Electrical characteristics (continued) – Rainbow Electronics MAX11043 User Manual
Page 5
MAX11043
4-Channel, 16-Bit, Simultaneous-Sampling ADCs
with PGA, Filter, and 8-/12-Bit Dual-Stage DAC
_______________________________________________________________________________________
5
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
REFDAC_ Input Voltage Range
V
REFDAC_
0
1.4
V
Input Resistance
150
k
Ω
INTERNAL REFERENCE
Reference Voltage
V
REFBP
2.45
2.5
2.55
V
Reference Temperature
Coefficient
100
ppm/
°C
CRYSTAL OSCILLATOR (Max ESR 100
Ω, 22pF Load Capacitors to DGND)
Maximum Crystal Operating
Frequency
Epson Electronics MA-505 (16MHz)
16
MHz
External Clock Input Frequency
Range
External clock applied to OSCIN
4
40
MHz
Stability
Excluding crystal
25
ppm
Startup Time
Epson Electronics MA-505 (16MHz)
10
ms
OSCIN Input Low Voltage
When driven with external clock source
0.3 x
DVDD
V
OSCIN Input High Voltage
When driven with external clock source
0.7 x
DVDD
V
OSCIN Leakage Current
-5
+5
µA
DIGITAL INPUTS
Input High Voltage
V
IH
0.7 x
DVDD
V
Input Low Voltage
V
IL
0.3 x
DVDD
V
Input Hysterisis
15
mV
Input Leakage Current
I
IN
V
IN
= 0 or DVDD
-1
+1
µA
Input Capacitance
C
IN
15
pF
DIGITAL OUTPUTS
Output-Voltage High
V
OH
I
SOURCE
= 0.8mA
DVDD
-
0.6
V
Output-Voltage Low
V
OL
I
SINK
= 1.6mA
0.4
V
Three-State Leakage Current
DOUT only
-1
+1
µA
Three-State Output Capacitance
DOUT only
15
pF
VOLTAGE REGULATOR
Regulated Digital Supply Voltage
DV
REG
Internal use only
2.5
V
POWER REQUIREMENTS
Analog Supply Voltage
3.0
3.6
V
Digital Supply Voltage
3.0
3.6
V