Microchip logo
  • All
  • Products
  • Documents
  • Applications Notes

ISSC Audio Products

Mono

IS1695S • Bluetooth v3.0 Mono Headset IC
+

Description

The IS1695 is an integrated monolithic chip for Bluetooth v3.0 + EDR mono headset application. The IS1695 integrates voice codec, Li-ion battery charger, LED driver and a DC to DC switch convertor. The reductions of external components can be designed for a tiny headset easily. A CODEC with good S/N ratio has a better audio quality. And a hardware echo cancellation inside can improves the audio performance. A wider input voltage range for adaptor achieves a better reliability.

Features

  • Bluetooth v3.0 + EDR which is backward-compatible with BT2.0 and 1.2.
  • Supporting Secure Simple Pairing
  • Eliminating the echo and lower band noise with hardware circuit inside the chip
  • Capable charging voltage from an empty battery and sustain a direct DC input voltage for 4.5V~7V
  • Support an external Near Field Conductor chip to negotiate the connection process
  • Standard QFN 40 package with size only 6x6 mm
IS1696S • Bluetooth v3.0 Mono Headset IC
+

Description

The IS1696 is an integrated monolithic chip for Bluetooth v3.0 + EDR mono headset application. The IS1696 integrates voice codec, Li-ion battery charger, LED driver and a DC to DC switch convertor. The reductions of external components can be designed for a tiny headset easily. A CODEC with good S/N ratio has a better audio quality. And a hardware echo cancellation inside can improves the audio performance. A wider input voltage range for adaptor achieves a better reliability.

Features

  • Bluetooth v3.0 + EDR which is backward-compatible with BT2.0 and 1.2.
  • Supporting Secure Simple Pairing
  • Eliminating the echo and lower band noise with hardware circuit inside the chip
  • Capable charging voltage from an empty battery and sustain a direct DC input voltage for 4.5V~7V
  • Support UART commands with an external MCU while operation
  • Standard QFN 40 package with size only 6x6 mm
IS1632N • Bluetooth 2.1+EDR Mono Headset IC
+

Description

The IS1632 is an integrated monolithic chip for Bluetooth mono headset application. It is a single-chip, Bluetooth v3.0 + EDR baseband with an integrated transceiver. The IS1632 integrates most external components including voice codec, Li-Ion battery charger, LED driver and some low drop regulators. The reductions of external components can be designed for a tiny headset easily.

imgshow8999

Features

  • Bluetooth v3.0 + EDR which is backward-compatible with BT1.2, 2.0 and 2.1.
  • One of the most important feature is secure simple pairing which makes pairing faster and easier Better audio quality
  • Capable charging voltage from an empty battery, and sustain direct DC input for a 5V adaptor Support standard HCI commands for test requirements
  • Standard QFN 48 package that size is only 7x7 mm

Applications

  • Bluetooth mono headset
IS1636N • Bluetooth 3.0+EDR Mono Headset IC
+

Description

The IS1636 is an integrated monolithic chip for Bluetooth mono headset application. It is a single-chip, Bluetooth v2.1 + EDR baseband with an integrated transceiver. The IS1636 integrates most external components including voice codec, Li-Ion battery charger, LED driver and a DC to DC switch convertor. The reductions of external components can be designed for a tiny headset easily.

imgshow8999

Features

  • Bluetooth v2.1 + EDR which is backward-compatible with BT1.2 and 2.1.
  • One of the most important feature is secure simple pairing which makes pairing faster and easier
  • Betteraudioquality
  • Capablechargingvoltagefromanemptybattery,andsustaindirectDCinputfora5Vadaptor
  • SupportstandardHCIcommandsfortestrequirements
  • StandardQFN48packagethatsizeisonly7x7mm

Applications

  • Bluetooth mono headset
IS1685S • Bluetooth v.3.0 (EDR) Mono A2DP
+

Description

The ISSC IS1685S is a highly integrated ultra-low power, single-chip RF and baseband IC for Bluetooth v3.0+EDR mono headset applications. The IS1685S builds in an audio processor and a high performance mono codec to support the enhanced speech and mono A2DP audio. In addition, a power management unit and program ROM/RAM are integrated to reduce BOM cost for various Bluetooth applications.

