MP7542 查看數據表（PDF） - Exar Corporation

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MP7542

5 V CMOS 4-Bit Input, 12-Bit Digital-to-Analog Converter

Exar Corporation 

MP7542

ELECTRICAL CHARACTERISTICS

(VDD = + 5 V, VREF = +10 V unless otherwise noted)

Parameter

STATIC PERFORMANCE1

25°C

Symbol Min Typ Max

Resolution (All Grades)

N

12

Integral Non-Linearity

INL

(Relative Accuracy)

J, A, S

+1

K, B, T

+1/2

Differential Non-Linearity

DNL

J, A, S

+2

K, B, T

+1

Gain Error

J, A, S, K, B, T

Gain Temperature Coefficient2

Power Supply Rejection Ratio

GE

TCGE

PSRR

+12.3

+50

Output Leakage Current

DYNAMIC PERFORMANCE

Current Settling Time2

AC Feedthrough at IOUT12

REFERENCE INPUT

Input Resistance

DIGITAL INPUTS3

Logical “1” Voltage

Logical “0” Voltage

Input Leakage Current

Input Capacitance2

ANALOG OUTPUTS

Output Capacitance2

POWER SUPPLY

Supply Voltage5

Supply Current

IOUT

+10

tS

2.0

FT

2.5

RIN

5

10

20

VIH

3.0

VIL

0.8

ILKG

+1

CIN

8

COUT1

COUT1

COUT2

COUT2

VDD

IDD

+4.5

260

100

50

210

+5.5

2.5

Tmin to Tmax

Min Max Units

Test Conditions/Comments

12

Bits

LSB

+1

+1/2

LSB

+2

+1

Best Fit Straight Line Spec.

(Max INL – Min INL) / 2

Monotonicity

11 Bits Guaranteed

12 Bits Guaranteed

+14.5 LSB

Using Internal RFB

+2 ppm/°C ∆Gain/∆Temperature

+100 ppm/%

+200 nA

|∆Gain/∆VDD| ∆VDD = + 5%

2.0 µs

2.5 mV p-p

RL=100Ω, CL=13pF

Full Scale Change to 1/2 LSB

VREF = 10kHz, 20 Vp-p, sinewave

5

20 kΩ

3.0

V

0.8 V

+1 µA

8 pF

260 pF

100 pF

50 pF

210 pF

DAC Inputs all 1’s

DAC Inputs all 0’s

DAC Inputs all 1’s

DAC Inputs all 0’s

+4.5 +5.5 V

2.5 mA

All digital inputs = 0 V or all = 5 V

Rev. 2.00

3

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