Rainbow-electronics MAX1329 Manual de usuario descargar pdf (Pagina 8)

MAX1329/MAX1330

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

Reference, Voltage Monitors, and Temp Sensor

8 _______________________________________________________________________________________

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

OSW_ Switch Charge Injection 1pC

Input Noise Voltage Density f

IN_

= 1kHz 330 nV/√Hz

Input Noise Voltage f

IN_

= 0.1Hz to 10Hz 9 µV

RMS

Power-Down Output Leakage ±10 nA

Power-Supply Rejection Ratio AV

= 2.7V to 5.5V 65 100 dB

Supply Current per Amplifier (Note 3) 70 µA

Turn-On Time 5µs

Source 50

Short-Circuit Current

Sink 13

DC Output Impedance A

= 1V/V 0.2 Ω

DIGITAL INPUTS (DIN, SCLK, CS)

Input High Voltage V

0.7 x

Input Low Voltage V

0.3 x

Input Hysteresis DV

= 3V 200 mV

Input Leakage Current V

= 0 or DV

±0.01 ±10 µA

DIGITAL OUTPUTS (DOUT, RST1, RST2)

SINK

= 1mA, DV

= 2.7V to 3.6V 0.4

Output Low Voltage V

SINK

= 200µA, DV

= 1.8V to 3.6V 0.4

SOURCE

= 0.2mA, DV

= 2.7V to 3.6V

0.8 x

Output High Voltage V

SOURCE

= 100µA, DV

= 1.8V to 3.6V

0.8 x

DOUT Three-State Leakage ±0.01 ±10 µA

DOUT Three-State Capacitance (Note 2) 15 pF

SINK

= 1mA, DV

= 2.7V to 3.6V 0.4

RST1, RST2 Open-Drain Output

Low Voltage

SINK

= 200µA, DV

= 1.8V to 3.6V 0.4

RST1, RST2 Open-Drain Output

Leakage Current

(Note 2) 0.13 100 nA

DIGITAL I/O (DPIO1–DPIO4, CLKIO)

SINK

= 2mA, DV

= 2.7V to 3.6V 0.4

Output Low Voltage

SINK

= 1mA, DV

= 1.8V to 3.6V 0.4

SOURCE

= 2mA, DV

= 2.7V to 3.6V

0.8 x

Output High Voltage

SOURCE

= 1mA, DV

= 1.8V to 3.6V

0.8 x

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

MAX1329/MAX1330 1

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Rainbow-electronics MAX1329 Manual de usuario Pagina 8

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