AK2303LV

Features:

- Dual PCM CODEC and Filtering systems for PBX switch
- Independent functions on each channel Controlled by the internal register or hard pin
- Power Down Mode (Register setting)
- Mute (Hard pin, register setting)
- Gain Adjustment: +6 to -18dB (1dB step by register setting)
- Selectable PCM Data Interface Timing:Long Frame / Short Frame/GCI
- Selectable PCM Data Rate:4.096MHz, 2.048MHz (Register setting)
- OP Amp for External Gain Adjustment
- A-law/u-law Select (Hard pin, Register setting)
- Serial Interface for the internal register access
- Power on Reset
- Single Power Supply Voltage
       - +3.3V ± 0.3V
- Low Power Consumption
      - 35mW typ


Pinout




Specifications

Parameter	Symbol	Min	Max	Units
Power Supply Voltages Analog/Digital Power Supply	AVDD DVDD	-0.3	6.5	V
VSS Voltage	AVSS DVSS	-0.1	0.1	V
Digital Input Voltage	VTD	-0.3	VDD+0.3	V
Analog Input Voltage	VTA	-0.3	VDD+0.3	V
Input current (except power supply pins)	IIN	-10	10	mA
Storage Temperature	Tstg	-55	125

Description

AK2303LV is a 3.3V dual PCM CODEC-Filter most suitable for analog line card of PBX switch.CODEC-Filter is compliant with G711/G712 recommendations.It includes Selectable A-law/u-law function, Internal Gain Adjustment from +6dB to 18dB by 1dB step control. All of these functions are controlled by the internal register accessed through the serial interface.Additionally, channel mute and A-law/u-law selection is controlled by the hard pin.PCM interface of AK2303LV supports Long Frame,Short Frame clock formats and GCI format. 4.096MHz,2.048MHz bit clock input is available for PCM interface.