CS3014_09

7/29/09 CS3014 Low-power / Low-voltage Precision Amplifier Features & Description      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 Offset: – 10 μV Typ. Low Drift: – 0.05 μV/°C Max. Low Noise: – 22 nV/√Hz Open-loop Voltage Gain: – 135 dB Typ. Rail-to-Rail Inputs  Rail-to-Rail Output Swing – to within 20 mV of supply voltage   Pin Configurations 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 8-Lead SOIC 8 V+ A -+ B +7 Out B 6 -In B 5 +In B Applications     Thermocouple/Thermopile Amplifiers Load Cell and Bridge Transducer Amplifiers Precision Instrumentation Battery-powered Systems 1000 300 200 100 100 0 10 -100 -200 1 0.01 0.1 1 10 -300 Frequency (Hz) 0 1 2 3 4 5 6 7 8 9 10 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. 2009 (All Rights Reserved) JUL ‘09 DS711F2 7/29/09 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 6. REVISION HISTORY ..................................................................................... 9 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 2 DS711F2 7/29/09 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. DS711F2 3 7/29/09 CS3014 1.2 3 V Electrical Characteristics Parameter Min (Note 6) • (Note 6) • • • 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) • • • RL = 2 kΩ to V+/2 • RL = 2 kΩ to V+/2 • RL = 100 kΩ to V+/2 RL = 2 k, 100 pF • Differential Common Mode V105 100 112 (V+ – 200) (V+ – 20) 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 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 DS711F2 7/29/09 CS3014 1.3 Absolute Maximum Ratings Parameter Min T 2.7 (V-) – (0.3) -65 yp 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 Figure 1. Noise vs. Frequency (Measured) Figure 2. 0.01 Hz to 10 Hz Noise Time (sec) 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 DS711F2 Phase (Deg.) Gain (dB) Gain (dB) 270 225 180 135 90 45 5 7/29/09 CS3014 Typical Performance Plots (Cont.) V+ -50 -100 V+ +125°C -40°C -50 -100 +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) 6 DS711F2 7/29/09 CS3014 3. PACKAGE DRAWINGS 8L SOIC (150 MIL BODY) PACKAGE DRAWING E H 1 b D SEATING PLANE e A1 A L c ∝ 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 DS711F2 7 7/29/09 CS3014 4. ORDERING INFORMATION Part # CS3014-FSZ Temperature Range -40 °C to +125 °C Package Description 8-lead SOIC, Lead Free 5. ENVIRONMENTAL, MANUFACTURING, & HANDLING INFORMATION Model Number CS3014-FSZ 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. 8 DS711F2 7/29/09 CS3014 6. REVISION HISTORY Revision A1 F1 F2 Date FEB 2007 AUG 2007 JUL 2009 First public release. Updated to “Final” per QPL process. Removed lead-containing SOIC & QFN packages from ordering information. Changes DS711F2 9 7/29/09 CS3014 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. 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