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Typical operating characteristics – Rainbow Electronics MAX5661 User Manual

Page 8

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MAX5661

Single 16-Bit DAC with Current and Voltage
Outputs for Industrial Analog Output Modules

8

________________________________________________________________________________________

SCLK

DIN

DOUT

t

CSO

t

CL

t

DO

t

DV

t

CSS

t

DH

t

DS

t

CH

t

CP

LDAC

t

CSLD

t

LDL

t

DV

t

CS1

t

SCS

t

CSH

t

CSW

CS

Figure 1. Serial-Interface Timing Diagram

Typical Operating Characteristics

(

Typical Operating Circuit, V

CC

= +5V, C

COMPI

= 22nF, V

DDV

= V

DDCORE

= +15V, V

SSV

= -15V, V

DDI

= +24V, V

REF

= +4.096V,

V

AGND

= V

DGND

= 0V, R

SERIES

= 47Ω, OUTV loaded with 2kΩ || 100pF to AGND, OUTI loaded with 500Ω to AGND, T

A

= +25°C.)

-1.0

-0.4

-0.6

-0.8

-0.2

0

0.2

0.4

0.6

0.8

1.0

0

16,384

32,768

49,152

65,536

INL vs. DIGITAL INPUT CODE

MAX5661 toc01

DIGITAL INPUT CODE

INL (LSB)

UNIPOLAR VOLTAGE OUTPUT

-1.0

-0.4

-0.6

-0.8

-0.2

0

0.2

0.4

0.6

0.8

1.0

0

16,384

32,768

49,152

65,536

INL vs. DIGITAL INPUT CODE

MAX5661 toc02

DIGITAL INPUT CODE

INL (LSB)

BIPOLAR VOLTAGE OUTPUT

0

16,384

32,768

49,152

65,536

INL vs. DIGITAL INPUT CODE

MAX5661 toc03

DIGITAL INPUT CODE

INL (LSB)

-2

0

-1

2

1

4

3

5

0 TO 20mA CURRENT OUTPUT