TLC32044C, TLC32044E, TLC32044I, TLC32044M, TLC32045C, TLC32045I

VOICE-BAND ANALOG INTERFACE CIRCUITS

SLAS017F – MARCH 1988 – REVISED MAY 1995

24

POST OFFICE BOX 655303

delay distortion

PARAMETER

TEST CONDITIONS

FREQUENCY RANGE

ADJUSTMENT ADDEND‡

MIN

TYP§

MAX

UNIT

f

≤ 50 Hz

K1

× 0 dB

–33

–29

–25

f = 100 Hz

K1

× –0.26 dB

–4

–2

–1

f = 150 Hz to 3100 Hz

K1

× 0 dB

– 0.25

0

0.25

Filter gain,

TLC32044C

f = 3100 Hz to 3300 Hz

K1

× 0 dB

– 0.3

0

0.3

TLC32044C,

TLC32044E,

Input signal reference to 0 dB

f = 3300 Hz to 3650 Hz

K1

× 0 dB

– 0.5

0

0.5

TLC32044E,

TLC32044I

f = 3800 Hz

K1

× 2.3 dB

–3

–1

f = 4000 Hz

K1

× 2.7 dB

–17

–16

f

≥ 4400 Hz

K1

× 3.2 dB

–40

f

≥ 5000 Hz

K1

× 0 dB

–65

f

≤ 50 Hz

K1

× 0 dB

–33

–29

–25

f = 100 Hz

K1

× –0.26 dB

–4

–2

–1

f = 150 Hz to 3100 Hz

K1

× 0 dB

– 0.25

0

0.25

Filter gain

f = 3100 Hz to 3300 Hz

K1

× 0 dB

– 0.3

0

0.3

Filter gain,

TLC32044M

Input signal reference to 0 dB

f = 3300 Hz to 3500 Hz

K1

× 0 dB

– 0.5

0

0.5

dB

TLC32044M

f = 3800 Hz

K1

× 2.3 dB

–3

– 0.5

f = 4000 Hz

K1

× 2.7 dB

–17

–16

f

≥ 4400 Hz

K1

× 3.2 dB

–40

f

≥ 5000 Hz

K1

× 0 dB

–65

f

≤ 50 Hz

K1

× 0 dB

–33

–29

–25

f = 100 Hz

K1

× –0.26 dB

–4

–2

–1

f = 150 Hz to 3100 Hz

K1

× 0 dB

– 0.25

0

0.25

Filter gain,

f = 3100 Hz to 3300 Hz

K1

× 0 dB

– 0.3

0

0.3

Filter gain,

TLC32045C,

Input signal reference to 0 dB

f = 3300 Hz to 3650 Hz

K1

× 0 dB

– 0.5

0

0.5

TLC32045I

f = 3800 Hz

K1

× 2.3 dB

–3

–1

f = 4000 Hz

K1

× 2.7 dB

–17

–16

f

≥ 4400 Hz

K1

× 3.2 dB

–40

f

≥ 5000 Hz

K1

× 0 dB

–65

† See filter curves in typical characteristics

‡ The MIN, TYP, and MAX specifications are given for a 288-kHz SCF clock frequency. A slight error in the 288-kHz SCF may result from

inaccuracies in the MSTR CLK frequency, resulting from crystal frequency tolerances. If this frequency error is less than 0.25%, the

ADJUSTMENT ADDEND should be added to the MIN, TYP, and MAX specifications, where K1 = 100

For errors greater than 0.25%, see Note 8.

§ All typical values are at TA = 25°C.

NOTE 9: The filter gain outside of the passband is measured with respect to the gain at 1 kHz. The filter gain within the passband is measured

with respect to the average gain within the passband. The passbands are 150 to 3600 Hz and 0 to 3600 Hz for the bandpass and

low-pass filters respectively. For switched-capacitor filter clocks at frequencies other than 288 kHz, the filter response is shifted by the

ratio of switched-capacitor filter clock frequency to 288 kHz.