Datasheet

(V
DD
= V
DDF
= +5V, V
SS
= 0V, T
A
= +25°C, unless otherwise noted.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Output-Voltage Low I
OUT
= 1mA sinking, T
A
= T
MIN
to T
MAX
0.100 0.20 V
Output-Voltage High I
OUT
= 1mA sourcing, T
A
= T
MIN
to T
MAX
4.75 4.87 V
Output Impedance at DC 0.1
Output Offset Ratio
ΔV
OUT
/
ΔOffset
0.90 1.05 1.20 V/V
Output Offset TC Ratio
ΔV
OUT
/
ΔOffset TC
0.9 1 1.2 V/V
Step Response and IC
(63% Final Value)
150 µs
Maximum Capacitive Load 1 µF
Output Noise
DC to 1kHz (gain = minimum, source
impedance = 5kΩ V
DDF
lter)
0.5 mV
RMS
BRIDGE DRIVE
Bridge Current I
BDR
R
L
= 1.7kΩ 0.1 0.5 2 mA
Current Mirror Ratio AA R
ISOURCE
= internal 10 12 14 A/A
V
SPAN
Range (Span Code) T
A
= T
MIN
to T
MAX
4000 C000 hex
DIGITAL-TO-ANALOG CONVERTERS
DAC Resolution 16 Bits
ODAC Bit Weight
ΔV
OUT
/
ΔCode
DAC reference = V
DD
= +5.0V 76 µV/bit
OTCDAC Bit Weight
ΔV
OUT
/
ΔCode
DAC reference = V
BDR
= +2.5V 38 µV/bit
FSODAC Bit Weight
ΔV
OUT
/
ΔCode
DAC reference = V
DD
= +5.0V 76 µV/bit
FSOTCDAC Bit Weight
ΔV
OUT
/
ΔCode
DAC reference = V
BDR
= +2.5V 38 µV/bit
COARSE OFFSET DAC
IRODAC Resolution Including sign 4 Bits
IRODAC Bit Weight
ΔV
OUT
/
ΔCode
Input referred, DAC reference =
V
DD
= +5.0V (Note 6)
9 mV/bit
FSOTC BUFFER
Minimum Output-Voltage Swing No load
V
SS
+ 0.1
V
Maximum Output-Voltage
Swing
No load V
DD
- 1.0 V
Current Drive V
FSOTC
= +2.5V -40 +40 µA
INTERNAL RESISTORS
Current-Source Reference
Resistor
R
ISRC
75 kΩ
MAX1452 Low-Cost Precision Sensor
Signal Conditioner
www.maximintegrated.com
Maxim Integrated
3
Electrical Characteristics (continued)