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Bluetooth 5.0 Stereo Audio SOC
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- Bluetooth Classic-Data/SPP:Yes
- Bluetooth Classic-Audio:Yes
- Bluetooth Low-Energy:No
- Host Interface:UART
- Audio Channels:Stereo
- Analog Audio Out:No
- Digital Audio Out:Yes
- MIC-in:1
- Line-in:Yes
- I2C:1
- SPI:No
- PWM:No
- ADC Channels:0
- Security - DNU:AES128
- Temp Sensor:Yes
- RSSI:Yes
- Rx Sensitivity:-90dBm
- Memory Type:ROM
- Tx Power:+4dBm
- GPIO:0
- Pin Count:56
- Package Type:QFN
- Package Size (mm):7 x 7 mm
- Temp Range Min:-20C
- Operation Voltage Min:3.0
- Temp Range Max:70C
- Operation Voltage Max:4.25
- Max IO Pins:0
- Max Operating Freq:0
- Output Power (dBm) - DNU:0
- Cloud Partners:False
- Bluetooth 5 certified
- HFP 1.6
- HSP 1.1
- A2DP 1.2
- AVRCP 1.5
- SPP 1.0
- PBAP 1.0
- 16MHz main clock input
- Built-in internal ROM for program memory
- Support to connect to two hosts ( phones, tablets…) with HFP or A2DP profiles simultaneously
- Adaptive Frequency Hopping (AFH) avoids occupied RF channels
- Fast Connection supported RF Hardware
- Combined TX/RX RF terminal simplifies external matching and reduces external antenna switches
- Max. +4dBm output power with 20 dB level control from register control
- Built-in T/R switch for Class 2/3 application
- 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 built-in digital trimming for temperature/process variations
- Supports 64 kb/s A-Law or µ-Law PCM format, or CVSD (Continuous Variable Slope Delta Modulation) for SCO channel operation
- Noise suppression
- Echo suppression
- SBC and optional AAC decoding
- Packet loss concealment
- Build-in four languages (Chinese/ English/ Spanish/ French) voice prompts and 20 events for each one (This function can be set up in UI tool.)
- 20 bit DAC and 16 bit ADC codec
- 98dB SNR DAC playback
- Built-in Lithium-ion battery charger (up to 350mA)
- Integrate 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 7mm2 56QFN package
The IS2023 Stereo Audio Chip is a compact, highly integrated, CMOS single-chip RF and baseband IC for Bluetooth 5.0 with Enhanced Data Rate 2.4GHz applications. This chip is fully compliant with Bluetooth specification and completely backward-compatible with Bluetooth 3.0, 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 Microchip’s own Bluetooth software stack to achieve the required BT 5.0 with EDR functions.
To provide the 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, 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/AAC_LC decoding functions can be also carried out by DSP to satisfy Bluetooth A2DP requirements.
In addition, to minimize the external components required for portable devices, a battery voltage sensor, battery charger, a switching regulator and LDO are integrated to reduce system BOM cost for various Bluetooth applications.
Consider designing with the latest Bluetooth audio device, IS2083.
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