Rainbow Electronics MAX11043 - Manual (Page 5)

MAX11043
4-Channel, 16-Bit, Simultaneous-Sampling ADCs
with PGA, Filter, and 8-/12-Bit Dual-Stage DAC
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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