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Electrical characteristics (continued) – Rainbow Electronics MAX5842 User Manual

Page 3

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MAX5842

Quad, 12-Bit, Low-Power, 2-Wire, Serial

Voltage-Output DAC

_______________________________________________________________________________________

3

ELECTRICAL CHARACTERISTICS (continued)

(V

DD

= +2.7V to +5.5V, GND = 0, V

REF

= V

DD

, R

L

= 5k

Ω, C

L

= 200pF, T

A

= T

MIN

to T

MAX

, unless otherwise noted. Typical values are

at V

DD

= +5V, T

A

= +25°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Input Hysteresis

0.05

V

DD

V

Input Leakage Current

Digital inputs = 0 or V

DD

±0.1

±1

µA

Input Capacitance

6

pF

DIGITAL OUTPUT (SDA)

Output Logic Low Voltage

V

OL

I

SINK

= 3mA

0.4

V

Three-State Leakage Current

I

L

Digital inputs = 0 or V

DD

±0.1

±1

µA

Three-State Output Capacitance

6

pF

DYNAMIC PERFORMANCE

Voltage Output Slew Rate

SR

0.5

V/µs

Voltage Output Settling Time

To 1/2LSB code 400 hex to C00 hex or C00
hex to 400 hex (Note 5)

4

12

µs

Digital Feedthrough

Code = 000 hex, digital inputs from 0 to V

DD

0.2

nV-s

Digital-to-Analog Glitch Impulse

Major carry transition (code = 7FF hex to
800 hex and 800 hex to 7FF hex)

12

nV-s

DAC-to-DAC Crosstalk

2.4

nV-s

POWER SUPPLIES

Supply Voltage Range

V

DD

2.7

5.5

V

All digital inputs at 0 or V

DD

= 3.6V

230

395

Supply Current with No Load

I

DD

All digital inputs at 0 or V

DD

= 5.5V

280

420

µA

Power-Down Supply Current

I

DDPD

All digital inputs at 0 or V

DD

= 5.5V

0.3

1

µA

TIMING CHARACTERISTICS (FIGURE 1)

Serial Clock Frequency

f

SCL

0

400

kHz

Bus Free Time Between STOP
and START Conditions

t

BUF

1.3

µs

START Condition Hold Time

t

HD,STA

0.6

µs

SCL Pulse Width Low

t

LOW

1.3

µs

SCL Pulse Width High

t

HIGH

0.6

µs

Repeated START Setup Time

t

SU,STA

0.6

µs

Data Hold Time

t

HD,DAT

0

0.9

µs

Data Setup Time

t

SU,DAT

100

ns

SDA and SCL Receiving Rise
Time

t

r

(Note 5)

0

300

ns

SDA and SCL Receiving Fall Time

t

f

(Note 5)

0

300

ns

SDA Transmitting Fall Time

t

f

(Note 5)

20 +

0.1C

b

250

ns

STOP Condition Setup Time

t

SU,STO

0.6

µs