Rainbow Electronics MAX1189 - Manual (Page 3)

MAX1179/MAX1187/MAX1189
16-Bit, 135ksps, Single-Supply ADCs with
Bipolar Analog Input Range
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ELECTRICAL CHARACTERISTICS (continued)
(AV DD = DV DD = +5V ±5%, external reference = +4.096V, C REF = 10µF, C REFADJ = 0.1µF, V REFADJ = AV DD , T A = T MIN to T MAX ,
unless otherwise noted. Typical values are at T A = +25°C.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Normal operation -1.8 +0.4 MAX1179,
-5V
≤ V
AIN
≤ +5V
Shutdown mode -1.8 +1.8
MAX1187,
0
≤ V
AIN
≤ +10V
Normal/shutdown
mode
-0.1 +2.0
Normal operation -1.8 +1.2
Input Current I AIN
MAX1189,
-10V
≤ V
AIN
≤ +10V
Shutdown mode -1.8 +1.8
mA
MAX1179, V AIN = +5V, shutdown mode to
operating mode
1 1.4
Input Current Step at Power-Up I PU
MAX1189, V AIN = +10V, shutdown mode to
operating mode
0.5 0.7
mA
Input Capacitance C IN 10 pF
INTERNAL REFERENCE
REF Output Voltage V REF 4.056 4.096 4.136 V
REF Output Tempco ±35 ppm/°C
REF Short-Circuit Current I REF-(SC) ±10 mA
EXTERNAL REFERENCE
REF and REFADJ Input Voltage
Range
3.8 4.2 V
REFADJ Buffer Disable Threshold
AV DD -
0.4
AV DD -
0.1
V
Normal mode, f SAMPLE = 135ksps 60 100
REF Input Current I REF
Shutdown mode (Note 1) ±0.1 ±10
µA
REFADJ Input Current I REFADJ REFADJ = AV DD 16 µA
DIGITAL INPUTS/OUTPUTS
Output High Voltage V OH
I SOURCE = 0.5mA, DV DD = +2.7V to +5.25V,
AV DD = +5.25V
DV DD -
0.4
V
Output Low Voltage V OL
I SINK = 1.6mA, DV DD = +2.7V to +5.25V,
AV DD = +5.25V
0.4 V
Input High Voltage V IH
0.7 ×
DV DD
V
Input Low Voltage V IL
0.3 ×
DV DD
V
Input Leakage Current Digital input = DV DD or 0V -1 +1 µA
Input Hysteresis V HYST 0.2 V
Input Capacitance C IN 15 pF
Three-State Output Leakage I OZ ±10 µA
Three-State Output Capacitance C OZ 15 pF