TCM29C13A, TCM29C14A, TCM29C16A, TCM29C17A,

TCM129C13A, TC,129C14A, TCM129C16A, TCM129C17A

COMBINED SINGLE-CHIP PCM CODEC AND FILTER

SCTS030E – AUGUST 1989 – REVISED OCTOBER 1996

8

POST OFFICE BOX 655303

noise over recommended ranges of supply voltage and operating free-air temperature range

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

Transmit noise, C-message weighted‡

ANLG IN+ = ANLG GND,

ANLG IN – = GSX

1

7

dBrnC0

Transmit noise, C-message weighted with 8-bit

signaling (TCM129C14A and TCM29C14A only)

ANLG IN+ = ANLG GND,

6th frame signaling

ANLG IN – = GSX,

13

dBrnC0

Transmit noise, psophometrically weighted‡

ANLG IN+ = ANLG GND,

ANLG IN – = GSX

–82

–80

dBm0p

Receive noise, C-message-weighted quiet code

PCM IN = 11111111 (

µ-law),

PCM IN = 10101010 (A-law),

Measured at PWRO +

2

5

dBrnC0

Receive noise, C-message-weighted sign bit toggled

Input to PCM IN is zero code with sign bit

toggled at 1-kHz rate

3

6

dBrnC0

Receive noise, psophometrically weighted

PCM = lowest positive decode level

–81

dBm0p

† All typical values are at VBB = –5 V, VCC = 5 V, and TA = 25°C.

‡ This parameter is achieved through the use of patented circuitry and is not recommended for applications in which composite signals on the

transmit side are below –55 dBm0.

power supply rejection ratio and crosstalk attenuation over recommended ranges of supply

voltage and operating free-air temperature

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

VCC supply-voltage rejection ratio,

0

≤ f < 30 kHz

Idle channel,

Supply signal = 200 mV(peak to peak)

–40

dB

CC

yg

j

,

transmit channel

30

≤ f < 50 kHz

Supply signal = 200 mV(peak-to-peak),

f measured at PCM OUT

–45

dB

VBB supply-voltage rejection ratio,

0

≤ f < 30 kHz

Idle channel,

Supply signal = 200 mV(peak to peak)

–35

dB

BB

yg

j

,

transmit channel

30

≤ f < 50 kHz

Supply signal = 200 mV(peak-to-peak),

f measured at PCM OUT

–55

dB

VCC supply-voltage rejection ratio,

0

≤ f < 30 kHz

Idle channel,

Supply signal = 200 mV(peak to peak)

–40

dB

CC

yg

j

,

receive channel (single ended)

30

≤ f < 50 kHz

Supply signal = 200 mV(peak-to-peak),

f measured at PWRO +

–45

dB

VBB supply-voltage rejection ratio,

0

≤ f < 30 kHz

Idle channel,

Supply signal = 200 mV(peak to peak)

–40

dB

BB

yg

j

,

receive channel (single ended)

30

≤ f < 50 kHz

Supply signal = 200 mV(peak-to-peak),

Narrow-band f measured at PWRO +

–45

dB

Crosstalk attenuation, transmit to receive (single ended)

ANLG IN+ = 0 dBm0,

f = 1.02 kHz,

Unity gain,

PCM IN = lowest decode level,

Measured at PWRO +

75

dB

Crosstalk attenuation, receive to transmit (single ended)

PCM IN = 0 dBm0, f = 1.02 kHz,

Measured at PCM OUT

75

dB

† All typical values are at VBB = –5 V, VCC = 5 V, and TA = 25°C.