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AS1507

Data Sheet - E l e c t r i c a l C h a r a c t e r i s t i c s

6 Electrical Characteristics

(unless otherwise specified).

Table 4. Electrical Characteristics

Symbol

Parameter

Condition

Min

Typ

Max

Unit

Power Supply

2.70

5.5

V

Standby Current

0.1

0.5

µA

Operating Current

(CMOS write)

Includes Non-Volatile Write to Memory

1

110

200

µA

DC Performance (Voltage Divider Mode)

N

Resolution

256

Taps

INL

Integral Linearity

2

AS1507-10

±0.5

±1

LSB

AS1507-50 & -100

±0.25

±0.5

DNL

Differential Non-Linearity

2

AS1507-10

±0.5

±1

LSB

AS1507-50 & -100

±0.25

±0.5

End-to-End Resistance

Temperature Coefficient

90

ppm/ºC

Full Scale Error

AS1507-10

2.5

4

LSB

AS1507-50

1.5

2.5

AS1507-100

1.5

2.5

Zero Scale Error

AS1507-10

1

2

LSB

AS1507-50

0.1

0.7

AS1507-100

0.1

0.7

DC Performance (Variable Resistor Mode)

INL

Integral Linearity

3

AS1507-10

±1

±2

LSB

AS1507-50 & -100 @ 3V

±0.6

±1.5

AS1507-50 & -100 @ 5V

±0.5

±1

DNL

Differential Non-Linearity

AS1507-10

±0.5

±1

LSB

AS1507-50 & -100

±0.5

±1

DC Performance (Resistor Characteristics)

Wiper Resistance

4

200

Ω

120

Wiper Capacitance

15

pF

End-to-End Resistance

AS1507-10

7.5

10

12.5

k

Ω

AS1507-50

37.5

50

62.5

AS1507-100

75

100

125

Inputs and Outputs

WIPER Voltage Range

GND-

0.3

0.3

V

HIGH Voltage Range

LOW Voltage Range

Digital Input High Voltage

5

2.1

V

2.4

Digital Input Low Voltage

5

0.6

V

0.8

Digital Input Leakage Current

200

500

nA

Digital Input Capacitance

5

pF

Continuous DAC current

1000

µA