TCM320AC54

MONOLITHIC SERIAL INTERFACE

COMBINED PCM CODEC AND FILTER

SCTS043A – NOVEMBER 1994 – REVISED JULY 1996

7

POST OFFICE BOX 655303

filter gains and tracking errors

PARAMETER

TEST CONDITIONS‡

MIN

TYP†

MAX

UNIT

Maximum peak transmit overload level

3.17 dBm0

2.501

V

Transmit filter gain, absolute (at 0 dBm0)

TA = 25°C

– 1.5

1.5

dB

f = 16 Hz

–35

f = 50 Hz

–25

f = 60 Hz

–21

f = 200 Hz

–2

0.5

Transmit filter gain relative to absolute

f = 300 Hz to 3000 Hz

– 0.5

0.5

dB

Transmit filter gain, relative to absolute

f = 3300 Hz

– 0.55

0.5

dB

f = 3400 Hz

– 1.5

1.5

f = 4000 Hz

–10

f

≥ 4600 Hz (measure response from

0 Hz to 4000 Hz)

–25

Absolute transmit gain variation with temperature

and supply voltage

Relative to absolute transmit gain

– 0.1

0.1

dB

T

it

i t

ki

ith l

l

Sinusoidal test method,

Reference level = –10 dBm0

dB

Transmit gain tracking error with level

3 dBm0

≥ input level ≥ –40 dBm0

±0.4

dB

– 40 dBm0 > input level

≥ –50 dBm0

±0.8

Receive filter gain, absolute (at 0 dBm0)

Input is digital code sequence for

0 dBm0 signal,

TA = 25°C

– 1.5

1.5

dB

f = 0 Hz to 3000 Hz,

TA = 25°C

– 0.5

0.5

Receive filter gain relative to absolute

f = 3300 Hz

– 0.55

0.5

dB

Receive filter gain, relative to absolute

f = 3400 Hz

– 1.5

1.5

dB

f = 4000 Hz

–10

Absolute receive gain variation with temperature

and supply voltage

– 0.1

0.1

dB

Receive gain tracking error with level

Sinusoidal test method; reference

input PCM code corresponds to an

ideally encoded – 10 dBm0 signal

dB

Receive gain tracking error with level

3 dBm0

≥ input level ≥ –40 dBm0

±0.4

dB

– 40 dBm0 > input level

≥ –50 dBm0

±0.8

Receive output drive voltage

RL = 10 kΩ

±2.5

V

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

‡ Absolute rms signal levels are defined as follows: VI = 1.2276 V = 0 dBm0 = 4 dBm at f = 1.02 kHz with RL = 600 Ω.