Electrical characteristics (continued) – Rainbow Electronics MAX11043 User Manual
Page 6
MAX11043
4-Channel, 16-Bit, Simultaneous-Sampling ADCs
with PGA, Filter, and 8-/12-Bit Dual-Stage DAC
6
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
((V
AVDD
= +3.0V to +3.6V, V
DVDD
= +3.0V, C
DVREG
= 10µF, V
AGND
= V
DGND
= 0, common-mode input voltage = AVDD/2, V
REFBP
=
V
REFA
= V
REFB
= V
REFC
= V
REFD
= +2.5V (external reference), V
REFDAC
= V
REFDACH
= +1.25V (external reference), V
REFDACL
= 0,
C
REFBP
= C
REFA
= C
REFB
= C
REFC
= C
REFD
= C
REFDAC
= 1µF, f
SCLK
= 38.4MHz, f
EXCLK
= 38.4MHz (external clock applied to
OSCIN), clock divider set to 4, SHDN = DACSTEP = UP/DWN = DGND, CONVRUN = DVDD, all analog inputs driven directly through
a series 150Ω/330pF anti-alias filter, PGA gain = 1. Default filters and gain settings. T
A
= T
MIN
to T
MAX
, unless otherwise noted (Note 1).
Typical values are at T
A
= +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
PGA disabled
60
80
Analog Supply Current
I
AVDD
All channels selected
PGA enabled
120
140
mA
Digital Supply Current
I
DVDD
26
40
mA
I
AVDD
5
Shutdown Current
I
DVDD
5
mA
STATIC ACCURACY—FINE DAC (C
L
= 200pF, R
L
= 10k
Ω)
Resolution
12
Bits
Integral Nonlinearity
INL
-5
+5
LSB
Differential Nonlinearity
DNL
Guaranteed monotonic
-1
+1
LSB
Offset Error
-70
+70
mV
Offset-Error Temperature
Coefficient
±50
µV/°C
Gain Error
-2
0
%
Gain-Error Temperature
Coefficient
±20
ppm of
FS/°C
DYNAMIC PERFORMANCE—FINE DAC (C
L
= 200pF, R
L
= 10k
Ω)
Output Noise
f = 0.1Hz to 1MHz
200
µV
RMS
DAC Glitch Impulse
Major carry transition
12
nV
•s
25% to 75% FS
3
Voltage-Output Settling Time
1% FS
1.5
µs
Voltage-Output Slew Rate
0.6
V/µs
STATIC ACCURACY—REFDACH AND REFDACL
Resolution
8
Bits
Integral Nonlinearity
INL
-0.5
+0.5
LSB
Differential Nonlinearity
DNL
-0.2
+0.2
LSB
Offset Error
-30
+30
mV
Offset-Error Temperature
Coefficient
±50
µV/°C
Gain Error
-5
+5
LSB
Gain-Error Temperature
Coefficient
±20
ppm of
FS/°C
FLASH MEMORY
Programming Endurance
10,000
Cycles
Data Retention
T
A
= +85°C
15
Years