MAX1065 Datasheet, PDF (3/14 Pages) Maxim Integrated Products – Low-Power, 14-Bit Analog-to-Digital Converters with Parallel Interface

Low-Power, 14-Bit Analog-to-Digital Converters
with Parallel Interface
ELECTRICAL CHARACTERISTICS (continued)
(AV_DD = DV_DD = 5V, external reference = 4.096V, C_REF = 1µF, C_REFADJ = 0.1µF, 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
INTERNAL REFERENCE
REF Output Voltage
REF Output Tempco
REF Short-Circuit Current
Capacitive Bypass at REFADJ
Capacitive Bypass at REF
REFADJ Input Leakage Current
EXTERNAL REFERENCE
V_REF
TC_REF
I_REFSC
C_REFADJ
C_REF
I_REFADJ
4.056
0.1
1
4.096
±35
±10
20
4.136
V
ppm/°C
mA
µF
µF
µA
REFADJ Buffer Disable
Threshold
To power-down the internal reference
AV_DD -
0.4
AV_DD -
0.1
V
REF Input Voltage Range
Internal reference disabled
REF Input Current
I_REF
V_REF = 4.096V, f_SAMPLE = 165ksps
Shutdown mode
DIGITAL INPUTS/OUTPUTS (CS, R/C, EOC, D0–D13, RESET, HBEN)
3.8
AV_DD
V
62
120
µA
±0.1
Input High Voltage
Input Low Voltage
Input Leakage Current
Input Hysteresis
Input Capacitance
Output High Voltage
Output Low Voltage
Three-State Leakage Current
V_IH
V_IL
I_IN
V_HYST
C_IN
V_OH
V_OL
I_OZ
V_IH = 0 or DV_DD
I_SOURCE = 0.5mA,
DV_DD = 2.7V to 5.25V,
AV_DD = 5.25V
I_SINK = 1.6mA,
DV_DD = 2.7V to 5.25V,
AV_DD = 5.25V
D0–D13
0.7 x
DV_DD
V
0.3 x
DV_DD
±0.1
±1
µA
0.1
V
15
pF
D_VDD -
0.4
V
0.4
V
±0.1
±10
µA
Three-State Output
Capacitance
C_OZ
15
pF
POWER REQUIREMENTS
Analog Supply Voltage
Digital Supply Voltage
AV_DD
DV_DD
165ksps
4.75
5.25
V
2.7
AV_DD
V
2.7
3.2
100ksps
2.0
Internal reference
10ksps
1.0
Analog Supply Current
I_AVDD
1ksps
165ksps
1.0
mA
1.8
2.3
100ksps
1.1
External reference
10ksps
0.1
1ksps
0.01
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