TLV2548MFKB datasheet(22/41 Pages) TI

22 / 41 page

TLV2544Q, TLV2548Q, TLV2548M

3-V TO 5.5-V, 12-BIT, 200-KSPS, 4-/8-CHANNEL, LOW-POWER

SERIAL ANALOG-TO-DIGITAL CONVERTERS WITH AUTOPOWER-DOWN

SGLS119C – FEBRUARY 2002 – REVISED OCTOBER 2002

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

recommended operating conditions (continued)

MIN

NOM

MAX

UNIT

Delay time, delay from CSTART rising edge to CSTART falling edge,

td(CSTARTH-CSTARTL)

Max t(conv)

µs

Delay time, delay from CSTART rising edge to INT falling edge, td(CSTARTH-INTL)

Max t(conv)

µs

Operating free air temperature TA

TLV2544Q/TLV2548Q

–40

125

°C

Operating free-air temperature, TA

TLV2548M

–55

125

°C

electrical characteristics over recommended operating free-air temperature range, VCC = VREFP =

3 V to 5.5 V, SCLK frequency = 20 MHz at 5 V, 15 MHz at 3 V (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

VOH

High level output voltage

VCC = 5.5 V, IOH = –0.2 mA at 30 pF load

2.4

VOH

High-level output voltage

VCC = 3 V, IOH = -20 µA at 30 pF load

VCC–0.2

Low level output voltage

VCC = 5.5 V, IOL = 0.8 mA at 30 pF load

0.4

VOL

Low-level output voltage

VCC = 3 V, IOL = 20 µA at 30 pF load

0.1

IOZ

Off-state output current

(high-impedance-state)

VO = VCC

CS = VCC

2.5

µA

IOZ

Off-state output current

(high-impedance-state)

VO = 0

CS = VCC

–2.5

–1

µA

IIH

High-level input current

VI = VCC

0.005

2.5

µA

IIL

Low-level input current

VI = 0 V

–0.005

2.5

µA

CS at 0 V Ext ref

VCC = 4.5 V to 5.5 V

Operating supply current, normal

CS at 0 V, Ext ref

VCC = 3 V to 3.3 V

sampling (short)

CS at 0 V Int ref

VCC = 4.5 V to 5.5 V

2.4

ICC

CS at 0 V, Int ref

VCC = 3 V to 3.3 V

1.7

ICC

CS at 0 V Ext ref

VCC = 4.5 V to 5.5 V

1.1

Operating supply current, extended

CS at 0 V, Ext ref

VCC = 3 V to 3.3 V

sampling

CS at 0 V Int ref

VCC = 4.5 V to 5.5 V

2.1

CS at 0 V, Int ref

VCC = 3 V to 3.3 V

1.7

Internal reference supply current

CS at 0 V, VCC = 4.5 V to 5.5 V

Internal reference supply current

VCC = 3 V to 3.3 V

0.7

ICC(

)

Power down supply current

for all digital inputs,

VCC = 4.5 V to 5.5 V, Ext clock

µA

ICC(PD)

oa d g a

u s,

≤ VI ≤ 0.3 V or

VI ≥ VCC – 0.3 V, SCLK = 0

VCC = 3 V to 3.3 V, Ext clock

µA

ICC(

)

Auto power-down current for all

digital inputs 0

≤ VI ≤ 03Vor

VCC = 4.5 V to 5.5 V, Ext clock, Ext ref

1‡

µA

ICC(AUTOPWDN)

digital inputs, 0

≤ VI ≤ 0.3 V or

VI ≥ VCC – 0.3 V, SCLK = 0

VCC = 3 V to 3.3 V, Ext ref, Ext clock

1§

µA

Selected channel leakage current

Selected channel at VCC

2.5

µA

Selected channel leakage current

Selected channel at 0 V

2.5

µA

Maximum EXT analog reference

current into REFP (use external

reference)

VREFP = VCC = 5.5 V, VREFM = GND

µA

Input capacitance

Analog inputs

Input capacitance

Control Inputs

Input MUX ON resistance

VCC = 4.5 V

500

Ω

Input MUX ON resistance

VCC = 3 V

600

Ω

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

‡ 1.2 mA typical if internal reference is used, 165

µA typical if internal clock is used.

§ 0.8 mA typical if internal reference is used, 116

µA typical if internal clock is used.

TLV2548MFKB Datasheet(PDF) 22 Page - Texas Instruments

TLV2548MFKB Datasheet(HTML) 22 Page - Texas Instruments

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41

Datasheet Download

Link URL