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Dialog Semiconductor - Ultra-low power stereo codec

Numéro de référence DA7210
Description Ultra-low power stereo codec
Fabricant Dialog Semiconductor 
Logo Dialog Semiconductor 





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DA7210 fiche technique
DA7210
Ultra-low power stereo codec
Company confidential
General description
The DA7210 is a high fidelity audio codec with integrated true-ground capless headphone driver
suitable for a variety of low power, digital portable audio products.
Featuring a high efficiency headphone amplifier and supporting economic single supply voltages
down to 1.8 V, the ultra-low 2.5 mW power consumption extends music playback time for battery
operated equipment.
Eight analogue input pins allow multiple audio sources to be internally mixed, eliminating the need for
external switches. Both single-ended and fully-differential line and microphone inputs are supported
with built-in variable gain amplifiers to optimise dynamic range prior to digitisation.
DA7210 provides simultaneous connection to stereo headphone, stereo line outputs, and a mono
differential output. Stereo line outputs can be differential or single-ended. Both stereo outputs have
volume control from -54 dB to +15 dB.
Filtering and gain control is performed digitally including 5-band EQ and a digital input AGC with
programmable attack and decay parameters. A configurable signal processing engine allows various
enhancements and effects on the digital audio signal like acoustic filtering, wind noise suppression
and 3D sound.
The multi-slot I2S/PCM interface supports all common sample rates between 8 and 96 kHz in master
or slave mode operation.
Key features
Stereo multi-bit Delta Sigma DAC with SNR Audio serial data bus supports I2S,
100 dB ('A' weighted @ 48 kHz)
left/right justified, DSP and TDM modes
Stereo multi-bit Delta Sigma ADC with SNR Stereo or mono differential microphone
96 dB ('A' weighted @ 48 kHz)
interface
Ultra low-power stereo headphone driver with Programmable ultra-low noise bias supply for
Stereo DAC to HP playback power:
2.5 mW
electret microphones
Volume controlled stereo auxiliary inputs and
2x58 mW output power (16 Ω)
outputs supporting FM Radio and fixed gain
‘Capless’ output via GND centred signals
Four level charge pump with continuous
tracking of audio signal (Class G)
speaker amplifiers
Multi-mode audio routing and mixers
Pop & click suppression circuitry
Short circuit protection
ASSP DSP filter engine for digital audio
Support of 8, 11.025, 12, 16, 22.05, 24, 32,
enhancements (acoustic filtering, wind noise
suppression, 5-band equaliser, 3D sound,
44.1, 48 and 96 kHz sample rates
automatic gain control)
On-chip PLL with signal shaper and audio Supports supply from single voltage
Sample Rate Matching
(1.8/2.5 V)
Wide range of external clocks including
Extensive modular power control
industry standard 256xFs, system clock 12,
13, 24, 26 or 27 MHz and low power 32 kHz
Package: 49 bump WL-CSP 0.4 mm pitch
mode
Applications
Personal media players
Portable consumer devices
Music handsets
Personal navigation devices
Datasheet
CFR0011-120-00 Rev 5
Revision 3a
1 of 113
15-Oct-2015
© 2015 Dialog Semiconductor

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