TLC32044 datasheet(19/39 Pages) TI

19 / 39 page

TLC32044C, TLC32044E, TLC32044I, TLC32044M, TLC32045C, TLC32045I

VOICE-BAND ANALOG INTERFACE CIRCUITS

SLAS017F – MARCH 1988 – REVISED MAY 1995

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

electrical characteristics over recommended operating free-air temperature range, VCC+ = 5 V,

VCC– = –5 V, VDD = 5 V (unless otherwise noted)

total device, MSTR CLK frequency = 5.184 MHz, outputs not loaded

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

VOH

High-level output voltage

VDD = 4.75 V,

IOH = – 300 µA

2.4

VOL

Low-level output voltage

VDD = 4.75 V,

IOL = 2 mA

0.4

TLC32044C, TLC32045C

ICC +

Supply current from VCC +

TLC32044I, TLC32045I,

TLC32044E, TLC32044M

TLC32044C, TLC32045C

–35

ICC –

Supply current from VCC –

TLC32044I, TLC32045I,

TLC32044E, TLC32044M

–40

IDD

Supply current from VDD

TLC3204xC, E, I

fMSTR CLK = 5 184 MHz

IDD

Supply current from VDD

TLC32044M

fMSTR CLK = 5.184 MHz

V f

Internal reference output voltage

TLC3204xC, E, I

3.3

Vref

Internal reference output voltage

TLC32044M

2.9

3.3

∝Vref Temperature coefficient of internal reference voltage

200

ppm/

°C

Output resistance at REF

100

Ω

receive amplifier input

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

TLC32044C, E, I

A/D converter offset error (filters in)

TLC32044M

TLC32045C, I

CMRR

Common-mode rejection ratio at IN +, IN –, or

TLC3204xC, E, I

See Note 6

CMRR

AUX IN +, AUX IN –

TLC32044M

See Note 6

Input resistance at IN +, IN –, or AUX IN +, AUX IN –, REF

100

Ω

transmit filter output

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

VOO

Output offset voltage at OUT + OUT –

TLC3204xC, E, I

VOO

(single-ended relative to ANLG GND)

TLC32044M

VOM

Maximum peak output voltage swing across RL at OUT + or OUT –

(single ended)

RL ≥ 300 Ω,

Offset voltage = 0

±3

VOM

Maximum peak output voltage swing between OUT + and OUT –

(differential output)

RL ≥ 600 Ω

±6

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

NOTE 6: The test condition is a 0-dBm, 1-kHz input signal with an 8-kHz conversion rate.

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