MAX158ACPI datasheet(3/12 Pages) MAXIM

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ELECTRICAL CHARACTERISTICS (continued)

(VDD = +5V, VREF+ = +5V, VREF- = GND, MODE 0, TA = TMIN to TMAX, unless otherwise noted).

TIMING CHARACTERISTICS (Note 5)

(VDD = +5V, VREF+ = +5V, VREF- = GND, MODE 0, TA = TMIN to TMAX, unless otherwise noted).

Note 5: All input control signals are specified with tR = tF = 20ns (10% to 90% of +5V) and timed from a 1.6V voltage level.

Note 6: Measured with load circuits of Figure 1 and defined as the time required for an output to cross 0.8V or 2.4V.

Note 7: Defined as the time required for the data lines to change 0.5V when loaded with the circuits of Figure 2.

CMOS High-Speed 8-Bit ADCs with

Multiplexer and Reference

_______________________________________________________________________________________

(Note 6)

CL = 50pF, RL = 5kΩ

(Note 7)

CL = 50pF

CONDITIONS

tDH

Data Hold Time

tINTH

RD to INT Delay (Mode 1)

tCSH

tCSS

CS to RD Setup Time

CS to RD Hold Time

tACC2

Data Access Time

After INT, Mode 0

tACC1

Data Access Time After RD

µs

1.6

2.0

tCRD

Conversion Time (Mode 0)

tRDY

CS to RDY Delay

tAS

Multiplexer Address

Setup Time

tAH

Multiplexer Address

Hold Time

UNITS

MIN

TYP

MAX

SYMBOL

500

Delay Time

Between Conversions

500

100

110

2.4

MAX15_C/E

600

100

120

2.8

MAX15_M

MIN

MAX

MIN

MAX

600

tRD

RD Pulse Width (Mode 1)

500

400

DB0-DB7, INT; IOUT = -360µA

CS = RD = 2.4V

5V ±5% for specified performance

DB0-DB7, INT; RDY

DB0-DB7, RDY; VOUT = 0V to VDD

VDD = ±5%

CONDITIONS

LSB

±1/16

±1/4

PSS

Power-Supply Sensitivity

4.0

VOH

Output High Voltage

Power Dissipation

IDD

Supply Current

4.75

5.25

VDD

Supply Voltage

0.4

VOL

Output Low Voltage

µA

±3

Three-State Output Current

COUT

Output Capacitance (Note 4)

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

IOUT = 1.6mA

IOUT = 2.6mA

LOGIC OUTPUTS

POWER-SUPPLY

PARAMETER

TA = +25°C

Note 1: Total unadjusted error includes offset, full-scale, and linearity errors.

Note 2: Specified with no external load unless otherwise noted.

Note 3: Temperature drift is defined as change in output voltage from +25°C to TMIN or TMAX divided by (25 - TMIN) or (TMAX - 25).

Note 4: Guaranteed by design.

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