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TCM37C14A, TCM37C15A PCM COMBO WITH PROGRAMMABLE GAIN CONTROL
D Meet CCITT/(D3/D4) Channel Bank
Recommendations for Input Signals Greater than – 55 dBm0
D Programmable Transmit and Receive Gain
Control With Pin-Selectable Gain/Attenuation Levels
D Includes Differential Output on the
TCM37C14A
D Precision Switched-Capacitor Filters and
Converters
D Improved Version TCM29C13A Series
COMBOs (CODEC and Filters)
D Low Power CMOS
– Operating Mode . . . 70 mW Typical – Power-Down Mode . . . 7 mW Typical
D Internal Sample-and-Hold and Autozero
Functions
D Precision Internal Voltage References D TCM37C14A Features Pin-Selectable µ-Law
or A-Law Companding and Pin-Selectable Master Clock Rate (1.536 MHz, 1.544 MHz, and 2.048 MHz Available)
D TCM37C15A is 2.