AS1500 datasheet(5/14 Pages) AMSCO

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AS1500

Data Sheet - El ectrical Characte ristics

AS1502 / AS1503 – SPECIFICATIONS

VCC = 3V±10% or 5V±10%, VA = VCC, VB = 0V, –40ºC ≤ TA ≤ +125ºC unless otherwise noted.

PDISS

Power Dissipation

(CMOS)

VIH = VCC or VIL = 0V, VCC = 5.5V

27.5

µW

PSSR

Power Supply

Suppression Ratio

VCC = 5V+0.5VP

sine wave @

1kHz

AS1500,

Version: 10k

-54

-25

AS1501,

Version: 20k

-52

-25

Dynamic Characteristics

BW_10k

Bandwidth –3dB

RWB = 10kΩ, VCC = 5V

1000

kHz

BW_20k

RWB = 20kΩ, VCC = 5V

500

kHz

THDW

Total Harmonic

Distortion

VA = 1VRMS + 2VDC, VB = 2VDC,

f = 1kHz

0.003

tS_10k

VW Settling Time

RWB = 5kΩ, VA = VCC, VB = 0V,

±1% Error Band

µs

tS_20k

RWB = 10kΩ, VA = VCC, VB = 0V,

±1% Error Band

4µs

eNWB_10k

Resistor Noise Voltage

RWB = 5kΩ, f =1kHz

9nV/

√ Hz

eNWB_20k

RWB = 10kΩ, f =1kHz

nV/

√ Hz

1. Typicals represent average readings at 25ºC and VCC = 5V.

2. Wiper is not connected. IAB = 350µA for the 10kΩ version and 175µA for the 20kΩ version.

3. All Tempcos are guaranteed by design and not subject to production test.

4. Terminal A is not connected. IW = 350µA for the 10kΩ version and 175µA for the 20kΩ version.

5. Resistor terminals A, B, W have no limitations on polarity with respect to each other.

6. All capacitances are guaranteed by design and not subject to production test. Resistor-terminal capacitance

tests are measured with 2.5V bias on the measured terminal. The remaining resistor terminals are left open cir-

cuit.

7. Worst-case supply current consumed when input logic level at 2.4V, standard characteristic of CMOS logic.

8. PDISS is calculated from (IDD×VCC). CMOS logic level inputs result in minimum power dissipation.

9. All dynamic characteristics are guaranteed by design and not subject to production test. All dynamic characteris-

tics use VCC=5V.

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

Symbol

Parameter

Conditions

Min

Typ

Max

Units

DC Characteristics Rheostat Mode

RAB

Nominal Resistance

TA = 25ºC, VCC = 5V, AS1502,

Version: 50k

TA = 25ºC, VCC = 5V, AS1503,

Version: 100k

100

120

ΔRAB/ΔT

Resistance Tempco

VAB = VCC, Wiper = No Connect

500

ppm/ºC

Wiper Resistance

VCC = 5V

100

200

R-DNL

Resistor Differential NL

RWB, VCC = 5V, VA = No Connect

-1

±1/4

LSB

R-INL

Resistor Integral NL

RWB, VCC = 5V, VA = No Connect

-2

±1/2

LSB

Table 3. Electrical Characteristics – 10k and 20k Versions

Symbol

Parameter

Conditions

Min

Typ

Max

Units

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