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| MAX1037EKA-T Datasheet, PDF (3/23 Pages) Maxim Integrated Products – 2.7V to 3.6V and 4.5V to 5.5V, Low-Power 4-/12-Channel 2-Wire Serial 8-Bit ADCs | |||
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2.7V to 3.6V and 4.5V to 5.5V, Low-Power,
4-/12-Channel 2-Wire Serial 8-Bit ADCs
ELECTRICAL CHARACTERISTICS (continued)
(VDD = 2.7V to 3.6V (MAX1037/MAX1039), VDD = 4.5V to 5.5V (MAX1036/MAX1038). External reference, VREF = 2.048V
(MAX1037/MAX1039), VREF = 4.096V (MAX1036/MAX1038). External clock, fSCL = 1.7MHz, TA = TMIN to TMAX, unless otherwise
noted. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Internal clock, SCAN[1:0] = 01
76
(MAX1036/MAX1037)
Throughput Rate
fSAMPLE Internal clock, SCAN[1:0] = 00
CS[3:0] = 1011 (MAX1038/MAX1039)
ksps
77
Track/Hold Acquisition Time
External clock
188
588
ns
Internal Clock Frequency
Aperture Delay
ANALOG INPUT (AIN0âAIN11)
External clock, fast mode
tAD
External clock, high-speed mode
2.25
MHz
45
ns
30
Input Voltage Range, Single
Ended and Differential (Note 6)
Unipolar
Bipolar
0
VREF
V
±VREF / 2
Input Multiplexer Leakage Current
Input Capacitance
CIN
INTERNAL REFERENCE (Note 7)
Reference Voltage
VREF
On/off-leakage current, VAIN_= 0 or VDD,
no clock, fSCL = 0
TA = +25°C
MAX1037/MAX1039
MAX1036/MAX1038
±0.01 ±1
µA
18
pF
1.925 2.048 2.171
V
3.850 4.096 4.342
Reference Temperature
Coefficient
TCREF
120
ppm/°C
Reference Short-Circuit Current
Reference Source Impedance
EXTERNAL REFERENCE
(Note 8)
10
mA
675
Ω
Reference Input Voltage Range
VREF
REF Input Current
IREF
DIGITAL INPUTS/OUTPUTS (SCL, SDA)
Input High Voltage
VIH
Input Low Voltage
VIL
Input Hysteresis
VHYST
Input Current
IIN
Input Capacitance
CIN
Output Low Voltage
VOL
(Note 9)
fSAMPLE = 188ksps
VIN = 0 to VDD
ISINK = 3mA
1.0
VDD
V
14
30
µA
0.7 x VDD
V
0.3 x VDD
V
0.1 x VDD
V
±10
µA
15
pF
0.4
V
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