AUDIO A/D CONVERTER CS5346 CS5346 48-PIN LQFP (actual size: 7 mm x 7 mm) VA = 5; CS5346 24 103 –95 192 Single-ended VD = 3.3; VL = 3.3 to 5 commercial (–40 to 85 ˚C) and automotive (–40 to one of which can be selected for line level inputs or 105 ˚C) grades. This cost effective solution is an addition microphone level inputs. The microphone input path to Cirrus Logic’s wide portfolio of A/D converters and is includes a 32 dB gain pre-amplifier, and a pin-to-pin compatible with the CS5345. filtering/decimation. Sampled data is transmitted by the serial audio interface at rates from 8 kHz to 192 kHz in either slave or master mode. With its high F +1-512-851-4977 Toll-Free +1-800-888-5016 SALES SUPPORT North America +1 800-625-4084 Asia Pacific +852 2376-0801 Japan +81 (3) 5226-7757 Europe/UK +44 (90) 1628-891-300 LEARN MORE AT www.cirrus.com Package an input switch which supports up to six stereo inputs, 5th order, multibit Delta-Sigma modulator and digital T +1-512-851-4000 48 LQFP THD+N and is available in a 48-pin LQFP package in The output of the PGA is followed by an advanced United States High input impedance The CS5346 achieves 103 dB dynamic range, –95 dB 1 dB step sizes. Austin, Texas 78746 Mic Pre-amp, PGA with a highly integrated analog front end. It includes line level and microphone inputs with ±12 dB gain and 2901 Via Fortuna 6:1 Stereo input MUX The CS5346 is a 24-bit stereo audio A/D converter programmable gain amplifier is available for both the CIRRUS LOGIC, INC. Comments Power Supply (V) Analog Inputs Sample Rate (kHz) THD+N (dB) Dynamic Range (dB) Resolution (bits) Part HIGH INPUT IMPEDANCE AUDIO ADC WITH 6:1 MUX, PGA, MIC PRE integration, the CS5346 helps the designer reduce the complexity of the analog input circuitry, which reduces the need for additional components and time to market while preserving premium performance for consumer applications such as home theaters, DVD recorders and sounds cards. AUDIO A/D C O N V E R T E R | C S 5 3 4 6 CS5346 FEATURES • 103 dB dynamic range • –95 dB THD+N • Stereo 6:1 input multiplexer • Programmable Gain Amplifier (PGA) • ±12 dB gain, 0.5 dB step size • Zero-crossing, click-free transitions • Stereo microphone inputs • +32 dB gain stage • Low-noise bias supply • Up to 192 kHz sampling rates • Selectable 24-bit, left-justified or I²S serial • Audio interface formats • Power-down mode • Power supply • 5 V analog power supply • 3.3 V digital power supply • 3.3 V to 5 V logic levels • Package • 48-pin LQFP • Pin-compatible with CS5345 © 2008 Cirrus Logic, Inc. All rights reserved. Product information is subject to change without notice. Cirrus Logic, Cirrus and the Cirrus Logic logo designs are trademarks of Cirrus Logic, Inc. Other brand and product names may be trademarks or service marks of their respective owners. Product Bulletin 0223-1008-PB