AS3515 austriamicrosystems, AS3515 Datasheet

no-image

AS3515

Manufacturer Part Number
AS3515
Description
CABGA 64 (7x7)
Manufacturer
austriamicrosystems
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AS3515
Manufacturer:
ams
Quantity:
10 000
Part Number:
AS3515
Manufacturer:
AMS
Quantity:
20 000
Part Number:
AS3515-T
Manufacturer:
ams
Quantity:
10 000
Part Number:
AS3515-ZV14
Manufacturer:
IDT
Quantity:
4 000
Part Number:
AS3515D-ECTP
Manufacturer:
ams
Quantity:
10 000
AS3515 V14
Product Brief
AS3515
Stereo Audio Codec with System Power Management
1 General Description
The AS3515 is a low power stereo audio codec and is
designed for Portable Digital Audio Applications. It allows
playback in CD quality and recording in FM-stereo quality. It
has a variety of audio inputs and outputs to directly connect
electret microphones, 16Ω headset, 4Ω speaker and auxiliary
signal sources via a 10-channel mixer. It only consumes 22mW
in playback mode.
Further the device offers advanced power management
functions. All necessary ICs and peripherals in a flash based
Digital Audio Player are supplied by the AS3515. The power
management block generates 9 different supply voltages out of
the battery supply. CPU, NAND flash, SRAM, memory cards,
LCD back-light, USB RX/TX can be powered. The different
supply voltages are programmable via the serial control
interface. It also contains a charger and is designed for battery
supplies from 1V to 5V.
The AS3515 has an on-chip, phase locked loop (PLL)
controlled, clock generator. It generates 44.1kHz, 48kHz and
other sample rates defined in MP3, AAC, WMA, OGG VORBIS
etc. No additional external crystal or PLL is needed. Further the
AS3515 has an independent 32kHz real time clock (RTC) on
chip which allows a complete power down of the system CPU.
2 Key Features
Multi-bit Sigma Delta Converters
– DAC: 18bit with 94dB SNR (‘A’ weighted) , 48kHz
– ADC: 14bit with 82dB SNR (‘A’ weighted), 16kHz
2 Microphone Inputs
– 3 gain pre-setting (28dB/34dB/40dB) and AGC
– 32 gain steps @1.5dB and MUTE
– supply for electret microphone
– microphone detection
– remote control by switch
2 Line Inputs
– volume control via serial interface
– 32 steps @1.5dB and MUTE
– stereo or 2x mono or mono differential
Line Outputs
– volume control via serial interface
– 32 steps @1.5dB and MUTE
– 1Vp @10kΩ
Audio Mixer
– 10 channel input/output mixer with AGC
– mixes line inputs and microphones with DAC
– left and right channels independent
www.austriamicrosystems.com
Revision 3.04
High Efficiency Headphone Amplifier
– volume control via serial interface
– 32 steps @1.5dB and MUTE
– 2x40mW @16Ω driver capability
– headphone and over-current detection
– phantom ground eliminates large capacitors
High Power Speaker Amplifier
– volume control via serial interface
– 32 steps @1.5dB and MUTE
– 2x500mW @8Ω driver capability
– over-current detection
Power Management
– step up for system supply (3.0V – 3.6V)
– charge pump for CPU core (0.85V – 1.8V, 200mA)
– step up for backlight (15V, 38.5mA)
– LDO for digital supply (2.9V, 200mA)
– LDO for analogue supply (2.9V, 200mA)
– LDO for peripherals (1.7V-3.3V, 200mA)
– LDO for peripherals (3.1V-3.3V, 200mA)
– LDO for RTC (1.0V-2.5V, 2mA)
– LDO for USB 1.1 transceiver (3.26V, 10mA)
– battery supervision
– 10sec emergency shut-down
Battery Charger
– automatic trickle charge (50mA)
– prog. constant current charging (100-400mA)
– prog. constant voltage charging (3.9V-4.25V)
Real Time Clock
– ultra low power 32kHz oscillator
– 32bit RTC sec counter
– selectable alarm (seconds or minutes)
General Purpose ADC
– 10bit resolution
– 16 inputs analogue multiplexer
Interfaces
– I²S digital audio interface
– 2 wire serial control interface
– watchdog via serial interface
– power good pin
– 128bit unique ID (OTP)
– 17 different interrupts
Package CTBGA64 [7.0x7.0x1.1mm] 0.8mm pitch
3 Application
Portable Digital Audio Player and Recorder
PDA, Smartphone
austriamicrosystems
Product Brief
1
-
3

Related parts for AS3515

AS3515 Summary of contents

Page 1

... AS3515 Stereo Audio Codec with System Power Management 1 General Description The AS3515 is a low power stereo audio codec and is designed for Portable Digital Audio Applications. It allows playback in CD quality and recording in FM-stereo quality. It has a variety of audio inputs and outputs to directly connect electret microphones, 16Ω ...

Page 2

... AS3515 V14 Product Brief 4 Block Diagram Figure 1 AS3515 Block Diagram www.austriamicrosystems.com Revision 3.04 austriamicrosystems - 2 3 ...

Page 3

... AS3515 V14 Product Brief 5 Copyright Copyright © 1997-2006, austriamicrosystems AG, Schloss Premstaetten, 8141 Unterpremstaetten, Austria-Europe. Trademarks Registered ®. All rights reserved. The material herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. All products and companies mentioned are trademarks of their respective companies. ...

Related keywords