CS3301A datasheet(1/16 Pages) CIRRUS

номер детали	CS3301A

подробное описание детали	Low-noise, Programmable Gain, Differential Amplifier

PDF	16 Pages

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производитель	CIRRUS [Cirrus Logic]

домашняя страница	http://www.cirrus.com

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http://www.cirrus.com

CS3301A

Low-noise, Programmable Gain, Differential Amplifier

Features & Desription

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 outputs for CS5371A / 72A / 73A

• Max signal amplitude: 5 Vpp differential

• Low input bias: 1 nA typical

Outstanding Noise Performance

• 8.5

from 0.1 Hz to 2 kHz

•0.180

µVp-p between 0.1 Hz and 10 Hz

Low Total Harmonic Distortion

• -121 dB THD typical (0.0000891%)

• -112 dB THD maximum (0.0002512%)

Low Power Consumption

• Normal operation: 5.5 mA typical

• Power down: 10

µA typical

Small 24-pin SSOP Package

Bipolar Power Supply Configuration

• VA+ = +2.5 V; VA- = -2.5 V; VD = +3.3 V

Description

The CS3301A is a low-noise differential input, dif-

ferential output amplifier with programmable gain,

optimized for amplifying signals from low-imped-

ance sensors such as geophones. The gain

settings are binary weighted (x1, x2, x4, x8, x16,

x32, x64) and are selected using simple pin set-

tings. Two sets of external inputs, INA and INB,

simplify system design as inputs from a sensor and

test DAC. An internal 800

Ω termination can also be

selected for noise tests.

Amplifier noise performance is outstanding with a

noise density of 8.5

over the 0.1 Hz to

2 kHz bandwidth. Distortion performance is also ex-

tremely good, typically -121 dB THD at x1 gain. Flat

noise down to 0.1 Hz and low total harmonic distor-

tion make this amplifier ideal for low-frequency,

low-amplitude, differential signals requiring maxi-

mum dynamic range.

ORDERING INFORMATION

See page 15.

nV/ Hz

INA+

INB+

MUX0

MUX1

INB-

INA-

VA+

VA-

VD

GND

CLK

OUTR+

OUTF+

GAIN0

GAIN1

GAIN2

OUTF-

OUTR-

PWDN

+

-

+

MAR ‘07

DS757F1

Аналогичный номер детали - CS3301A

производитель	номер детали	датащи	подробное описание детали
Cirrus Logic	CS3301	266Kb / 16P	Low-noise, Programmable Gain, Differential Amplifier
	CS3301	346Kb / 16P	Low-noise, Programmable Gain, Differential Amplifier
	CS3301-IS	266Kb / 16P	Low-noise, Programmable Gain, Differential Amplifier
	CS3301-IS	346Kb / 16P	Low-noise, Programmable Gain, Differential Amplifier
	CS3301-ISZ	266Kb / 16P	Low-noise, Programmable Gain, Differential Amplifier

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Аналогичное описание - CS3301A

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