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CS3302-IS Scheda tecnica(PDF) 1 Page - Cirrus Logic |
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CS3302-IS Scheda tecnica(HTML) 1 Page - Cirrus Logic |
1 / 16 page Copyright © Cirrus Logic, Inc. 2007 (All Rights Reserved) http://www.cirrus.com CS3302 High-Z, Programmable Gain, Differential Amplifier Features & Description Signal Bandwidth: DC to 2 kHz Selectable Gain: x1, x2, x4, x8, x16, x32, x64 Differential Inputs, Differential Outputs • Multiplexed inputs: INA, INB, 800 Ω termination • Rough / fine charge outputs for CS5371/72 • Max signal amplitude: 5 Vpp differential • Ultra-low input bias: < 1 pA Excellent Noise Performance •1 µVp-p between 0.1 Hz and 10 Hz • 8.5 nV/ √Hz from 200 Hz to 2 kHz Low Total Harmonic Distortion • -118 dB THD typical (0.000126%) • -112 dB THD maximum (0.000251%) Low Power Consumption • Normal / LPWR / PWDN: 5 mA, 3.3 mA, 10 µA Single or Dual Power Supply Configurations • VA+ = +5 V; VA- = 0 V; VD = +3.3 V to +5 V • VA+ = +2.5 V; VA- = -2.5 V; VD = +3.3 V Description The CS3302 is a high-input-impedance, differential in- put, differential output amplifier with programmable gain, optimized for amplifying signals from high-impedance sensors such as hydrophones. The gain settings are bi- nary weighted (x1, x2, x4, x8, x16, x32, x64) and are selected using simple pin settings. Two sets of external inputs, INA and INB, simplify system design as inputs from a sensor and test DAC. An internal 800 Ω termina- tion can also be selected for noise tests. Amplifier input impedance is very high, requiring less than 1 pA of input current. Noise performance is very good at 1 µVp-p between 0.1 Hz and 10 Hz, and a noise density of 8.5 nV/ √Hz over the 200 Hz to 2 kHz band- width. Distortion performance is also extremely good, typically -118 dB THD. Low input current, low noise, and low total harmonic distortion make this amplifier ideal for high-impedance differential sensors requiring maximum dynamic range. ORDERING INFORMATION See page 15. INA+ INB+ MUX0 MUX1 INB- INA- VA+ VA- VD DGND GUARD OUTR+ OUTF+ GAIN0 GAIN1 GAIN2 OUTF- OUTR- LPWR PWDN + - - + 500 Ω 500 Ω 500 Ω 500 Ω 640 640 640 640 DEC ‘07 DS596F3 |
Codice articolo simile - CS3302-IS |
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Descrizione simile - CS3302-IS |
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