Rainbow-electronics MAX5811 Manual de usuario descargar pdf (Pagina 3)

MAX5811

10-Bit Low Power 2-Wire Interface Serial,

Voltage-Output DAC

_______________________________________________________________________________________ 3

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

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

= T

MIN

to T

MAX

Note 2: Static specifications are tested with the output unloaded.

Note 3: Linearity is guaranteed from codes 29 to 995.

Note 4: Offset and gain error limit the FSR.

Note 5: Guaranteed by design. Not production tested.

ELECTRICAL CHARACTERISTICS (continued)

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

= 5kΩ, C

= 200pF, T

= T

MIN

to T

MAX

, unless otherwise noted. Typical values are at

= +5V, T

= +25°C.) (Note 1)

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

DYNAMIC PERFORMANCE

Voltage-Output Slew Rate SR 0.5 V/µs

Voltage-Output Settling Time

To 1/2LSB code 100 hex to 300 hex or 300

hex to 100 hex (Note 5)

412µs

Digital Feedthrough Code = 000 hex, digital inputs from 0 to V

0.2 nV-s

Digital-to-Analog Glitch Impulse

Major-carry transition (code = 1FF hex to 200

hex and 200 hex to 1FF hex)

12 nV-s

POWER SUPPLIES

Supply Voltage Range V

2.7 5.5 V

All digital inputs at 0 or V

= 3.6V 100 170

Supply Current with

No Load

All digital inputs at 0 or V

= 5.5V 130 190

Power-Down Supply Current All digital inputs at 0 or V

= 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

BUF

1.3 µs

START Condition Hold Time t

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

STA

0.6 µs

Data Hold Time t

DAT

0 0.9 µs

Data Setup Time t

DAT

100 ns

SDA and SCL Receiving

Rise Time

(Note 5) 0 300 ns

SDA and SCL Receiving

Fall Time

(Note 5) 0 300 ns

SDA Transmitting Fall Time t

(Note 5)

20 +

0.1C

250 ns

STOP Condition Setup Time t

STO

0.6 µs

Bus Capacitance C

(Note 5) 400 pF

Maximum Duration of

Suppressed Pulse Widths

050ns

1 2 3 4 5 6 7 8 ... 12 13

Voltage-Output DAC 1

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