MP7226KP 查看數據表（PDF） - Exar Corporation

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MP7226KP

BiCMOS Fixed, Quad, Voltage Output, Single or Dual Supply 8-Bit Digital-to-Analog Converter

Exar Corporation 

MP7226

ELECTRICAL CHARACTERISTICS

Single or Dual Supply Operation (VDD = +10.8 V to 16.5 V, VSS = 0 V or –5 V 10%, AGND = 0 V,

DGND = 0 V, VREF = +2 V to +10 V, RL = 2kΩ, CL = 100pF unless otherwise noted)

Parameter

25°C

Tmin to Tmax

Symbol Min Typ Max Min Max Units

Test Conditions/Comments

STATIC PERFORMANCE

Resolution (All Grades)

N

8

8

Bits

Integral Non-Linearity

INL

(Relative Accuracy)

K

L

LSB

1

1

End Point Linearity Spec

1/2

1/2

Differential Non-Linearity

K

L

DNL

1/2

1/2

LSB

3/4

3/4

All grades monotonic over full

temperature range.

Total Unadjusted Error2

K

L

LSB

VDD = 15 V 10%, VREF = +10 V

2

2

1

1

Full Scale Error3

K

L

1

1/2

LSB

1

1/2

VREF = +10 V typ. Tempco is

5 ppm/°C

Zero Code Error

K

L

20

15

mV

30

20

TA = 25°C typ. Tempco is

30µV/°C

Output Load Resistance

2

DYNAMIC PERFORMANCE4

2

kΩ

VOUT = +10 V

Voltage Output Slew Rate

Voltage Output Settling Time

Digital Feedthrough

Digital Crosstalk5

2

4

2

V/µs

4

5 µs

VREF = +10 V; Settling Time to

1/2 LSB

25

nVs

Code transition all 0s to all 1s

VREF = 0 V, WR = VDD

25

nVs

Code transition all 0s to all 1s

VREF = +10 V, WR = 0 V

REFERENCE INPUT

Reference Input Range1

Reference Input Resistance

Reference Input Capacitance4

AC Feedthrough

1

10

RIN

2

500

–70

1

10 V

2

kΩ

pF

dB

Limitation: VREF – VSS < 11 V

Min RIN at Code 14910

Occurs when all DACs are loaded

with all 1s

VREF = 10 kHz, 5 V p-p sinewave

DIGITAL INPUTS

Input High Voltage

Input Low Voltage

Input Leakage Current

Input Capacitance4

Input Coding

VINH

2.4

VINL

ILKG

2.4

V

0.8

0.8 V

1

1 µA

8

8 pF

VIN = 0 V or VDD

Binary

Rev. 2.00

3

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