Applications

  • Mono A2DP Headset
  • Wireless mono A2DP Speaker
  • Wireless mono A2DP speakerphone
  • Bluetooth car-kit

Features

  • Compliant with Bluetooth Specification v.3.0 (EDR) in 2.4 GHz ISM band
  • Class 2 Bluetooth radio with 4dBm transmit power and -91dBm receiver sensitivity
  • Build in audio processor supports noise and echo reduction
  • A2DP audio over mono DAC
  • Support play/pause function
  • Mono codec: 94dB DAC/85dB ADC
  • Built-in 3.3V and 1.8V linear regulator
  • Build-in switching regulator
  • Built-in Li-ion battery charger
  • 10 hours playback for 120mAH battery
  • Bluetooth stack and audio processing is executed in the build-in program ROM and data RAM
  • 7x7 mm2 48QFN package
IS1686S • Bluetooth v.3.0 (EDR) Dual-Mic Mono Headset SOC
+

Description

The ISSC IS1686S is a highly integrated ultra-low power, single-chip RF and baseband IC for Bluetooth v3.0+EDR mono headset applications. The IS1686S builds in a two channel mono ADC and a single channel DAC with special audio processing to support dual-mic noise and echo reduction headset. In addition, a power management unit and program ROM/RAM are integrated to reduce BOM cost for various Bluetooth applications.

Applications

  • Bluetooth mono headset

Features

  • Compliant with Bluetooth Specification v.3.0 (EDR) in 2.4 GHz ISM band
  • Class 2 Bluetooth radio with 4dBm transmit power and -91dBm receiver sensitivity
  • Build in audio processor supports dual-mic noise and echo reduction
  • A2DP audio over mono DAC
  • Support play/pause function
  • Mono DAC: 94dB / Dual mono ADC:85dB
  • Built-in 3.3V and 1.8V linear regulator
  • Build-in switching regulator
  • Built-in Li-ion battery charger
  • Bluetooth stack and audio processing is executed in the build-in program ROM and data RAM
  • 7x7 mm2 48QFN package

Data

IS1621S-393 • Bluetooth v.3.0+EDR Audio Transmitter Multimedia SOC
+

Description

The IS1621S-393 is a highly integrated ultra-low power, single-chip RF and baseband IC for Bluetooth v3.0+EDR audio transmit applications. The IS1621S-393 builds in an audio processor and high performance stereo codec to support the enhanced audio and speech. In addition, a power management unit and program ROM/RAM are integrated to reduce BOM cost for various Bluetooth applications.

Applications

  • BT-MP3
  • BT-MIC
  • TV/Home Audio
  • Gaming
  • Audio/Video sync application
  • Wireless musical output

Features

  • Compliant with Bluetooth Specification v.3.0 + EDR in 2.4GHZ ISM band
  • Class 2 Bluetooth radio with +4dBm transmit power and -91dBm receiver sensitivity
  • 16-bit/32-bit run time configurable audio processor
  • Auto connection supported
  • Ultra low delay(ULD) when bundled with specific ISSC products (lip sync/gaming application)
  • Stereo codec :
    • 85dB ADC
    • Smart shut up function
    • Equalizer supported
  • Support 1 to 2 connection
  • UART command supported
  • Built-in 3V and 1.8V linear regulator
  • Built-in switching regulator
  • Built-in Li-ion battery charger
  • 10 hours playback for 150mAH battery
  • Bluetooth stack and audio processing is executed in the built-in programming ROM and data RAM
  • 8x8 mm^2 68QFN package
IS1681S • Bluetooth 3.0+EDR multimedia SOC
+

Description

The ISSC IS1681S is a highly integrated ultra-low power, single-chip RF and baseband IC for Bluetooth v3.0+EDR audio applications. The IS1681S builds in an audio processor and high performance stereo codec to support the enhanced audio and speech. In addition, a power management unit and program ROM/RAM are integrated to reduce BOM cost for various Bluetooth applications.

