “•” denotes specification applies over -40 to +125 ° C. 6. This parameter is guaranteed by design and laboratory characterization. 7. Guaranteed within the output limits of (V+ – 0.2 V) to (V- + 0.2 V). 8. Specifies the worst case drive voltage relative to the supply rail under stated load conditions. 4 DS711F1 8/27/07 CS3014 1.3 Absolute Maximum Ratings Parameter Min 2.7 (V-) – (0.3) -65 Typ Max 5.5 (V+) + (0.3) +150 Unit V V ºC Supply Voltage Input Voltage [(V+) – (V-)] Storage Temperature Range 2. TYPICAL PERFORMANCE PLOTS 1000 300 200 100 100 0 10 -100 -200 1 0.01 0.1 1 10 Frequency (Hz) -300 0 1 2 3 4 5 6 7 8 9 10 Time (sec) Figure 1. Noise vs. Frequency (Measured) Figure 2. 0.01 Hz to 10 Hz Noise 180 160 140 120 100 80 60 40 20 0 -20 0.001 0.01 0.1 1 10 100 1k 10k 100k 1M 270 225 180 135 90 45 0 -45 -90 -135 -180 10M 180 160 140 120 100 80 60 40 20 0 -20 0.001 0.01 Phase (Deg.) 0 0.1 1 10 100 1k 10k 100k 1M -45 -90 -135 -180 10M Frequency (Hz) Frequency (Hz) Figure 3. Gain & Phase vs. Frequency (2.7 V) Figure 4. Gain & Phase vs. Frequency (5 V) 1.00 Supply Current (mA) 2.5 Supply Current (mA) 0.95 0.90 0.85 0.80 2.5 3 3.5 4 4.5 5 5.5 2.0 1.5 1.0 0.5 -40 5V 2.7V -15 10 35 60 85 110 125 Supply Voltage Temperature (°C) Figure 5. Supply Current vs. Supply Voltage Figure 6. Supply Current vs. Temperature DS711F1 Phase (Deg.) Gain (dB) Gain (dB) 270 225 180 135 90 45 5 8/27/07 CS3014 Typical Performance Plots (Cont.) V+ -50 -100 V+ -50 -100 +125°C -40°C +125°C -40°C Output Voltage (mV) Output Voltage (mV) -150 -200 +25°C -150 -200 +25°C +200 +150 +100 +50 V– -40°C +25°C +125°C +200 +150 +100 +50 V– -40°C +25°C +125°C 0 1 2 3 4 5 0 1 2 3 4 5 Output Current (mA) Output Current (mA) Figure 7. Voltage Swing vs. Output Current (2.7 V) Figure 8. Voltage Swing vs. Output Current (5 V) 3. PACKAGE DRAWINGS 8L SOIC (150 MIL BODY) PACKAGE DRAWING E H 1 b D SEATING PLANE e A1 c A L ∝ DIM A A1 B C D E e H L ∝ MIN 0.053 0.004 0.013 0.007 0.189 0.150 0.040 0.228 0.016 0° INCHES MAX 0.069 0.010 0.020 0.010 0.197 0.157 0.060 0.244 0.050 8° MILLIMETERS MIN MAX 1.35 1.75 0.10 0.25 0.33 0.51 0.19 0.25 4.80 5.00 3.80 4.00 1.02 1.52 5.80 6.20 0.40 1.27 0° 8° JEDEC # : MS-012 6 DS711F1 8/27/07 CS3014 8L QFN (4 mm X 4 mm) PACKAGE DRAWING DS711F1 7 8/27/07 CS3014 4. ORDERING INFORMATION Part # CS3014-FS CS3014-FSZ CS3014-FNZ* * Connect thermal die pad to V-. Temperature Range -40 °C to +125 °C -40 °C to +125 °C -40 °C to +125 °C Package Description 8-lead SOIC 8-lead SOIC, Lead Free 8-lead QFN, Lead Free 5. ENVIRONMENTAL, MANUFACTURING, & HANDLING INFORMATION Model Number CS3014-FS CS3014-FSZ CS3014-FNZ Peak Reflow Temp 240 °C 260 °C 2 365 Days MSL Rating* Max Floor Life * MSL (Moisture Sensitivity Level) as specified by IPC/JEDEC J-STD-020. 6. REVISION HISTORY Revision A1 F1 Date FEB 2007 AUG 2007 First public release. Updated to “Final” per QPL process. Changes 8 DS711F1