ADT7488A(2012) Ver la hoja de datos (PDF) - ON Semiconductor

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Fabricante

ADT7488A
(Rev.:2012)

SST Digital Temperature Sensor and Voltage Monitor

ON Semiconductor 

ADT7488A

Table 4. ELECTRICAL CHARACTERISTICS

(TA = TMIN to TMAX, VCC = VMIN to VMAX, unless otherwise noted)

Parameter

Test Conditions/Comments

Power Supply

Supply Voltage, VCC

Undervoltage Lockout Threshold

Average Operating Supply

Current, IDD

Continuous Conversions

Temperature-to-Digital Converter

Local Sensor Accuracy

40C  TA  70C; VCC = 3.3 V 5%

−40C  TA  +100C

Remote Sensor Accuracy

−40C  TD  +125C; TA = 25C; VCC = 3.3 V

−40C  TD  +125C; −40  TA  70C;

VCC = 3.3 V 5%

−40C  TD  +125C; −40  TA  +100C

Remote Sensor Source Current

Low Level

Mid Level

High Level

Resolution

Series Resistance Cancellation

The ADT7488A Cancels 1.5 kW in Series

with the Remote Thermal Diode

Digital Input (ADD)

Input High Voltage, VIH

Input Low Voltage, VIL

Input High Current, IIH

Input Low Current, IIL

Pin Capacitance

VIN = VCC

VIN = 0

Analog-to-Digital Converter (Including Multiplexer and Attenuators)

Total Unadjusted Error (TUE)

Differential Non-linearity (DNL)

10 Bits

Power Supply Sensitivity

Conversion Time

(Voltage Input) (Note 1)

Averaging Enabled

Conversion Time

(Local Temperature) (Note 1)

Averaging Enabled

Conversion Time

(Remote Temperature) (Note 1)

Averaging Enabled

Total Monitoring Cycle Time

(Note 1)

Averaging Enabled

Input Resistances

VCCP and 2.5 V Channels

Digital I/O (SST Pin)

Input High Voltage , VIH

Input Low Voltage, VIL

Hysteresis (Note 1)

Between Input Switching Levels

Output High Voltage, VOH

High Impedance State Leakage,

ILEAK

High Impedance State Leakage,

ILEAK

Signal Noise Immunity, VNOISE

ISOURCE = 6 mA (Maximum)

Device Powered On SST Bus;

VSST = 1.1 V, VCC = 3.3 V

Device Non-powered On SST Bus;

VSST = 1.1 V, VCC = 0 V

Noise Glitches from 10 MHz to 100 MHz;

Width Up to 50 ns

Min

3.0

−

−

−

−

−

−

−

−

−

−

−

−

2.3

−

−1.0

−

−

−

−

−

−

−

−

−

80

1.1

−

−

1.1

−

−

300

Typ

3.3

2.8

3.8

+1.0

−

−

+1.0

−

12

80

204

0.016

1.5

−

−

−

−

5.0

−

−

0.1

−

−

−

121

110

−

−

150

−

−

−

−

Max

Unit

3.6

V

−

V

5.0

mA

1.75

C

4.0

1.0

C

1.75

4.0

−

mA

−

−

−

C

−

kW

−

V

0.8

V

−

mA

1.0

mA

−

pF

1.5

%

1.0

LSB

−

%/V

11

ms

12

ms

38

ms

−

ms

140

kW

−

V

0.4

V

−

mV

1.9

V

1.0

mA

10

mA

−

mV

p-p

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