IS1690

The IS1690 multi-speaker stereo audio chip is a compact, highly integrated, CMOS single-chip RF and baseband IC for Bluetooth v3.0 +EDR 2.4GHz applications.  This chip is fully compliant with Bluetooth specifications and completely backward-compatible with Bluetooth  2.0 or 1.2 systems.  It incorporates Bluetooth 1M/2M/3Mbps RF, single-cycle 8bit MCU, TX/RX modem, 5-port memory controller, task/hopping controller, UART interface, and ISSC’s own Bluetooth software stack to achieve the required BT v3.0 with EDR functions.

For superior audio and voice quality, it also integrates a DSP co-processor, a PLL, and a CODEC dedicated for voice and audio applications.  For voice, it supports not only basic CVSD encoding and decoding but also enhanced noise reduction and echo cancellation are implemented by the built-in DSP to achieve better quality in both sending and receiving sides. For the enhanced audio applications, SBC decoding functions can also be carried out by DSP to satisfy Bluetooth A2DP requirements.

产品特性
  • Compliant with Bluetooth Specification v.3.0 + EDR in 2.4 GHz ISM band
  • Supports the following profiles: Hands Free 1.5 Headset 1.0 A2DP 1.0 AVRCP 1.0
  • Hands Free 1.5
  • Headset 1.0
  • A2DP 1.0
  • AVRCP 1.0
  • 16MHz main clock input
  • Built-in internal ROM for program memory
  • Supports connection to two hosts (phones, tablets, etc.) with HFP or A2DP profiles simultaneously
  • Adaptive Frequency Hopping (AFH) avoids occupied RF channels
  • Fast Connection supported
  • Supports A-Law or µ-Law PCM format, or CVSD (Continuous Variable Slope Delta Modulation) for SCO channel operation
  • Noise suppression
  • Echo suppression
  • SBC decoding
  • Packet loss concealment
  • Built-in one language (English) voice prompts and 20 events for each one
  • 16 bit DAC and 16 bit ADC codec
  • 94dB SNR DAC playback
  • 85 dB SNR ADC.
  • Built-in Lithium-ion battery charger (up to 350mA)
  • Integrated 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
  • High speed HCI-UART (Universal Asynchronous
  • Receiver Transmitter) interface (up to 921600bps)
  • 7 x 7 mm2 56QFN package
技术参数
Parameter Name Value Value
Bluetooth Classic-Audio Yes Yes
Audio Channels Stereo Stereo
Analog Audio Out Yes Yes
MIC-in 1 1
Line-in Yes Yes
I2C 1 1
TX Power +4dBm +4dBm
GPIO 10 10
Pin Count 56 56
Package Type QFN QFN
Package Size 7 x 7 mm 7 x 7 mm
Min Temp Range -20C -20C
Max Temp Range 70C 70C
Op Voltage Min 3.0V 3.0V
Op Voltage Max 4.25V 4.25V
文档资料
IS1690 DatasheetData Sheets07/13/20151586KB
IS1690 Application NoteAppNote07/01/20152752KB
IS1690 DSP Configuration ToolSoftware07/01/2015250KB
IS1690 EEPROM ToolSoftware12/09/2015950KB
IS1690 UI Configuration ToolSoftware07/01/20152956KB
BM90Silicon Product06/01/20150B
IS1690 DSP Tool User GuideUser Guides07/01/2015999KB
IS1690 UI Tool User GuideUser Guides07/01/20151093KB
器件无铅环保信息
PartNumberDeviceWeightShippingWeightLeadCountPackageTypePackageWidthSolderCompositionJEDECIndicatorRoHSChinaEFUP
IS1690S-2550.30133356VQFN7x7x0.9mmMatte Tine3
IS1690S-255-TRAY0.47115456VQFN7x7x0.9mmMatte Tine3
IS1690SM-2530.30133356VQFN7x7x0.9mmMatte Tine3
IS1690SM-253-TRAY0.47115456VQFN7x7x0.9mmMatte Tine3
IS1690 Datasheet IS1690
IS1690 Application Note IS1690
IS1690 EEPROM Tool IS1690
IS1690 DSP Tool User Guide IS1690
IS1690 UI Tool User Guide IS1690