ELECTRICAL CHARACTERISTICS

VDD = 2.7V to 5.5V, VH = VDD, VL = 0, TA = -40ºC to +85ºC. Typical values are at VDD = 2.7V, TA = 25ºC, unless otherwise noted. Parameter DC Performance

End-to-End Resistance (-00) End-to-End Resistance (-50) End-to-End Resistance (-10) End-to-End Resistance Tempco Ratiometric Resistance Tempco Integral Nonlinearity Differential Nonlinearity Full-Scale Error Zero-Scale Error Wiper Resistance Digital Inputs Input High Voltage Input Low Voltage ¯ Mode to CS¯¯ Setup U/D

¯¯ to U/D¯ Step Setup CS

¯¯ to U/D¯ Step Hold CS

¯ Step Low Period U/D

¯ Step High Period U/D

¯¯¯¯¯ Toggle Rate(1) Up/Down

Output Settling Time

(2)

SymbolConditions Min Typ Max Units

80 40 8

100 50 10

120 60 12

k

TCR

ppm/ºC

5 ±0.5 ±0.1

±1 ±1 1

ppm/ºCLSB LSB LSB LSB

INL RW

DNL

0.7 x VDD 25 50 25 25 25

V ns VIH VIL

0.3 x VDD

Timing Characteristics (Figures 1, 2)

tCUtCItICtILtIH100k variable resistor configuration, CL = 10pF 100k potentiometer configuration, CL = 10pF

fTOGGLEtSETTLE

μs

Power Supply Supply Voltage

Active Supply Current Standby Supply Current

Notes:

fTOGGLE=(1) Up/Down Toggle Rate:

1

tSETTLE

VDD(3)

2.7

VDD = +5V

0.3

5.5 25 1

V µA

IDDISB

(4)

(2) Typical settling times are dependent on end-to-end resistance.

(3) Supply current measured while changing wiper tap, fTOGGLE = 1MHz. (4) Supply current measured while wiper position is fixed.

© Catalyst Semiconductor, Inc.

Characteristics subject to change without notice

3

Doc. No. MD-2120 Rev. J