Rainbow-electronics MAX1329 Manual do Utilizador descarregar pdf (Página 9)

MAX1329/MAX1330

12-/16-Bit DASs with ADC, DACs, DPIOs, APIOs,

Reference, Voltage Monitors, and Temp Sensor

_______________________________________________________________________________________ 9

ELECTRICAL CHARACTERISTICS (continued)

(DV

= 1.8V to 3.6V, AV

= 2.7V to 5.5V, V

REFDAC

= V

REFADC

= 2.5V, external reference; 10µF capacitor at REFADC and REFDAC;

0.01µF capacitor at REFADJ; T

= T

MIN

to T

MAX

, unless otherwise noted. Typical values are at T

= +25°C.)

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

Input High Voltage

0.7 x

DPIO1–DPIO4

0.3 x

Input Low Voltage

CLKIO

0.25 x

Input Hysteresis DV

= 3V 110 mV

Three-State Leakage ±0.01 ±1 µA

Three-State Capacitance (Note 2) 15 pF

DPIO_ Pullup Resistance 0.5 MΩ

ANALOG I/O (APIO1–APIO4)

SINK

= 2mA, AV

= 2.7V to 5.5V 0.4

Output Low Voltage

SINK

= 1mA, AV

= 1.8V to 5.5V 0.4

SOURCE

= 2mA, AV

= 2.7V to 5.5V

0.8 x

Output High Voltage

SOURCE

= 1mA, AV

= 1.8V to 5.5V

0.8 x

= 2.7V to 5.5V

0.7 x

Input High Voltage

= DV

= 1.8V to 3.6V

0.7 x

= 2.7V to 5.5V

0.3 x

Input Low Voltage

= DV

= 1.8V to 3.6V

0.3 x

= 3V 120

Input Hysteresis

= 5V 160

Three-State Leakage ±0.01 ±10 µA

Three-State Capacitance (Note 2) 15 pF

Pullup Resistance 0.5 MΩ

POWER REQUIREMENTS

Supply Voltage Range 1.8 3.6 V

Supply Voltage Range 2.7 5.5 V

Run (all on, except charge pump) 3.75 7.5 mA

Supply Current (Note 8)

Sleep (1.8V or 2.7V monitor on) 1 2.5 µA

Shutdown Current All off 0.5 1 µA

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 77 78

MAX1329/MAX1330 1

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