Applications

  • Stereo Headset
  • Wireless Speaker
  • Wireless speakerphone
  • Bluetooth car-kit
  • Audio dongle

Features

  • Compliant with Bluetooth Specification v.3.0 + EDR in 2.4 GHz ISM band
  • Class 2 Bluetooth radio with 4dBm transmit power and -91dBm receiver sensitivity
  • 16-bit/32-bit run time configurable audio processor
  • Noise and echo reduction
  • Stereo codec: 94dB DAC/85dB ADC
  • Built-in 3V and 1.8V linear regulator
  • Build-in switching regulator
  • Audio line-in switch and gain control
  • Built-in Li-ion battery charger
  • 10 hours playback for 120mAH battery
  • Bluetooth stack and audio processing is executed in the build-in program ROM and data RAM
  • 7x7 mm2 56QFN package
IS1682S • Bluetooth v.3.0+EDR Dual-MIC Multimedia SOC
+

Description

The IS1682S is a highly integrated ultra-low power, single-chip RF and baseband IC for Bluetooth v3.0+EDR Single/Dual-MIC applications. The IS1682S builds in an audio processor and high performance stereo codec to support the enhanced audio and speech. To provide superior audio and voice quality, it also integrates a DSP co-processor, a PLL, and a stereo CODEC to process voice and audio applications. For voice, not only basic A-law/μ-law/CVSD encoding/decoding but also enhanced noise reduction and echo cancellation are implemented by the built-in DSP to reach better quality in the both sending and receiving sides. In addition, a power management unit and program ROM/RAM are integrated to reduce BOM cost for various Bluetooth applications.

Applications

  • Bluetooth Single/Dual-MIC Stereo Headset
  • Bluetooth Stereo Speaker/Speakerphone

Features

  • Compliant with Bluetooth Specification v.3.0 + EDR in 2.4GHZ ISM band
  • Class 2 Bluetooth radio with +4dBm transmit power and -91dBm receiver sensitivity
  • 16-bit/32-bit run time configurable audio processor
  • HFP v1.6 includes wideband speech and mSBC codec
  • Multipoint HFP connection to 2 phones for voice
  • Multipoint A2DP connection enables A2DP connection to 2 A2DP source devices for music playback
  • 94dB/85dB DAC/ADC SNR
  • Single/Dual-MIC Noise Reduction
  • Acoustic Echo Cancellation
  • Wind noise suppression
  • Adaptive AGC/AVC control
  • Customized voice prompt
  • NFC supported
  • Battery Status Indication in iOS
  • 10 hours playback for 150mAH battery
  • 7x7 mm^2 56QFN package
IS1684S • Bluetooth v.3.0(EDR) Speaker SOC
+

Description

The ISSC IS1684S is a highly integrated ultra-low power, single-chip RF and baseband SOC for Bluetooth v3.0+EDR audio applications. The IS1684S builds in an audio processor and high performance stereo DAC to support the wireless audio playback application. In addition, a power management unit and program ROM/RAM are integrated to reduce BOM cost for various Bluetooth applications.

Applications

  • Wireless Speaker

Features

  • Compliant with Bluetooth Specification v.3.0 (EDR) in 2.4 GHz ISM band
  • Class 2 Bluetooth radio with 4dBm transmit power and -91dBm receiver sensitivity
  • 16-bit/32-bit run time configurable audio processor
  • Stereo DAC: 94dB DAC
  • Audio line-in switch and gain control
  • Built-in 3V and 1.8V linear regulator
  • Build-in switching regulator
  • Built-in Li-ion battery charger
  • 10 hours playback for 120mAH battery
  • Bluetooth stack and audio processing is executed in the build-in program ROM and data RAM
  • 7x7 mm2 56QFN package

Module

BM21AVD01NB1 • B020355 • Bluetooth 3.0+EDR multimedia module...*
+
* - designed for transmitter side which is suited for BT-MIC, BT MP3 transmitter, TV , etc ... Lip sync features can be turned on when bundled with IS168X series.

