CS3012-ISZ Cirrus Logic Inc, CS3012-ISZ Datasheet
CS3012-ISZ
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CS3012-ISZ Summary of contents
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... Frequency (Hz) http://www.cirrus.com Description The CS3011 single amplifier and the CS3012 dual am- plifier are designed for precision amplification of low- level 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 ...
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... Figure 8. Supply Current vs. Voltage, 3012 ............................................................... 5 Figure 9. Open Loop Gain and Phase vs Frequency ................................................. 5 Figure 10. Open Loop Gain and Phase vs Frequency (Expanded) ........................... 6 Figure 11. Input Bias Current vs Common Mode Voltage (CS3012) ......................... 6 Figure 12. Voltage Swing vs. Output Current (2.7 V) ................................................. 7 Figure 13. Voltage Swing vs. Output Current (5 V) .................................................... 7 Figure 14 ...
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... 25º 100 Ω 100 Ω kHz (Note kΩ to V+/2 (Note kΩ to V+/ 100 kΩ to V+/ 100 pF CS3011 CS3012 (Note 6) (Note 6) (Note 7) CS3011 CS3012 CS3011/CS3012 Min Typ Max • ±10 • - ±0.01 ±0.05 (Note 3) - ±50 - • ±1000 - ±100 - • ±2000 - ...
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... Figure 4. Offset Voltage Stability (DC to 3.2 Hz) 1.9 1.7 6 1.3 1.1 2.7 V 0.9 0.7 0 -40 Figure 6. Supply Current vs. Temperature, CS3012 CS3011 CS3012 Min T yp Max 6.8 V- -0.3 V+ +0.3 -65 +150 10 100k 1M 100 1k 10k 100 1000 10000 100000 100000 Frequency 0 Freq Figure 2 ...
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... DS597F6 1.5 1.4 1.3 1.2 1 Figure 8. Supply Current vs. Voltage, CS3012 1 10 100 100 1000 Frequency (Hz) Frequency (Hz) Figure 9. Open Loop Gain and Phase vs Frequency Supply Voltage (V) GAIN PHASE 10k 100k 1M 10M 10000 100000 100000 ...
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... K Figure 10. Open Loop Gain and Phase vs Frequency (Expand- 200 150 100 50 0 -50 -100 -150 -200 0 Figure 11. Input Bias Current vs Common Mode Voltage (CS3012) 6 100000 100 K 1000000 1 M Frequency CS3012 IB vs Common Common Mode Voltage (Vs = 5V) CS3011 CS3012 10000000 ...
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... Output Current (mA) Figure 12. Voltage Swing vs. Output Current (2.7 V) DS597F6 V+ -50 -100 -40°C -150 -200 -250 +250 +125°C +200 +150 -40°C +100 +50 V– Figure 13. Voltage Swing vs. Output Current (5 V) CS3011 CS3012 -40°C +125°C +125°C -40° Output Current (mA ...
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... CS3011/CS3012 OVERVIEW The CS301 1/CS3012 amplifiers are de signed for precision measu rement o f sign als from kHz when opera ting from a supply voltage of +2 +6.7 V (± 1.35 to ± 3.35 V). The amplifi- ers are designed with a patented architecture that utilizes multiple amplifier stages to yield very high open loop gain at frequencies of 1 kHz and below ...
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... K Figure 14. CS3011/CS3012 Open Loop Gain and Phase Response DS597F6 cade between 30 kHz and its unity gain crossover frequency at about 2.4 MHz. Phase margin at unity gain is abou t 70 degrees; gain marg in is abo ut 20 dB. 100000 ...
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... Open Loop Gain and Stability Compensation 3.2.1 Discussion The CS3011 and CS3012 achieve ultra-high open loop gain. Figure 15 il lustrates the ampl ifier in a non-inverting gain configuration ope gain and phase plo ts indicate that the amplifier is stable for closed-loop gains less than 50 V/V. For a gain of 50, the phase margin is between 40° ...
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... R R 2π ----------------------------------- where ( × 2π ------------------------ - ( )C 1 2π there is some gain higher than 0 dB (typically 20 dB) at the ha nd-over frequency (the frequ ency at which the slope changes from – 100 dB/decade to in plot so that –20 dB/decade • for R » ----- - R 1 CS3011 CS3012 11 ...
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... R1 remains fixed. Cap acitor incre ased in value to limit the amplifier’s rising noise above 1 kHz. -100 dB/dec -80 dB/dec X Margin Desired Closed -20 dB/dec Loop Gain 25 kHz 50kHz 500 kHz 1MHz 2.4 MHz 5MHz FREQUENCY CS3011 CS3012 B DS597F6 ...
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... If the powerdown is asserted low, the amplifier enters a powered down state. Th ere ll-up resistor (approximately 800 k ohm) inside the amplifier from pin 1 to the V+ supply. The current through this pull-up resistor is the main source of current drain in the powerdown state. CS3011 CS3012 in 13 ...
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... Applications The CS3011 and CS3012 amplifiers are optimum for applications that require high gain and low drift. Figure 18 illustrates a thermopile amp lifier with a gain of 650 V/V. The thermopile outputs only a few millivolts when subjected to infrared radiation. The amplifier is compensated and bandlimited combination with R2 ...
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... ORDERING INFORMATION Model CS3011-ISZ CS3012-ISZ 5. ENVIRONMENTAL, MANUFACTURING, & HANDLING INFORMATION Model Number CS3011-ISZ CS3012-ISZ * MSL (Moisture Sensitivity Level) as specified by IPC/JEDEC J-STD-020. DS597F6 Temperature -40 to +85 °C Peak Reflow Temp MSL Rating* 260 °C CS3011 CS3012 Package 8-pin SOIC, Lead Free Max Floor Life ...
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... JEDEC # : MS-012 CS3011 CS3012 ∝ L 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 ...
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... JUL 2009 DS597F6 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. CS3011 CS3012 17 ...
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... TORNEYS' 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. 18 www.cirrus.com CS3011 CS3012 DS597F6 ...