73M1866B

 73M1866B is designed to provides much of the circuitry required to connect PCM formatted voice channels to a PSTN via a two-wire twisted pair interface that can be used in wide range of applications such as (1)Computer Telephony; (2)VOIP Equipment; (3)PBX Systems; (4)Internet Appliances; (5)Voicemail Systems; (6)POTS Termination Equipment.

Features of the 73M1866B are:(1)8 kHz and 16 kHz sample rates; (2)16-bit linear mode; (3)TX and RX gains adjustable in 0.125 dB increments; (4)u-Law, A-law ITU-T Recommendation G.711 compliant compander operation; (5)Automatic clock rate detection; (6)Low power modes; (7)Polarity Reversal detection; (8)GPIO for user-configurable I/O ports; (9)Call Progress Monitor; (10)Isolation up to 6 kV; (11)THD -80 dB; (12)5 V tolerant I/O on selected pins; (13)3.0 V ?3.6 V operating voltage; (14)Industrial temperature range (-40 to +85 ); (15)5x5 mm 32-pin QFN or 20-pin TSSOP packages; (16)RoHS compliant (6/6) lead-free package.etc.

The absolute maximum ratings of the 73M1866B can be summarized as:(1)Supply voltage: -0.5 to 4.0 V;(2)Pin input voltage (except OSCIN): -0.5 to 6.0 V;(3)Pin input voltage (OSCIN): -0.5 to VDD to 0.5 V.etc. If you want to know more information about the 73M1866B, please download the datasheet in www.seekic.com or www.chinaicmart.com .