Rainbow-electronics MAX5547 Manual de usuario descargar pdf (Pagina 2)

MAX5547

Dual, 10-Bit, Current-Sink Output DAC

2 _______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

to GND .............................................................-0.3V to +6V

OUTA, OUTB, REF to GND ........................-0.3V to (V

+ 0.3V)

SCLK, DIN,

CS to GND ............................................-0.3V to +6V

Continuous Power Dissipation (T

= +70°C)

8-Pin TDFN (derate 18.2mW/°C above +70°C) .......1454.5mW

Operating Temperature Range ...........................-40°C to +85°C

Junction Temperature .....................................................+150°C

Storage Temperature Range ............................-65°C to +150°C

Lead Temperature (soldering, 10s) ................................+300°C

ELECTRICAL CHARACTERISTICS

= +2.7 to +5.25V, GND = 0, external reference = +2.5V, output voltage = +2.0V, T

= -40°C to +85°C. Typical values are at

= +3.0V, and T

= +25°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN TYP MAX

UNITS

STATIC PERFORMANCE—ANALOG SECTION

Resolution 10 Bits

OUT

_ = 1.2mA ±4

Integral Nonlinearity (Note 2) INL

OUT

_ = 3.6mA ±6

LSB

Differential Nonlinearity DNL Guaranteed monotonic

±0.75

LSB

Offset Error OE Code = 030h ±4 LSB

Offset Temperature Coefficent

0.05

LSB/°C

OUT

= 1.2mA

±0.1

±3

Gain Error GE

Measured from code

030h to 3FFh

OUT

= 3.6mA

±0.1 ±5.5

OUT_

= 1.2mA 15

Gain Temperature Coefficient

OUT_

= 3.6mA 25

ppm/°C

Line Regulation V

= +2.7V to +5.25V 0.8

LSB/V

Output Crosstalk

OUTA = midscale, OUTB switching from

030h to 3FFh

54 dB

REFERENCE

Internal-Reference Voltage V

REF

= +25°C

2.48

2.5

2.52

Internal-Reference Temperature

Coefficient

(Note 3) 4 35

ppm/°C

Internal-Reference Load

Regulation

0µA < I

REF

< +300µA 1 3.5 Ω

Internal-Reference Power-Up

Time

REF

= 1µF, to 0.05%

0.55

Internal-Reference Sink Current 50 µA

Internal-Reference Source

Current

300

µA

REF Capacitive Load (Note 3) 0.1

10.0

µF

Reference Line Regulation V

= +2.7V to +5.25V 25

µV/V

f = 0.1Hz to 10Hz 10

Internal-Reference Noise

f = 10Hz to 10kHz 27

µV

RMS

External-Reference Range V

REF

2.45 2.55

1 2 3 4 5 6 7 ... 11 12

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Rainbow-electronics MAX5547 Manual de usuario Pagina 2

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