LMP92018

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SNAS514B – NOVEMBER 2011 – REVISED MAY 2013

Electrical Characteristics (continued)

the temperature range of

Symbol

Parameter

Conditions

Min

Typ

Max

Units

4.975

FSO

Full Scale Output at code 3FFh

4.975

V

4.975

Output Short Circuit Current

VDD = 5V, OUT = 0V,

−67

Input Code =3 FFh

Output Short Circuit Current

VDD = 5V, OUT = DREF,

76

mA

Input Code = 000h

10

Continuous Output Current per

Channel (to prevent damage)

6.5

Maximum Load Capacitance

1000

pF

Enabled

1.7

Ω

DC Output Impedance

Disabled

>20

M

Ω

ANALOG INPUT CHARACTERISTICS

FS Input Range

REF

V

ADC in HOLD or Power Down

−1

+1

µA

In Acquisition mode

33

Input Capacitance

pF

In Conversion mode

3

REFERENCE CHARACTERISTICS

ADC Reference Input Range

2.5

VDD

V

DAC Reference Input Range

2.5

VDD

DAC Reference Input Resistance

50

k

Ω

DAC Reference Input Current

125

µA

ADC Reference Current, during

External Reference, REF = VDD

1

µA

conversion, average value

REF pin Current in Powerdown

10

µA

REF Output Voltage

2.5

V

Internal Reference Tolerance

–0.15

0.15

%

REF Output Temperature Drift

17

ppm/°C

REF Output Maximum Current

1

mA

REF Output Load Regulation

–0.6

%

REF Output Rail Regulation

4.75V

≤VDD≤5.25V

±0.04

%

TEMPERATURE SENSOR

Resolution

0.0625

°C

−40°C to +125°C

−2.5

+2.5

°C

DIGITAL INPUT CHARACTERISTICS (GPIO[11:0])

Input HIGH Voltage

0.7x VGPIO

V

0.3x

Input LO Voltage

VGPIO

Hysteresis

250

mV

Digital Input Current

±0.005

±1

µA

Input Capacitance

4

pF

(4)

Indicates the typical internal short circuit current limit. Sustained operation at this level will lead to device damage.

(5)

Device Specification is guaranteed by characterization and is not tested in production.

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