DAC8 datasheet(2/3 Pages) AMSCO

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Data Sheet DAC8 - CUX

Revision A, 26.11.02

Page 2 of 3

POWER SUPPLIES

The converter requires one power supply (vdda, gnd).

TECHNICAL DATA FOR 5V SUPPLY

(Tjunction = 0 to +85° C, VDDA = 5V

± 10%, unless otherwise

specified)

GENERAL PARAMETERS

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Resolution

Bit

Vin

Input Voltage Range

VSS

VDD

DNL

Differential Nonlinearity

VRP = 3.5V

VRN = 1.5V

VDD = 5V

temp = 25° C

± 0.25

LSB

INL

Integral Nonlinearity

VRP = 3.5V

VRN = 1.5V

VDD = 5V

temp = 25° C

± 0.25

LSB

Vos

Input Offset Voltage

VRP = 3.5V

VRN = 1.5V

VDD = 5V

temp = 25° C

± 0.25

LSB

Rref

Reference Impedance

5.9

10.7

kOhms

Vdd

Power Supply Range

4.5

5.0

5.5

Idd

Power Supply Current

0.13 1)

PVdd

Power Consumption

0.13 1)

Rout

Output Resistance

21 2)

kOhms

1) Vrefp – Vrefn = 1V

2) Middle of the resistor string; Code: 0111 0111

(output resistance is code-dependent)

Idd includes the current through the resistor string

TRANSIENT PARAMETERS

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Settling Time

5V, 25° C

Cload = 30pF

µ s

Vout = (VRP – VRN) / 256 * code_in + VRN

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