Datasheet

MAX1084/MAX1085
400ksps/300ksps, Single-Supply, Low-Power,
Serial 10-Bit ADCs with Internal Reference
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ELECTRICAL CHARACTERISTICS—MAX1084 (continued)
(V
DD
= +4.5V to +5.5V, f
SCLK
= 6.4MHz, 50% duty cycle, 16 clocks/conversion cycle (400ksps), 4.7µF capacitor at REF, T
A
= T
MIN
to
T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.)
CONDITIONS UNITSMIN TYP MAXSYMBOLPARAMETER
V
CS
= 5V
V
CS
= 5V
I
SOURCE
= 1mA
I
SINK
= 5mA
V
IN
= 0V or V
DD
0 to 1.0mA output load
T
A
= +25°C
V4.5 5.5V
DD
Positive Supply Voltage (Note 6)
pF15C
OUT
Three-State Output Capacitance
µA±10I
L
Three-State Leakage Current
V4V
OH
Output Voltage High
V0.4V
OL
Output Voltage Low
pF15C
IN
Input Capacitance
µA±1I
IN
Input Leakage
V0.2V
HYST
Input Hysteresis
V0.8V
INL
Input Low Voltage
V3.0V
INH
Input High Voltage
µF4.7 10Capacitive Bypass at REF
mV/mA0.1 2.0Load Regulation (Note 5)
V2.48 2.50 2.52V
REF
REF Output Voltage
mA30REF Short-Circuit Current
ppm/°C±15TC V
REF
REF Output Tempco
V
DD
= 5V ±10%, midscale input
SCLK = V
DD
, SHDN = GND
V
DD
= 5.5V
mV±0.5 ±2.0PSRPower-Supply Rejection
µA210I
SHDN
Shutdown Supply Current
mA2.5 4.0I
DD
Positive Supply Current (Note 7)
ELECTRICAL CHARACTERISTICS—MAX1085
(V
DD
= +2.7V to +3.6V, f
SCLK
= 4.8MHz, 50% duty cycle, 16 clocks/conversion cycle (300ksps), 4.7µF capacitor at REF, T
A
= T
MIN
to
T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.)
MAX1085A
MAX1085B
No missing codes over temperature
CONDITIONS
LSB
±0.5
INLRelative Accuracy (Note 2)
Bits
10
Resolution
ppm/°C
±1.6
Gain-Error Temperature
Coefficient
LSB
±3.0
Gain Error (Note 3)
±1.0
LSB
±1.0
DNLDifferential Nonlinearity
LSB
±3.0
Offset Error
UNITSMIN TYP MAXSYMBOLPARAMETER
DC ACCURACY (Note 1)
INTERNAL REFERENCE
DIGITAL INPUTS (SCLK, CS, SHDN)
DIGITAL OUTPUT (DOUT)
POWER SUPPLY