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| MAX1084 Datasheet, PDF (3/16 Pages) Maxim Integrated Products – 400ksps/300ksps, Single-Supply, Low-Power, Serial 10-Bit ADCs with Internal Reference | |||
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400ksps/300ksps, Single-Supply, Low-Power,
Serial 10-Bit ADCs with Internal Reference
ELECTRICAL CHARACTERISTICSâMAX1084 (continued)
(VDD = +4.5V to +5.5V, fSCLK = 6.4MHz, 50% duty cycle, 16 clocks/conversion cycle (400ksps), 4.7µF capacitor at REF, TA = TMIN to
TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
INTERNAL REFERENCE
REF Output Voltage
REF Short-Circuit Current
VREF TA = +25°C
2.48 2.50 2.52
V
30
mA
REF Output Tempco
Load Regulation (Note 5)
TC VREF
0 to 1.0mA output load
±15
ppm/°C
0.1
2.0 mV/mA
Capacitive Bypass at REF
DIGITAL INPUTS (SCLK, CS, SHDN)
4.7
10
µF
Input High Voltage
Input Low Voltage
Input Hysteresis
Input Leakage
Input Capacitance
DIGITAL OUTPUT (DOUT)
VINH
VINL
VHYST
IIN
CIN
VIN = 0 or VDD
3.0
V
0.8
V
0.2
V
±1
µA
15
pF
Output Voltage Low
Output Voltage High
Three-State Leakage Current
Three-State Output Capacitance
POWER SUPPLY
VOL
VOH
IL
COUT
ISINK = 5mA
ISOURCE = 1mA
CS = 5V
CS = 5V
0.4
V
4
V
±10
µA
15
pF
Positive Supply Voltage (Note 6)
Positive Supply Current (Note 7)
Shutdown Supply Current
Power-Supply Rejection
VDD
IDD
ISHDN
PSR
VDD = 5.5V
SCLK = VDD, SHDN = GND
VDD = 5V ±10%, midscale input
4.5
5.5
V
2.5
4.0
mA
2
10
µA
±0.5 ±2.0 mV
ELECTRICAL CHARACTERISTICSâMAX1085
(VDD = +2.7V to +3.6V, fSCLK = 4.8MHz, 50% duty cycle, 16 clocks/conversion cycle (300ksps), 4.7µF capacitor at REF, TA = TMIN to
TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
DC ACCURACY (Note 1)
Resolution
10
Bits
Relative Accuracy (Note 2)
MAX1085A
INL
MAX1085B
±0.5
LSB
±1.0
Differential Nonlinearity
DNL No missing codes over temperature
±1.0 LSB
Offset Error
±3.0 LSB
Gain Error (Note 3)
±3.0 LSB
Gain-Error Temperature
Coefficient
±1.6
ppm/°C
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