MAX1452AAE(2001) Ver la hoja de datos (PDF) - Maxim Integrated

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MAX1452AAE
(Rev.:2001)

Low-Cost Precision Sensor Signal Conditioner

Maxim Integrated 

Low-Cost Precision Sensor

Signal Conditioner

ELECTRICAL CHARACTERISTICS (continued)

(VDD = +5V, VSS = 0, TA = +25°C, unless otherwise noted.)

PARAMETER

SYMBOL

CONDITIONS

Output Offset TC Ratio

∆VOUT/

∆Offset TC

Step Response and IC

(63% Final Value)

Maximum Capacitive Load

Output Noise

BRIDGE DRIVE

Bridge Current

IBDR

Current Mirror Ratio

AA

VSPAN Range (Span Code)

DIGITAL–TO–ANALOG CONVERTERS

DAC Resolution

DC to 1kHz (gain = minimum, source

impedance = 5kΩ VDDF filter)

RL = 1.7kΩ

RISOURCE = internal

TA = TMIN to TMAX

ODAC Bit Weight

∆VOUT/

∆Code

DAC reference = VDD = +5.0V

OTCDAC Bit Weight

∆VOUT/

∆Code

DAC reference = VBDR = +2.5V

FSODAC Bit Weight

∆VOUT/

∆Code

DAC reference = VDD = +5.0V

FSOTCDAC Bit Weight

∆VOUT/

∆Code

DAC reference = VBDR = +2.5V

COARSE OFFSET DAC

IRODAC Resolution

Including sign

IRODAC Bit Weight

FSOTC BUFFER

∆VOUT/

∆Code

Input referred, DAC reference =

VDD = +5.0V (Note 6)

Minimum Output Voltage Swing

No load

Maximum Output Voltage Swing

Current Drive

INTERNAL RESISTORS

Current-Source Reference

Resistor

Current-Source Reference

Resistor Temperature Coefficient

FSOTC Resistor

FSOTC Resistor Temperature

Coefficient

No load

VFSOTC = +2.5V

RISRC

∆RISRC

RFTC

∆RFTC

MIN TYP MAX UNITS

0.9

1

1.2

V/V

150

µs

1

µF

0.5

mVRMS

0.1

0.5

2

mA

10

12

14

A/A

4000

C000

hex

16

bits

76

µV/bit

38

µV/bit

76

µV/bit

38

µV/bit

4

bits

9

mV/bit

VDD - 1.0

-40

VSS +

V

0.1

V

+40

µA

75

1300

75

1300

kΩ

ppm/°C

kΩ

ppm/°C

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