PBL3755

The PBL3755 is a bipolar intergrated circuit that contains all the necessary functions to from a regenerative for pulse code modulated(PCM)telecommunications systems.The circuit PBL3755 is designed to operate at 2,048 Mbps CEPT lines with HD83 code as well as at 1,544 Mbps T1 American standard PCM lines. PBL 3755 can also be used in line terminating equipment(S1 to D1 station repeaters) and as a T1 line receiver.

PBL3755 has many unique features: The first one is low voltage operation. The second one is low current consumption.The third one is on-chip power supply. The forth one is over-voltage protection. The fifth one is high-gain wide-band amplifier. The sixth one is output stages suitable for transfomer load,etc.There are some maximum ratings about it.There are some maximum ratings about it.Supply voltage(VDD) is -1.0 V min and 10.0 V max. Storage and shipping temperature(Tstg) are -65 min and +150max. Ambient temperature(Tamb) is -40 min and +70 max. Output Voltage(continuous) is -1.0 V min and 15.0 V max.Output voltage(single pulse, t is 2 us) is -5.0 V min and 17.0 V max.

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