CS3301-ISZ

CS3301-ISZ Datasheet


CS3301

Part Datasheet
CS3301-ISZ CS3301-ISZ CS3301-ISZ (pdf)
Related Parts Information
CS3301-ISZR CS3301-ISZR CS3301-ISZR
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CS3301

Low-noise, Programmable Gain, Differential Amplifier

Features & Desription
z Signal Bandwidth DC to 2 kHz z Selectable Gain x1, x2, x4, x8, x16, x32, x64 z Differential Inputs, Differential Outputs
• Multiplexed inputs INA, INB, termination
• Rough / fine charge outputs for CS5371/72
• Max signal amplitude 5 Vpp differential
• Low input bias 500 pA
z Outstanding Noise Performance
• µVp-p between Hz and 10 Hz
• nV/ Hz from Hz to 2 kHz
z Low Total Harmonic Distortion
• -118 dB THD typical
• -112 dB THD maximum
z Low Power Consumption
• Normal/LPWR/PWDN mA, mA, 10 µA
z Single or Dual Power Supply Configurations
• VA+ = +5 V VA- = 0 V VD = V to +5 V
• VA+ = V;VA- = V;VD = V

The CS3301 is a low-noise differential input, differential output amplifier with programmable gain, optimized for amplifying signals from low-impedance sensors such as geophones. The gain settings are binary 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 termination can also be selected for noise tests.

Amplifier noise performance is outstanding with a noise density of nV/ Hz over the Hz to 2 kHz bandwidth. Distortion performance is also extremely good, typically -118 dB THD. Flat noise down to Hz and low total harmonic distortion make this amplifier ideal for low-frequency, low-amplitude, differential signals requiring maximum dynamic range.
ORDERING INFORMATION

See page

INA+ INB+

MUX0 MUX1

INAINB-
658000

OUTR+

OUTF+
65800

GAIN0 GAIN1 GAIN2
65800

OUTF-

OUTR-
65800

LPWR PWDN DGND

Copyright Cirrus Logic, Inc. 2007 All Rights Reserved

DEC ‘07 DS595F3

CS3301

TABLE OF CONTENTS

CHARACTERISTICS AND SPECIFICATIONS 4 SPECIFIED OPERATING CONDITIONS 4 ABSOLUTE MAXIMUM RATINGS 4 THERMAL CHARACTERISTICS 5 ANALOG CHARACTERISTICS 5 DIGITAL CHARACTERISTICS 8 POWER SUPPLY CHARACTERISTICS 9

GENERAL DESCRIPTION 10 Analog Signals 10 Analog 10 Analog Outputs 10 Differential 11 Digital Signals 11 Clock 11 Gain Selection 11 Mux Selection 11 Low Power Selection 11 Power Down 11 2.11.Power Supplies 11 Analog Power 11 Digital Power 12 2.14.Connection 13
PIN DESCRIPTION 14 ORDERING INFORMATION 15 ENVIRONMENTAL, MANUFACTURING, & HANDLING INFORMATION 15 PACKAGE DIMENSIONS 16

DS595F3

CS3301

LIST OF FIGURES

Figure CS3301 Noise Performance 5 Figure Digital Input Rise and Fall Times 8 Figure Multi-Channel System 10 Figure CS3301 Amplifier Connections 13 Figure CS3301 Pin Assignments 14

LIST OF TABLES

Table Digital Selections for Gain and Input Mux Control 8 Table Pin Descriptions 14

Date JUL 2003 AUG 2005 SEP 2005

DEC 2007

Changes Final preliminary release. Updated legal notice. Added MSL data. Updated anti-alias resistor values, relative gain accuracy, CS4373A part number. Added watermark to indicate device is not recommended for new designs.

Contacting Cirrus Logic Support

For all product questions and inquiries contact a Cirrus Logic Sales Representative. To find one nearest you go to

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. No responsibility is assumed by Cirrus for the use of this information, including use of this information as the basis for manufacture or sale of any items, or for infringement of patents or other rights of third parties. This document is the property of Cirrus and by furnishing this information, Cirrus grants no license, express or implied under any patents, mask work rights, copyrights, trademarks, trade secrets or other intellectual property rights. Cirrus owns the copyrights associated with the information contained herein and gives consent for copies to be made of the information only for use within your organization with respect to Cirrus integrated circuits or other products of Cirrus. This consent does not extend to other copying such as copying for general distribution, advertising or promotional purposes, or for creating any work for resale.

