Features

Qualified for Bluetooth v5.0 specification
- Hands-free Profile (HFP) 1.7.2, Headset Profile (HSP) 1.2, Advanced Audio Distribution Profile (A2DP) 1.3, Serial Port Profile (SPP) 1.2, Audio/Video Remote Control Profile (AVRCP) 1.6 and Phone Book Access Profile (PBAP) 1.2
- Bluetooth classic (BR/EDR) and Bluetooth Low Energy
- General Attribute Profile (GATT) and General Access Profile (GAP)
- Bluetooth Low Energy Data Length Extension (DLE) and secure connection
Software Development Kit
- 8051 microcontroller debugging
- 24-bit program counter and Data Pointer modes
Multi-Speaker (MSPK) solution
- Microchip's proprietary solution to connect a central speaker to one or more peripheral speakers
- With MSPK firmware, the IS2083 can provide Concert mode and Stereo mode
Audio Transceiver (AT) solution
- With AT firmware, the IS2083 can work as either an A2DP source (where IS2083 is the transmitter) or A2DP/HFP sink (where IS2083 is a receiver)
Audio Interfaces
- Stereo line input
- Two analog microphones
- One stereo digital microphone
- Stereo audio Digital-to-Analog Converter (DAC)
- I²S input/output
- I²S Primary clock (MCLK)/reference clock
USB, UART and Over-the-Air (OTA) firmware upgrade
Built-in lithium-ion and lithium polymer battery charger (up to 350 mA)
Integrated 3V and 1.8V configurable switching regulator and Low-Dropout (LDO)

Radio Frequency (RF)/Analog

Bluetooth 5.0 dual mode RF radio
Receive sensitivity: -90 dBm (2 Mbps EDR)
Programmable transmit output power:
- Up to +11 dBm (typical) for Basic Data Rate (BDR)
- Up to +9.5 dBm (typical) for Enhanced Data Rate (EDR)
Integrated Medium Power Amplifier (MPA) and Low Power Amplifier (LPA)

8051 8-bit core
8-bit data
24-bit program counter (PC24) mode
24-bit data pointer (DPTR24) mode
Operating speed:
- DC – 48 MHz clock input
- 0.33-1 MIPS/MHz, depending on instruction

16/32-bit DSP core with enhanced 32-bit precision, single cycle multiplier
Synchronous Connection-Oriented (SCO) channel operation
Modified Sub-Band Coding (mSBC) decoder for wideband speech
Built-in High-definition Clean Audio (HCA) algorithms for both narrowband and wideband speech processing
Built-in audio effect algorithms to enhance audio streaming
64 Kbps A-Law, μ-Law Pulse Code Modulation (PCM) or Continuous Variable Slope Delta (CVSD) modulation for SCO channel operation
8/16 kHz Noise Reduction (NR)
8/16 kHz Acoustic Echo Cancellation (AEC)
Packet Loss Concealment (PLC) for SBC and mSBC codecs only

Sub-band Codec (SBC), Advanced Audio Codec (AAC) and LDAC Decoding (IS2083BM-2L2 only)
20-bit audio stereo DAC with SNR 95 dB
16-bit audio stereo ADC with SNR 90 dB
24-bit, I²S digital audio:
- 96 kHz output sampling frequency
- 48 kHz input sampling frequency

Successive Approximation Register Analog-to-Digital Converter (SAR ADC) with dedicated channels:
- Battery voltage detection and adapter voltage detection
- Charger thermal protection and ambient temperature detection
UART (with hardware flow control)
USB (full-speed USB 1.1 interface)
I²C™ Host
One Pulse Width Modulation (PWM) channel
Two LED drivers
Up to 19 General Purpose Inputs/Outputs (GPIOs)