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Revision 1.01

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AS1500

DC Characteristics Potentiometer Divider

N

Resolution

8Bits

INL

Integral Nonlinearity

-4

±1

+4

LSB

-4

±1

+4

LSB

DNL

Differential Nonlinearity

-1

±1/4

+1

LSB

-1

±1/4

+1

LSB

Voltage Divider Tempco

15

ppm/ºC

Full-Scale Error

-1

-0.25

0

LSB

Zero-Scale Error

00.1

1

LSB

Resistor Terminals

Voltage Range

5

V

Capacitance

6

Ax, Bx

f =1MHz, Measured to GND,

15

pF

Capacitance Wx

f =1MHz, Measured to GND,

80

pF

Digital Inputs and Outputs

Input Logic High

2.4

V

Input Logic Low

0.8

V

Input Logic High

2.1

V

Input Logic Low

0.6

V

Input Current

±1

µA

Input Capacitance

5pF

Power Supplies

Power Supply Range

2.7

5.5

V

0.1

1

µA

Supply Current (TTL)

7

0.9

4

mA

Power Dissipation

(CMOS)

8

27.5

µW

PSSR

Power Supply

Suppression Ratio

sine wave @

1kHz

AS1502,

Version: 50k

Ω

-43

dB

AS1503,

Version: 100k

Ω

-52

dB

Dynamic Characteristics

9

BW_50k

Bandwidth –3dB

Bandwidth –3dB

220

kHz

BW_100k

110

kHz

Total Harmonic

Distortion

f = 1kHz

0.003

%

Table 4. Electrical Characteristics – 50k and 100k Versions

Symbol

Parameter

Conditions

Min

Typ

1

Max

Units