Description

BM21AVD01 is a compact, highly integrated, ultra-low cost, CMOS single-chip RF + baseband module for Bluetooth v3.0+EDR (Enhanced Data Rate) 2.4GHz audio transmitter applications. BM21AVD01 is fully compliant with Bluetooth specification and completely backward-compatible with BT1.1, 1.2, 2.0 or 2.1 systems.

Applications

  • BT-MP3
  • BT-MIC
  • TV/Home Audio
  • Gaming
  • Audio/Video sync application

Features

  • Compliant with Bluetooth Specification v.3.0 + EDR in 2.4GHZ ISM band
  • Class 2 Bluetooth radio with +4dBm transmit power and -91dBm receiver sensitivity
  • 16-bit/32-bit run time configurable audio processor
  • Auto connection supported
  • Ultra low delay(ULD) when bundled with specific ISSC products (lip sync/gaming application)
  • Stereo codec :
    • 85dB ADC
    • Smart shut up function
    • Equalizer supported
  • Support 1 to 2 connection
  • UART command supported
  • Built-in 3V and 1.8V linear regulator
  • Built-in switching regulator
  • Built-in Li-ion battery charger
  • 10 hours playback for 150mAH battery
  • Bluetooth stack and audio processing is executed in the built-in programming ROM and data RAM
  • 8x8 mm^2 68QFN package
BM81SPK02 • B019860/B018164 • Bluetooth 3.0 std. audio module designed for stereo Speaker/Speakerphone.
+

Description

The ISSC BM81SPK02 is a highly integrated Bluetooth 3.0 EDR stereo module, designed for high data rate, short-range wireless communication in the 2.4 GHz ISM band. With the ISSC Bluetooth stack and profile, the ISSC BM81SPK02 provides a low power and ultra-low cost Bluetooth 3.0+EDR solution for wireless voice/audio applications.Bluetooth Stereo Speaker Module with A2DP, AVRCP, HFP, HSP, GAVDP,PBAP profiles. (B019860 only support Play/Pause features of AVRCP.)

Applications

  • Stereo Headset
  • Wireless Speaker
  • Wireless speakerphone
  • Bluetooth car-kit
  • Audio dongle

Features

  • Compliant with Bluetooth Specification v.3.0 + EDR in 2.4 GHz ISM band
  • Class 2 Bluetooth radio with 4dBm transmit power and -91dBm receiver sensitivity
  • 16-bit/32-bit run time configurable audio processor
  • Noise and echo reduction
  • Stereo codec: 94dB DAC/85dB ADC
  • Built-in 3V and 1.8V linear regulator
  • Build-in switching regulator
  • Audio line-in switch and gain control
  • Built-in Li-ion battery charger
  • 10 hours playback for 120mAH battery
  • Bluetooth stack and audio processing is executed in the build-in program ROM and data RAM
  • 7x7 mm2 56QFN package
BM85SPK01 • B018164 • Bluetooth 3.0 std. audio module designed for mono Speaker/Speakerphone.
+

Description

BM85SPK01 is a Bluetooth 3.0 (EDR) Mono-A2DP speaker module. BM85SPK01 supports HSP, HFP, A2DP, and GAVDP profiles. With the built-in audio processor/codec and embedded ISSC Bluetooth protocol stacks, BM85SPK01 can easily construct Bluetooth speaker applications.

Applications

  • Mono A2DP Headset
  • Wireless mono A2DP Speaker
  • Wireless mono A2DP speakerphone
  • Bluetooth car-kit

Features

  • Compliant with Bluetooth Specification v.3.0 (EDR) in 2.4 GHz ISM band
  • Class 2 Bluetooth radio with 4dBm transmit power and -91dBm receiver sensitivity
  • Build in audio processor supports noise and echo reduction
  • A2DP audio over mono DAC
  • Support play/pause function
  • Mono codec: 94dB DAC/85dB ADC
  • Built-in 3.3V and 1.8V linear regulator
  • Build-in switching regulator
  • Built-in Li-ion battery charger
  • 10 hours playback for 120mAH battery
  • Bluetooth stack and audio processing is executed in the build-in program ROM and data RAM
  • 7x7 mm2 48QFN package