ETC5067| Datasheet

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ETC5064/64-X ETC5067/67-X
SERIAL INTERFACE CODEC/FILTER WITH RECEIVE POWER AMPLIFIER

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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. - u-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. u-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

DIP20 (Plastic) N ORDERING NUMBERS: ETC5064N ETC5064N-X ETC5067N ETC5067N-X

DESCRIPTION

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The ETC5064 (u-law), ETC5067 (A-law) are monolithic 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. Similar to the ETC505X family, these devices feature an additional Receive Power Amplifier to provide push-pull balanced output drive capability. The receive gain can be adjusted by means of two external resistors for an output level of up to 6.6 V across a balanced 600 load. Also included is an Analog Loopback switch and TSX output.

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ORDERING NUMBERS: ETC5064FN ETC5064FN-X ETC5067FN ETC5067FN-X

SO20 D ORDERING NUMBERS: ETC5064D ETC5064D-X ETC5067D ETC5067D-X

September 2003

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ETC5067 DATASHEET