MAX1455 Maxim Integrated Products, MAX1455 Datasheet - Page 3

• Manufacturer Part Number: MAX1455
• Description: Low-Cost Automotive Sensor Signal Conditioner
• Manufacturer: Maxim Integrated Products

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ELECTRICAL CHARACTERISTICS (continued)
(V
Load Current Sink
DC Output Impedance
Offset DAC Output Ratio
Offset TC DAC Output Ratio
Step Response
Output Capacitive Load
Output Noise
BRIDGE DRIVE
Bridge Current
Current Mirror Ratio
Minimum FSODAC Code
DIGITAL-TO-ANALOG CONVERTERS
DAC Resolution
ODAC Bit Weight
OTCDAC Bit Weight
FSODAC Bit Weight
FSOTCDAC Bit Weight
COARSE-OFFSET DAC
IRODAC Resolution
IRODAC Bit Weight
INTERNAL RESISTORS
Current-Source Reference
Ful l - S p an Outp ut ( FS O) Tr i m
Resi stor
Resi stor Tem p er atur e C oeffi ci ent
Minimum Resistance Value
Maximum Resistance Value
Resistor Matching
AUXILIARY OP AMP
Open-Loop Gain
Input Common-Mode Range
Output Swing
DD
= +5V, V
PARAMETER
SS
= 0, T
_______________________________________________________________________________________
A
= +25°C, unless otherwise noted.)
Low-Cost Automotive Sensor Signal
SYMBOL
∆R
R
I
V
BDR
ISRC
CM
STC
V
Clip[1:0] = 00
∆V
∆V
0% to 63% of final value
DC to 1kHz (gain = minimum, source
impedance = 5kΩ)
V
Recommended minimum value
∆ V
+ 5.0V ( N ote 4)
∆V
2.5V ( N ote 4)
∆ V
+ 5.0V ( N ote 4)
∆V
2.5V ( N ote 4)
Excluding sign bit
∆V
DAC reference = V
Applies to R
Applies to R
Applies to R
R
No load, T
OUT
BDR
ISRC
OU T
OU T
OUT
OUT
OU T
OU T
OUT
= +0.5V to +4.5V, T
≤ 3.75V
to ∆R
/∆ODAC
/∆OTCDAC
/ ∆C OD E , D AC r efer ence = V
/ ∆C OD E , D AC r efer ence = V
/∆C OD E , input referred,
/ ∆ C OD E , D AC r efer ence = V
/ ∆ C OD E , D AC r efer ence = V
A
STC
ISRC
ISRC
ISRC
= T
CONDITIONS
MIN
and ∆R
and ∆R
and ∆R
DD
to T
= +5.0V (Note 4)
MAX
STC
STC
STC
A
= T
MIN
BD R
BD R
to T
D D
D D
MAX
=
=
=
=
,
V
0.01
MIN
V
0.1
SS
SS
Conditioner
+
4000
1333
TYP
300
153
153
1.0
1.0
2.5
0.5
12
16
76
76
75
75
60
90
90
1
3
9
1
V
MAX
1000
V
0.01
DD
DD
2
2
-
mV
ppm/°C
m A/m A
UNITS
m V /Bi t
µV/Bit
µV/Bit
µV/Bit
µV/Bit
Hex
Bits
Bits
mA
V/V
V/V
mA
kΩ
kΩ
kΩ
kΩ
dB
nF
µs
%
Ω
RMS
V
V
3