CS3302-IS datasheet(1/16 Pages) CIRRUS

Numer części	CS3302-IS

Szczegółowy opis	High-Z, Programmable Gain, Differential Amplifier

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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

DEC ‘07

DS596F3

Podobny numer części - CS3302-IS

Producent	Numer części	Arkusz danych	Szczegółowy opis
Cirrus Logic	CS3302-IS	268Kb / 15P	HIGH Z PROGRAMMABLE GAIN DIFFERENTIAL AMPLIFIER

More results

Podobny opis - CS3302-IS

Producent	Numer części	Arkusz danych	Szczegółowy opis
Cirrus Logic	CS3302	268Kb / 15P	HIGH Z PROGRAMMABLE GAIN DIFFERENTIAL AMPLIFIER
Cirrus Logic	CS3302A	376Kb / 16P	High-Z, Programmable Gain, Differential Amplifier
Texas Instruments	PGA870	1Mb / 26P	[Old version datasheet] High-Speed, Fully Differential, Programmable-Gain Amplifier
National Semiconductor ...	PGA870	2Mb / 39P	High-Speed, Fully Differential, Programmable-Gain Amplifier
Texas Instruments	PGA870	1Mb / 24P	[Old version datasheet] High-Speed, Fully Differential, Programmable-Gain Amplifier
Cirrus Logic	CS3301	346Kb / 16P	Low-noise, Programmable Gain, Differential Amplifier
	CS3301A	355Kb / 16P	Low-noise, Programmable Gain, Differential Amplifier
	CS3301	266Kb / 16P	Low-noise, Programmable Gain, Differential Amplifier
Zilog, Inc.	ZGFI7101	671Kb / 14P	High Gain Differential Amplifier
Burr-Brown (TI)	PGA102	96Kb / 8P	High Speed PROGRAMMABLE GAIN AMPLIFIER

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