DS4802 datasheet(3/19 Pages) DALLAS

3 / 19 page

DS4802

3 of 19

ELECTRICAL CHARACTERISTICS

(TA: 0

°C – 70°C. VDD = 1.8V)

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

NOTES

Input Offset Voltage

(VIC = 0.5V, RS = 50

Ω, V

OUT = VDD/2)

VIO

0.1

0.95

Temperature Coefficient of Input

Offset Voltage

(VIC = 0.5V, RS = 50

Ω, V

OUT = VDD/2)

αV

µV/

°C

Input Offset Current

(RS = 50

Ω)

IIO

500

Input Bias Current

(RS = 50

Ω)

IIB

500

Common-mode Input Voltage Range

(|VIO|

≤ 5 mV, R

S = 50

Ω)

VICR

0 to 1

-0.3 to

1.2

High Level Output Voltage

(IOH = -50 µA)

(IOH = -500 µA)

VOH

1.5

1.785

1.65

Low Level Output Voltage

(IOL = 50 µA)

(IOL = 500 µA)

VOL

100

200

Large Signal Differential Voltage

Amplification

(VIC = 0.5V, 0.4V

≤ V

≤ 1.4V) R

L =

100 k

Ω

(VIC = 0.5V, 0.4V

≤ V

≤ 1.4V) R

L =

10 k

Ω

AVD

Input Resistance

RIN

>10

Ω

Common Mode Input Capacitance

ci(c)

24.0

Common Mode Rejection Ratio

(0V

≤ V

≤ 0.8V, R

S = 50

Ω, V

O =

VDD/2)

CMRR

Supply Voltage Rejection Ratio

(1.8V

≤ V

≤ 3.6V, V

IC = VDD/2, no

load)

kSVR

Amplifier

Supply

Current

(per

channel)

(VO = VDD/2, no load)

IDD

µA

Slew Rate at Unity Gain

(RL = 100 k

Ω, C

L = 100 pF tied to

VDD/2)

V/ms

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