Rainbow-electronics MAX5102 Bedienungsanleitung PDF herunterladen (Seite 4)

MAX5102

+2.7V to +5.5V, Low-Power, Dual, Parallel

8-Bit DAC with Rail-to-Rail Voltage Outputs

4 _______________________________________________________________________________________

Typical Operating Characteristics

= V

REF

= +3V, R

= 10kΩ, C

= 100pF, code = FF hex, T

= +25°C, unless otherwise noted.)

0.4

0.2

0.8

0.6

1.0

1.2

0426810

DAC ZERO-CODE OUTPUT VOLTAGE

vs. SINK CURRENT

MAX5102 toc01

SINK CURRENT (mA)

OUT

(V)

= V

REF

= 3V

= V

REF

= 5V

0426810

DAC FULL-SCALE OUTPUT VOLTAGE

vs. SOURCE CURRENT

MAX5102 toc02

SOURCE CURRENT (mA)

OUT

(V)

= V

REF

= 3V

= V

REF

= 5V

100

130

120

110

150

140

190

180

170

160

200

-40 -20 0 20 40 60 80 100

SUPPLY CURRENT vs. TEMPERATURE

MAX5102 toc03

TEMPERATURE (°C)

SUPPLY CURRENT (µA)

1 DAC AT CODE 00 OR F0

1 DAC AT CODE 00 (R

= ∞)

= 5V; CODE = F0 HEX

= 5V; CODE = 00

= 3V; CODE = F0 HEX

= 3V; CODE = 00

= 3.0V

100

120

140

160

180

200

0 1.00.5 1.5 2.0 2.5 3.0

SUPPLY CURRENT vs.

REFERENCE VOLTAGE

MAX5102 toc04

REFERENCE VOLTAGE (V)

SUPPLY CURRENT (µA)

1 DAC AT CODE 00 OR F0

1 DAC AT CODE 00 (R

= ∞)

CODE = F0 HEX

CODE = 00 HEX

= 3.0V

120

100

140

180

160

200

0 1.0 1.5 2.00.5 2.5 3.0 3.5 4.5.4.0 5.0

SUPPLY CURRENT vs.

REFERENCE VOLTAGE

MAX5102 toc05

REFERENCE VOLTAGE (V)

SUPPLY CURRENT (µA)

= 5.0V

1 DAC AT CODE 00 OR F0

1 DAC AT CODE 00. (R

= ∞)

CODE = F0 HEX

CODE = 00 HEX

-90

-70

-80

-40

-50

-60

-10

-20

-30

0 1.00.5 1.5 2.0 2.5

MAX5102 toc06

REFERENCE AMPLITUDE (V

p-p

)

THD + NOISE (dB)

DAC CODE = FF HEX

REF

= SINE WAVE CENTERED AT 1.5V

80kHz FILTER

20kHz REF SIGNAL

10kHz REF SIGNAL

1kHz REF SIGNAL

TOTAL HARMONIC DISTORTION

PLUS NOISE AT DAC OUTPUT

vs. REFERENCE AMPLITUDE

ADDRESS VALID

DATA VALID

DS-

DH-

AH-

ADDRESS

DATA

Figure 1. Timing Diagram

1 2 3 4 5 6 7 8

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