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| DS4830_13 Datasheet, PDF (4/30 Pages) Maxim Integrated Products – Optical Microcontroller | |||
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DS4830
Optical Microcontroller
DAC DC Electrical Characteristics
(VDD = 2.97V to 3.63V, TA = -40NC to +85NC, unless otherwise noted. Typical values are at VDD = 3.3V, TA = +25NC.)
PARAMETER
DAC Resolution
DAC Internal Reference Accuracy
DAC Internal Reference Power-Up
Speed
SYMBOL
DACR
DACREFACC
CONDITIONS
2.5V internal reference
tDACPUP 99% settled
MIN
12
-1.25
TYP MAX
+1.25
10
Reference Input Full-Scale Range
(REFINA, REFINB)
REFFS
1
2.5
DAC Operating Current
IDACS
Per channel
See the DC Electrical
Characteristics
DAC Integral Nonlinearity
DACINL 12-bit at 2.5V reference
12
12-bit at 2.5V reference,
DAC Differential Nonlinearity
DACDNL guaranteed by design, not
1
production tested
DAC Offset
VOFFSET-DAC At code â0â
0
DAC Source Load Regulation
IDAC-SOURCE 0 to full-scale output
DAC Sink Capability and Sink Load
Regulation
RDAC-SINK
IDAC-SINK
0 to 0.5V output, limited by output
buffer impedance
0.5V to full-scale output
DAC Settling Time
tDAC
Output load capacitance between
33pF and 270pF, from 10% to 90%
18
8.6
500
11.5
10
UNITS
Bits
%
Fs
V
LSB
LSB
mV
mV/mA
I
mV/mA
Fs
Fast Comparator/Quick trips DC Electrical Characteristics
(VDD = 2.97V to 3.63V, TA = -40NC to +85NC, unless otherwise noted. Typical values are at VDD = 3.3V, TA = +25NC.)
PARAMETER
Fast Comparator Resolution
Fast Comparator Internal Reference
Accuracy
Fast Comparator Operating Current
Fast Comparator Full Scale
Fast Comparator Integral
Nonlinearity
SYMBOL
FCR
FCREFACC
CONDITIONS
IFASTCOMP
VFS-COMP
INL
Differential mode, 2.2nF capacitor
at input, tested at worst-case
positions
MIN
TYP MAX
8
-1.25
+1.25
See the DC Electrical
Characteristics
2.38 2.42 2.48
±2
Fast Comparator Differential
Nonlinearity
Fast Comparator Offset
Fast Comparator Input Resistance
Fast Comparator Input Capacitance
Fast Comparator Sample Rate
DNL
Differential mode, 2.2nF capacitor
at input, guaranteed by design
VOFFSET-COMP
RIN-COMP
CIN-COMP
fCOMP
(Note 6)
1
2
15
4
625
UNITS
Bits
%
V
LSB
LSB
LSB
MI
pF
ksps
Maxim Integrated
ââ4
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