ETC5064/64-X
ETC5067/67-X
SERIAL INTERFACE CODEC/FILTER WITH RECEIVE
POWER AMPLIFIER
.
COMPLETE CODEC AND FILTERING SYS-
TEM 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 DE-
-
-
-
-
CODER.
Internal precision voltage reference.
Serial I/O interface.
Internal auto-zero circuitry.
Receive push-pull power amplifiers.
DIP20
(Plastic) N
-
-
-
-
ORDERING NUMBERS:
ETC5064N
.
.
.
µ-LAW ETC5064
A-LAW ETC5067
MEETS OR EXCEEDS ALL D3/D4 AND CCITT
SPECIFICATIONS.
± 5 V OPERATION.
ETC5064N-X
ETC5067N
ETC5067N-X
.
.
.
LOW OPERATING POWER-TYPICALLY 70 mW
POWER-DOWN STANDBY MODE-TYPICALLY
3 mW
AUTOMATIC POWER DOWN
TTL OR CMOS COMPATIBLE DIGITAL INTER-
FACES
MAXIMIZES LINE INTERFACE CARD CIR-
CUIT DENSITY
0°C TO 70°C OPERATION:ETC5064/67
–40°C TO 85°C OPERATION: ETC5064-X/67-X
.
.
.
PLCC20
.
FN
.
ORDERING NUMBERS:
ETC5064FN
ETC5064FN-X
ETC5067FN
ETC5067FN-X
DESCRIPTION
The ETC5064 (µ-law), ETC5067 (A-law) are mono-
lithic PCM CODEC/FILTERS utilizing the A/D and
D/Aconversion architectureshown in the BlockDia-
grams and a serial PCM interface. The devices are
fabricated using double-polyCMOS process.
Similar to the ETC505X family, these devices fea-
ture an additional Receive Power Amplifier to pro-
vide push-pull balanced output drive capability. The
receive gain can be adjusted by means of two ex-
ternal resistors for an output level of up to ± 6.6 V
across a balanced600Ω load.
SO20
D
ORDERING NUMBERS:
ETC5064D
ETC5064D-X
Also included is an Analog Loopback switch and
TSX output.
ETC5067D
ETC5067D-X
November 1994
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