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MAX1284-MAX1285 Datasheet(PDF) 3 Page - Maxim Integrated Products

Part No. MAX1284-MAX1285
Description  400ksps/300ksps, Single-Supply, Low-Power, Serial 12-Bit ADCs with Internal Reference
Download  15 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX1284-MAX1285 Datasheet(HTML) 3 Page - Maxim Integrated Products

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400ksps/300ksps, Single-Supply, Low-Power,
Serial 12-Bit ADCs with Internal Reference
________________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS—MAX1284 (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.)
ELECTRICAL CHARACTERISTICS—MAX1285
(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
INTERNAL REFERENCE
REF Output Voltage
VREF
2.48
2.50
2.52
V
REF Short-Circuit Current
TA = +25°C30
mA
REF Output Tempco
TC VREF
±15
ppm/°C
Load Regulation (Note 5)
0 to 1mA output load
0.1
2.0
mV/mA
Capacitive Bypass at REF
4.7
10
µF
DIGITAL INPUTS (SCLK, CS, SHDN)
Input High Voltage
VINH
3.0
V
Input Low Voltage
VINL
0.8
V
Input Hysteresis
VHYST
0.2
V
Input Leakage
IIN
VIN = 0 or VDD
±1
µA
Input Capacitance
CIN
15
pF
DIGITAL OUTPUT (DOUT)
Output Voltage Low
VOL
ISINK = 5mA
0.4
V
Output Voltage High
VOH
ISOURCE = 1mA
4
V
Three-State Leakage Current
IL
CS = +5V
±10
µA
Three-State Output Capacitance
COUT
CS = +5V
15
pF
POWER SUPPLY
Positive Supply Voltage (Note 6)
VDD
4.5
5.5
V
Positive Supply Current (Note 7)
IDD
VDD = +5.5V
2.5
4.0
mA
Shutdown Supply Current
ISHDN
SCLK = VDD, SHDN = GND
2
10
µA
Power-Supply Rejection
PSR
VDD = +5V ±10%, midscale input
±0.5
±2.0
mV
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DC ACCURACY (Note 1)
Resolution
12
Bits
Relative Accuracy (Note 2)
INL
±1.0
LSB
Differential Nonlinearity
DNL
No missing codes over temperature
±1.0
LSB
Offset Error
±6.0
LSB
Gain Error (Note 3)
±6.0
LSB
Gain Error Temperature
Coefficient
±1.6
ppm/°C


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