2

Maximum ratings and operating conditions

Absolute maximum ratings are those values beyond which damage to the device may occur. Functional operation

under these conditions is not implied.

Table 4. Absolute maximum ratings

Symbol

Parameters

Value

Units

AVCC (1)

Maximum analog power supply between AVCC and

AGND

-0.3 V to 4.8 V

V

DVCC (1)

Maximum digital power supply between DVCC and

DGND

-0.3 V to AVCC +0.3 V (max 4.8 V)

V

Tstg

Maximum temperature storage

-65 to +150

°C

Tj

Maximum junction temperature

+150

°C

Rthja (2)

Junction to ambient thermal resistance (TSSOP16

package)

95

°C/W

Rthjc (2)

Junction to case thermal resistance (TSSOP16

package)

35

°C/W

Vi (3)

Max voltage on any pin vs. GND

-0.3 V to AVCC +0.3 V

V

Ii

Max input current at any pin

± 10

mA

ESD

HBM on all pins (human body model)

± 4 k

V

CDM on all pins (charged device model)

± 1 k

V

1. All voltages, except differential I/O bus voltage, are with respect to the network ground terminal.

2. Short-circuits can cause excessive heating. Destructive dissipation can result from short-circuits on the amplifiers.

3. When the input voltage at any pin exceeds the power supplies (that is VIN < AGND or VIN > AVCC or DVCC), the current at

that pin should be limited to 10 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 10 mA to two.

Table 5. Operating conditions

Symbol

Parameters

Min.

Max.

Units

AVCC

Analog supply voltage

2.7

3.6

V

DVCC

Digital supply voltage

AVCC - 0.15 V

AVCC + 0.15 V

V

VINA

Analog input voltage

0

AVCC

V

VIND

Digital input voltage

0

AVCC

V

SCLK

Clock frequency

0.8

16

MHz

Ta

Ambient temperature range

-40

+125

°C

ADC120

Maximum ratings and operating conditions

DS12987 - Rev 1

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