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Datasheet IS1685S PDF ( 特性, スペック, ピン接続図 )

部品番号 IS1685S
部品説明 Noise Reduction Mono Headset IC
メーカ ISSC
ロゴ ISSC ロゴ 
プレビュー
Total 30 pages
		
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IS1685S Datasheet, IS1685S PDF,ピン配置, 機能
Datasheet
IS1685S
Noise Reduction Mono Headset IC with A2DP streaming
1. General Description
ISSC IS1685S is a compact, high integration, ultra-low cost, CMOS single-chip RF +
baseband IC for Bluetooth v3.0(EDR) (Enhanced Data Rate) 2.4GHz applications. This
chip is fully compliant with Bluetooth specification and completely backward-compatible
with Bluetooth 1.1, 1.2, 2.0 or 2.1 systems.
It incorporates Bluetooth 1M/2M/3Mbps RF, single-cycle 8051, TX/RX modem, memory
controller, task/hopping controller, UART interface, and ISSC Bluetooth software stack to
achieve the required Bluetooth v3.0(EDR) functions.
The IS1685S is designed to support high quality voice application, an audio engine and a
high performance mono CODEC are integrated for this purpose.
The audio engine provides the A-law/μ-law/CVSD encoding/decoding and also the
enhanced noise reduction and echo supression to offer the best voice quality in the both
sending and receiving sides.
In addition, to minimize the external components required for portable devices, a power
manager unit including the Li-ion battery charger, a switching regulator and LDOs are
integrated to reduce BOM cost for various Bluetooth applications.
The device incorporates built-in self-test (BIST) and auto-calibration functions to simplify
production test.
4F, No.8, Dusing Rd., Hsinchu Science Park, Hsinchu city 30078, Taiwan, R.O.C
Phone: 886-3-577-8385
Fax: 886-3-577-8501
Version: 1.0
3/11/2013

1 Page



IS1685S pdf, ピン配列
Preliminary Datasheet
IS1685S
Build-in channel filter.
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 build-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 decoding
Packet/Bit error concealment
Audio Codec
16 bit mono codec
94dB SNR DAC playback
Integrate headphone amplifier for 16Ω speakers
Peripherals
Built-in Lithium-ion battery charger
Integrate 3V, 1.8V LDO and Switching mode regulator
Built-in 10-bit Aux-ADC for battery monitor and voltage sense.
LED driver
Version: 1.0
-3-
3/11/2013


3Pages


IS1685S 電子部品, 半導体
Preliminary Datasheet
IS1685S
4. Pin Assignment
48 47 46 45 44 43 42 41 40 39 38 37
1 36
2 35
3 34
4 33
5 32
6 31
7
IS1685S
30
8 29
9 28
10 27
11 26
12 25
13 14 15 16 17 18 19 20 21 22 23 24
Version: 1.0
-6-
3/11/2013

6 Page





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