CERTAIN APPLICATIONS USING SEMICONDUCTOR PRODUCTS MAY INVOLVE POTENTIAL RISKS OF DEATH, PERSONAL INJURY, OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE “CRITICAL APPLICATIONS” . CIRRUS PRODUCTS ARE NOT DESIGNED, AUTHORIZED OR WARRANTED FOR USE IN PRODUCTS SURGICALLY IMPLANTED INTO THE BODY, AUTOMOTIVE SAFETY OR SECURITY DEVICES, LIFE SUPPORT PRODUCTS OR OTHER CRITICAL APPLICATIONS. INCLUSION OF CIRRUS PRODUCTS IN SUCH APPLICATIONS IS UNDERSTOOD TO BE FULLY AT THE CUSTOMER'S RISK AND CIRRUS DISCLAIMS AND MAKES NO WARRANTY, EXPRESS, STATUTORY OR IMPLIED, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR PARTICULAR PURPOSE, WITH REGARD TO ANY CIRRUS PRODUCT THAT IS USED IN SUCH A MANNER. IF THE CUSTOMER OR CUSTOMER'S CUSTOMER USES OR PERMITS THE USE OF CIRRUS PRODUCTS IN CRITICAL APPLICATIONS, CUSTOMER AGREES, BY SUCH USE, TO FULLY INDEMNIFY CIRRUS, ITS OFFICERS, DIRECTORS, EMPLOYEES, DISTRIBUTORS AND OTHER AGENTS FROM ANY AND ALL LIABILITY, INCLUDING ATTORNEYS' 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.

DS595F3

CS3301

CHARACTERISTICS AND SPECIFICATIONS
• Min/Max characteristics and specifications are guaranteed over the Specified Operating Conditions.
• Typical performance characteristics and specifications are derived from measurements taken at nom-
inal supply voltages and TA = 25°C.
• DGND = 0 V, all voltages with respect to 0 V.

SPECIFIED OPERATING CONDITIONS

Parameter Unipolar Power Supplies Positive Analog Negative Analog Positive Digital Bipolar Power Supplies Positive Analog Negative Analog Positive Digital Thermal Ambient Operating Temperature

Note 1

Note 2

Note 1

Note 2

Industrial -IS TA

Max Unit

Notes VA- must be the most negative voltage to avoid potential SCR latch-up conditions. VD must conform to Digital Supply Differential under Absolute Maximum Ratings.

ABSOLUTE MAXIMUM RATINGS

Parameter

DC Power Supplies

Positive Analog Negative Analog

Digital

Analog Supply Differential [ VA+ - VA- ]

Digital Supply Differential [ VD - VA- ]

Input Current, Any Pin Except Supplies

Note 3

Input Current, Power Supplies

Note 3
ORDERING INFORMATION

Model CS3301-IS CS3301-ISZ lead free

Temperature -40 to +85 °C

CS3301

Package 24-pin SSOP

ENVIRONMENTAL, MANUFACTURING, & HANDLING INFORMATION

Model Number CS3301-IS CS3301-ISZ lead free

Peak Reflow Temp 240 °C 260 °C

MSL Rating* 2 3

Max Floor Life 365 Days 7 Days
* MSL Moisture Sensitivity Level as specified by IPC/JEDEC J-STD-020.

DS595F3

CS3301

PACKAGE DIMENSIONS 24 PIN SSOP PACKAGE DRAWING

SIDE VIEW

SEATING PLANE

END VIEW

TOP VIEW

INCHES

MILLIMETERS

NOTE
2,3 1

Notes “D” and “E1” are reference datums and do not included mold flash or protrusions, but do include mold mismatch and are measured at the parting line, mold flash or protrusions shall not exceed mm per side.

Dimension “b” does not include dambar protrusion/intrusion. Allowable dambar protrusion shall be mm total in excess of “b” dimension at maximum material condition. Dambar intrusion shall not reduce dimension “b” by more than mm at least material condition.

These dimensions apply to the flat section of the lead between and mm from lead tips.

DS595F3
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Datasheet ID: CS3301-ISZ 523153