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PDF IS1636N Data sheet ( Hoja de datos )
| Número de pieza | IS1636N | |
| Descripción | Integrated monolithic chip for Bluetooth mono headset application | |
| Fabricantes | ISSC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de IS1636N (archivo pdf) en la parte inferior de esta página. Total 27 Páginas | ||
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創傑科技股份有限公司
Integrated System Solution Corporation
IS1636N
GENERAL DESCRIPTION
The IS1636N is an integrated monolithic
chip for Bluetooth mono headset
application. It is a single-chip, Bluetooth
v2.0 + EDR baseband with an integrated
transceiver.
The IS1636N integrates most external
components for a mono headset including
voice codec, Li-Ion battery charger, and
one low drop regulator. The reductions of
external components can be used for a
tiny headset easily.
A new voice manage structure achieve
lower noise level and higher signal level.
This implementation improves the audio
quality to fit human’s vocal experience
and keep audio quality even under terrible
environment.
FEATURES
• Bluetooth v2.0 + EDR which is
backward-compatible with BT1.1
and 1.2.
• Programmable output power control
meets specific requirements
• A lowest eBOM in the current
market at such power consumption
• Integrated Power Manager Unit
(PMU) that can charge a Li-ion
battery, LED driver and switching
regulator
• Better audio quality
• Capable charging voltage from a
zero battery, and sustain direct DC
input for adaptor from 4.8V ~ 6.5 V
• Support standard HCI commands for
test requirements
Standard QFN 48 package that size
is only 7x7 mm2
Figure 1: Functional Block Diagram
EDR RF
EDR
MODEM
Processor
ROM
Baseband
RAM
PLL
PMU
UART
Voice CODEC
Datasheet
Page 1
© 2000~2009 Integrated Systems Solution Corporation
Released date: 06/18/2009
Revision1.0
1 page  
創傑科技股份有限公司
Integrated System Solution Corporation
2 Pin Assignments and Signal Descriptions
48 47 46 45 44 43 42 41 40 39 38 37
IS1636N
1 36
2 35
3 34
4 33
5 32
6 31
7 30
8 29
9 28
10 27
11 26
12 25
13 14 15 16 17 18 19 20 21 22 23 24
Datasheet
Page 5
© 2000~2009 Integrated Systems Solution Corporation
Released date: 06/18/2009
Revision1.0
5 Page 
創傑科技股份有限公司
Integrated System Solution Corporation
IS1636N
6 Voice CODEC
The mono audio codec is described by the following figure. There are several stages for
input and output that all can be programmed for varying gain response characteristics. At
the microphone input side, you may use single-end input or differential input. One critical
point in maintaining a high quality signal is to provide a stable bias voltage source for the
condenser microphone’s FET. DC blocking capacitors may be used at both positive and
negative sides of input. Internally, this analog signal is converted to 15-bit 8 kHz linear
PCM data.
The voice data taken from common memory is converted to an analogue value by a DAC.
A multistage amplifier drives the audio signal and provides a differential signal between
Line_out+ and Line_out-. The output amplifier is capable of driving a speaker directly if its
impedance is greater or equal to 16Ω.
Figure 4 : The signal path for audio processing
MEM
CVSD
Decoder
Digital Circuitry Analog Circuitry
Decimation
Filters
DAC filters
DAC
SPK
OUT
CVSD
Encoder
Interpolation
Filters
ADC filters
ADC
MIC IN
Datasheet
Page 11
© 2000~2009 Integrated Systems Solution Corporation
Released date: 06/18/2009
Revision1.0
11 Page | ||
| Páginas | Total 27 Páginas | |
| PDF Descargar | [ Datasheet IS1636N.PDF ] | |
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