Rainbow-electronics MAX1364 Manual do Utilizador descarregar pdf (Página 3)

MAX1363/MAX1364

4-Channel, 12-Bit System Monitors with Programmable

Trip Window and SMBus Alert Response

_______________________________________________________________________________________ 3

ELECTRICAL CHARACTERISTICS (continued)

= 2.7V to 3.6V (MAX1363), V

= 4.5V to 5.5V (MAX1364), V

REF

= 2.048V (MAX1363), V

REF

= 4.096V (MAX1364), C

REF

0.1µF, f

SCL

= 1.7MHz, T

= T

MIN

to T

MAX

, unless otherwise noted. Typical values are at T

= +25°C.)

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

Track/Hold Acquisition Time 800 ns

Internal Clock Frequency 2.8 MHz

External clock, fast mode 60

Aperture Delay (Note 6) t

External clock, high-speed mode 30

ANALOG INPUT (AIN0–AIN3)

Unipolar 0 V

REF

Input Voltage Range, Single

Ended and Differential (Note 7)

Bipolar -V

REF

/ 2 +V

REF

/ 2

Input Multiplexer Leakage

Current

ON/OFF-leakage current, V

AIN_

= 0 or V

±0.01 ±1 µA

Input Capacitance C

22 pF

INTERNAL REFERENCE (Note 8)

MAX1363 2.027 2.048 2.068

Reference Voltage V

REF

= +25°C

MAX1364 4.055 4.096 4.137

Reference-Voltage Temperature

Coefficient

TCV

REF

25 ppm/°C

REF Short-Circuit Current 2mA

REF Source Impedance 1.5 kΩ

EXTERNAL REFERENCE

REF Input Voltage Range V

REF

(Note 9) 1 V

REF Input Current I

REF

SAMPLE

= 94.4ksps 40 µA

DIGITAL INPUTS/OUTPUTS (SCL, SDA, A

)

Input High Voltage V

0.7

Input Low Voltage V

0.3

Input Hysteresis V

HYST

0.1

Input Current I

±10 µA

Input Capacitance C

15 pF

Output Low Voltage V

SINK

= 3mA 0.4 V

INT OUTPUT

Output Low Voltage I

SINK

= 3mA 0.4 V

INT Leakage Current No faults detected ±10 µA

Output Capacitance 15 pF

POWER REQUIREMENTS

MAX1363 2.7 3.6

Supply Voltage V

MAX1364 4.5 5.5

1 2 3 4 5 6 7 8 ... 23 24

MAX1363/MAX1364 1

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