LM82 datasheet(4/25 Pages) TI

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LM82

SNIS113D – JANUARY 2000 – REVISED MARCH 2013

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These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam

during storage or handling to prevent electrostatic damage to the MOS gates.

Absolute Maximum Ratings

(1)

Supply Voltage

−0.3 V to 6.0 V

Voltage at SMBData,

SMBCLK, T_CRIT_A & INT pins

−0.5V to 6V

Voltage at Other Pins

−0.3 V to (VCC + 0.3 V)

− Input Current

±1 mA

Input Current at All Other Pins (2)

5 mA

Package Input Current (2)

20 mA

SMBData, T_CRIT_A, INT Output Sink Current

10 mA

Storage Temperature

−65°C to +150°C

Soldering Information, Lead Temperature

SSOP Package (3)

Vapor Phase (60 seconds)

215°C

Infrared (15 seconds)

220°C

ESD Susceptibility (4)

Human Body Model

2000 V

Machine Model

250 V

(1)

Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. DC and AC electrical specifications do not

apply when operating the device beyond its rated operating conditions.

(2)

When the input voltage (VI) at any pin exceeds the power supplies (VI < GND or VI > VCC), the current at that pin should be limited to 5

mA. The 20 mA maximum package input current rating limits the number of pins that can safely exceed the power supplies with an input

current of 5 mA to four. Parasitic components and or ESD protection circuitry are shown in the figure below for the LM82's pins. The

nominal breakdown voltage of the zener D3 is 6.5 V. Care should be taken not to forward bias the parasitic diode, D1, present on pins:

D+, D

−, ADD1 and ADD0. Doing so by more than 50 mV may corrupt a temperature or voltage measurement.

(3)

See the section titled “Surface Mount” found in a current Texas Instruments Linear Data Book for other methods of soldering surface

mount devices.

(4)

Human body model, 100 pF discharged through a 1.5 k

Ω resistor. Machine model, 200 pF discharged directly into each pin.

Operating Ratings

Specified Temperature Range

TMIN to TMAX

LM82

−40°C to +125°C

Supply Voltage Range (VCC)

+3.0V to +3.6V

Temperature-to-Digital Converter Characteristics

Unless otherwise noted, these specifications apply for VCC=+3.0 Vdc to 3.6 Vdc. Boldface limits apply for TA = TJ = TMIN to

TMAX; all other limits TA= TJ=+25°C, unless otherwise noted.

Typical(1)

Limits(2)

Units

Parameter

Conditions

(Limit)

Temperature Error using Local Diode (3)

TA = 0 °C to +85°C,

±1

±3

°C (max)

VCC=+3.3V

TA = −40 °C to +125°C,

±4

°C (max)

VCC=+3.3V

Temperature Error using Remote Diode (3)

TA = +60 °C to +100°C,

±3

°C (max)

VCC=+3.3V

TA = 0 °C to +100°C,

±3

°C (max)

VCC=+3.3V

TA = 0 °C to +125°C,

±4

°C (max)

VCC=+3.3V

Resolution

Bits

°C

(1)

Typicals are at TA = 25°C and represent most likely parametric norm.

(2)

Limits are ensured to AOQL (Average Outgoing Quality Level).

(3)

The Temperature Error will vary less than ±1.0°C for a variation in VCC of 3V to 3.6V from the nominal of 3.3V.

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