ETC5067FN

功率放大器串行接口CODEC / FILTERWITH接收 POWER AMPLIFIER SERIAL INTERFACE CODEC/FILTERWITH RECEIVE

DESCRIPTION

The ETC5064 µ-law, ETC5067 A-law are mono lithic PCM CODEC/FILTERS utilizing the A/D and

D/A conversion architecture shown in the Block Diagrams and a serial PCM interface. The devices are

fabricated using double-poly CMOS process.

.COMPLETE CODEC AND FILTERING SYSTEM INCLUDING :

  -Transmit high-pass and low-pass filtering.

  -Receive low-pass filter with sin x/x correction.

  -Active RC noise filter.

  -µ-law or A-law compatible CODER and DECODER.

  -Internal precision voltage reference.

  -Serial I/O interface.

  -Internal auto-zero circuitry.

  -Receive push-pull power amplifiers.

.µ-LAW ETC5064

.A-LAW ETC5067

.MEETS OR EXCEEDS ALL D3/D4 AND CCITT SPECIFICATIONS.

.±5 V OPERATION.

.LOW OPERATING POWER-TYPICALLY 70 mW

.POWER-DOWN STANDBY MODE-TYPICALLY 3 mW

.AUTOMATIC POWER DOWN

.TTL OR CMOS COMPATIBLE DIGITAL INTERFACES

.MAXIMIZES LINE INTERFACE CARD CIRCUIT DENSITY

.0°C TO 70°C OPERATION: ETC5064/67

.–40°C TO 85°C OPERATION: ETC5064-X/67-X