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PDF ( 数据手册 , 数据表 ) IS2008

零件编号 IS2008
描述 Bluetooth 4.1 Mono Audio SOC
制造商 ISSC
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IS2008 数据手册, 描述, 功能
IS2008/10/13/15 SoC
Bluetooth® 4.1 Mono Audio SOC
Features
System Specification
Compliant with Bluetooth Specification v.4.1
(EDR) in 2.4 GHz ISM band
It supports following profiles :
- HFP 1.6
- HSP 1.1
- A2DP 1.2
- AVRCP 1.5
- SPP 1.0
- PBAP 1.0
Baseband Hardware
16MHz main clock input
Built-in internal ROM for program memory
Support to connect to two hosts ( phones,
tablets…) with HFP or A2DP profiles
simultaneously
Adaptive Frequency Hopping (AFH) avoids
occupied RF channels
Fast Connection supported
RF Hardware
Fully Bluetooth 4.1 (EDR) system in 2.4
GHz ISM band.
Combined TX/RX RF terminal simplifies
external matching and reduces external
antenna switches.
Max. +4dBm output power with 20 dB level
control from register control.
Built-in T/R switch for Class 2/3 application
To avoid temperature variation,
temperature sensor with temperature
calibration is utilized into bias current and
gain control.
Fully integrated synthesizer has been
created. There requires no external VCO,
varactor diode, resonator and loop filter.
Crystal oscillation with built-in digital
trimming for temperature/process
variations.
Audio processor
Support 64 kb/s A-Law or -Law PCM
format, or CVSD (Continuous Variable
Slope Delta Modulation) for SCO channel
operation.
Noise suppression
Echo suppression
SBC and optional AAC decoding
Packet loss concealment
Build-in four languages (Chinese/ English/
Spanish/ French) voice prompts and 20 events
for each one.
(This function can be set up in IS20XXS_UI”
tool.)
Support SCMS-T
Audio Codec
20 bit DAC and 16 bit ADC codec
98dB SNR DAC playback
Built-in 1 channel 2.3W class-D amplifier for a
4Ω speaker (for IS2013/15S only)
Peripherals
Built-in Lithium-ion battery charger (up to
350mA)
Integrate 3V, 1.8V configurable switching
regulator and LDO
Built-in ADC for battery monitor and voltage
sense.
A line-in port for external audio input
Two LED drivers
Flexible HCI interface
High speed HCI-UART (Universal
Asynchronous Receiver Transmitter) interface
(up to 921600bps)
Package
6x6mm2 48QFN package
(IS2008S, IS2010S)
7x7mm2 56QFN package (IS2013S, IS2015S)
Description
Mono Audio Chip is a compact, highly integrated,
CMOS single-chip RF and baseband IC for
Bluetooth v4.1 with Enhanced Data Rate 2.4GHz
applications. This chip is fully compliant with
Bluetooth specification and completely
Page 1







IS2008 pdf, 数据表
Mono Audio SoC
Pin No.
45
46
47
48
49
Pin type
P
O
O
P
P
Name
VDDAO
AOHPM
AOHPL
VDDA
EP
Description
Positive power supply dedicated to CODEC output amplifiers; Connect to
CODEC_VO pin
Headphone common mode output/sense input.
L-channel analog headphone output
Positive power supply/reference voltage for CODEC; Connect to
CODEC_VO pin
Exposed pad as ground
* I: signal input pin
* O: signal output pin
* I/O: signal input/output pin
* P: power pin
Note 1: These button or functions can be setup by IS20XXS_UItool.
Page 8







IS2008 equivalent, schematic
Mono Audio SoC
6.2 CLASS-D AUDIO AMPLIFIER
The class D amplifier has significant advantage in many applications because of its lower power
dissipation which produces less heat. IS2013S and IS2015S chip has built-in a class D amplifier that
reduces circuit board space and system cost. The efficiency of the amplifier extends the battery life in
portable systems.
The class D amplifier is implemented by using a full-bridge output stage. A full bridge uses two half-bridge
stages to drive the load differentially. It provides a good signal to noise ratio (SNR) and enough drive
capability for a 4 Ohm speaker driver.
6.3 CODEC
The built-in codec has a high Signal to Noise ratio performance. This built-in codec consist of an analog
to digital converter (ADC), a digital to analog converter (DAC) and additional analog circuitry.
6.4 LINE IN (Aux In)
The chip supports one analog line in from external audio source. The analog line in signal can be
processed by the DSP to generate different sound effect (Multi-band Dynamic Range Compression, Audio
Widening). The sound effect can be set up by DSP tool.
Page 16










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