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Electrical characteristics (continued) – Rainbow Electronics MAX5812 User Manual

Page 3

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MAX5812

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

Voltage-Output DAC

_______________________________________________________________________________________

3

Note 1: All devices are 100% production tested at T

A

= +25°C and are guaranteed by design for T

A

= T

MIN

to T

MAX

.

Note 2: Static specifications are tested with the output unloaded.
Note 3: Linearity is guaranteed from codes 115 to 3981.
Note 4: Offset and gain error limit the FSR.
Note 5: Guaranteed by design. Not production tested.

ELECTRICAL CHARACTERISTICS (continued)

(V

DD

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

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

POWER SUPPLIES

Supply Voltage Range

V

DD

2.7

5.5

V

All digital inputs at 0 or V

DD

= 3.6V

100

170

Supply Current with No Load

All digital inputs at 0 or V

DD

= 5.5V

130

190

µA

Power-Down Supply Current

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

Bus Capacitance

C

b

(Note 5)

400

pF

Maximum Duration of
Suppressed Pulse Widths

t

SP

0

50

ns