MAX1253AEUE Просмотр технического описания (PDF) - Maxim Integrated

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производитель

MAX1253AEUE

Stand-Alone, 10-Channel, 12-Bit System Monitors with Internal Temperature Sensor and VDD Monitor

Maxim Integrated 

Stand-Alone, 10-Channel, 12-Bit System Monitors

with Internal Temperature Sensor and VDD Monitor

Typical Operating Characteristics (continued)

(VDD = +3V, VREF = 2.5V (MAX1253); VDD = 5V, VREF = 4.096V (MAX1254); fSCLK = 10MHz, CREF = 0.1µF, TA = +25°C, unless oth-

erwise noted.)

EXTERNAL TEMPERATURE SENSOR

TEMPERATURE ERROR

2.0

MAX1253/MAX1254

1.6

1.2

EXTERNAL SENSOR,

0.8

DIFFERENTIAL INPUT

0.4

0

-0.4

-0.8

-1.2 EXTERNAL SENSOR,

-1.6 SINGLE-ENDED INPUT

-2.0

-40 -20 0 20 40 60 80

TEMPERATURE (°C)

SAMPLING ERROR

vs. INPUT SOURCE IMPEDANCE

1

0

-1

-2

-3

-4

-5

10

100

1000

SOURCE IMPEDANCE (Ω)

10,000

TEMPERATURE ERROR vs. INTERCONNECT

CAPACITANCE (EXTERNAL SENSOR)

1

0

-1

-2

-3

-4

EXTERNAL DIODE

-5 DIFFERENTIAL TEMPERATURE

MEASUREMENT MODE

-6

1

10

100

1000

INTERCONNECT CAPACITANCE (pF)

TURN ON THERMAL TRANSIENT,

CONTINUOUS CONVERSION

VDD = 3.0V

0.625

IN A TSSOP SOCKET

0.500

0.375

SOLDER ON A 2in ✕ 2in PWB

0.250

0.125

0

-0.125

0

IN AN OIL BATH

EXTERNAL BJT

5 10 15 20 25 30

TIME (s)

8 _______________________________________________________________________________________

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