Rainbow-electronics MAX5511 Manual do Utilizador descarregar pdf (Página 3)

MAX5510/MAX5511

+1.8V to +5.5V, Ultra-Low-Power, 8-Bit,

Voltage-Output DACs

_______________________________________________________________________________________ 3

ELECTRICAL CHARACTERISTICS (continued)

(V

DD

= +1.8V to +5.5V, OUT unloaded, T

A

= T

MIN

to T

MAX

, unless otherwise noted. Typical values are at T

A

= +25°C.)

PARAMETER

SYMBOL

CONDITIONS

MIN TYP MAX

UNITS

Power-Supply Rejection Ratio PSRR 1.8V ≤ V

DD

≤ 5.5V 85 dB

REFERENCE INPUT (MAX5510)

Reference-Input Voltage Range V

REFIN

0

V

DD

V

Normal operation 4.1 MΩ

Reference-Input Impedance R

REFIN

In shutdown 2.5 GΩ

REFERENCE OUTPUT (MAX5511)

No external load, V

DD

= 1.8V

1.197 1.214 1.231

No external load, V

DD

= 2.5V

1.913 1.940 1.967

No external load, V

DD

= 3V

2.391 2.425 2.459

Initial Accuracy

V

REFOUT

No external load, V

DD

= 5V

3.828 3.885 3.941

V

Output-Voltage Temperature

Coefficient

V

TEMPCO

T

A

= -40°C to +85°C (Note 4) 12 30

ppm/°C

Line Regulation V

REFOUT

< V

DD

- 200mV (Note 5) 2 200 µV/V

0 ≤ I

REFOUT

≤ 1mA, sourcing, V

DD

= 1.8V,

V

REF

= 1.2V

0.3 2

0 ≤ I

REFOUT

≤ 8mA, sourcing, V

DD

= 5V,

V

REF

= 3.9V

0.3 2

Load Regulation

-150µA ≤ I

REFOUT

≤ 0, sinking 0.2

µV/µA

0.1Hz to 10Hz, V

REFOUT

= 3.9V

150

10Hz to 10kHz, V

REFOUT

= 3.9V

600

0.1Hz to 10Hz, V

REFOUT

= 1.2V 50

Output Noise Voltage

10Hz to 10kHz, V

REFOUT

= 1.2V

450

µV

P-P

V

DD

= 5V 30

Short-Circuit Current (Note 6)

V

DD

= 1.8V 14

mA

Capacitive Load Stability Range

(Note 7)

0 to 10

nF

Thermal Hysteresis (Note 8)

200

ppm

REFOUT unloaded, V

DD

= 5V 5.4

Reference Power-Up Time (from

Shutdown)

REFOUT unloaded, V

DD

= 1.8V 4.4

ms

Long-Term Stability

200

ppm/

1khrs

DAC OUTPUT (OUT)

Capacitive Driving Capability C

L

1000

pF

V

DD

= 5V, V

OUT

set to full scale, OUT

shorted to GND, source current

65

V

DD

= 5V, V

OUT

set to 0V, OUT shorted to

V

DD

, sink current

65

V

DD

= 1.8V, V

OUT

set to full scale, OUT

shorted to GND, source current

14

Short-Circuit Current (Note 6)

V

DD

= 1.8V, V

OUT

set to 0V, OUT shorted to

V

DD

, sink current

14

mA

1 2 3 4 5 6 7 8 ... 17 18

MAX5510/MAX5511 1
Voltage-Output DACs 1

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