CAT5120TBI-10-T3 查看數據表（PDF） - ON Semiconductor

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CAT5120TBI-10-T3

16-Tap MiniPot Digitally Programmable Potentiometers with 2-Wire Interface

ON Semiconductor 

CAT5120, CAT5121, CAT5122

Table 3. ELECTRICAL CHARACTERISTICS

(VDD = 2.7 V to 5.5 V, VH = VDD, VL = 0, TA = −40°C to +85°C. Typical values are at VDD = 2.7 V, TA = 25°C, unless otherwise noted.)

Parameter

Symbol

Conditions

Min

Typ

Max

Units

DC PERFORMANCE

Resolution

16

Taps

End−to−End Resistance (−00)

75

100

125

kW

End−to−End Resistance (−50)

37.5

50

62.5

End−to−End Resistance (−10)

7.5

10

12.5

End−to−End Resistance Tempco

TCR

Ratiometric Resistance Tempco

200

ppm/°C

5

ppm/°C

Integral Nonlinearity

INL

±0.5

LSB

Differential Nonlinearity

DNL

±0.5

LSB

Zero/Full−Scale Error

±0.1

±0.5

LSB

Wiper Resistance

RW

DIGITAL INPUTS

200

600

W

Input High Voltage

VIH

Input Low Voltage

VIL

TIMING CHARACTERISTICS (Figures 7, 8)

0.7 x VDD

V

0.3 x VDD

V

U/D Mode to CS Setup

CS to U/D Step Setup

CS to U/D Step Hold

U/D Step Low Period

U/D Step High Period

Up/Down Toggle Rate (Note 2)

Output Settling Time (Note 3)

tCU

25

tCI

50

tIC

25

tIL

25

tIH

25

fTOGGLE

1

tSETTLE

100 kW variable resistor

1

configuration, CL = 10 pF

ns

ns

ns

ns

ns

MHz

ms

100 kW potentiometer

0.25

configuration, CL = 10 pF

POWER SUPPLY

Supply Voltage

VDD

Active Supply Current (Note 4)

IDD

Standby Supply Current (Note 5)

ISB

VDD = +5 V

2. Up/Down Toggle Rate: fTOGGLE = 1 / tSETTLE

3. Typical settling times are dependent on end−to−end resistance.

4. Supply current measured while changing wiper tap, fTOGGLE = 1 MHz.

5. Supply current measured while wiper position is fixed.

2.7

5.5

V

25

mA

0.3

1

mA

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