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| MAX1136 Datasheet, PDF (3/22 Pages) Maxim Integrated Products – 2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial 10-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 10-Bit ADCs
ELECTRICAL CHARACTERISTICS (continued)
(VDD = 2.7V to 3.6V (MAX1137/MAX1139), VDD = 4.5V to 5.5V (MAX1136/MAX1138), VREF = 2.048V (MAX1137/MAX1139), VREF =
4.096V (MAX1136/MAX1138), CREF = 0.1µF, fSCL = 1.7MHz, TA = TMIN to TMAX, unless otherwise noted. Typical values are at
TA = +25°C. See Tables 1â5 for programming notation.)
PARAMETER
SYMBOL
CONDITIONS
Internal Clock Frequency
Aperture Delay (Note 5)
External clock, fast mode
tAD
External clock, high-speed mode
ANALOG INPUT (AIN0âAIN11)
Input-Voltage Range, Single-
Ended and Differential (Note 6)
Unipolar
Bipolar
Input Multiplexer Leakage Current
ON/OFF leakage current, VAIN_ = 0 or VDD
Input Capacitance
CIN
INTERNAL REFERENCE (Note 7)
Reference Voltage
VREF TA = +25°C
MAX1137/MAX1139
MAX1136/MAX1138
Reference-Voltage Temperature
Coefficient
TCVREF
REF Short-Circuit Current
REF Source Impedance
EXTERNAL REFERENCE
MIN TYP MAX UNITS
2.8
MHz
60
ns
30
0
VREF
V
0
±VREF/2
±0.01 ±1
µA
22
pF
1.968 2.048 2.128
V
3.939 4.096 4.256
25
ppm/°C
2
mA
1.5
kâ¦
REF Input-Voltage Range
VREF (Note 8)
1
VDD
V
REF Input Current
IREF
DIGITAL INPUTS/OUTPUTS (SCL, SDA)
Input High Voltage
VIH
Input Low Voltage
VIL
Input Hysteresis
Input Current
Input Capacitance
VHYST
IIN
CIN
Output Low Voltage
VOL
POWER REQUIREMENTS
Supply Voltage
VDD
Supply Current
IDD
fSAMPLE = 94.4ksps
VIN 0 to VDD
ISINK = 3mA
MAX1137/MAX1139
MAX1136/MAX1138
fSAMPLE = 94.4ksps
external clock
Internal reference
External reference
fSAMPLE = 40ksps
internal clock
Internal reference
External reference
fSAMPLE = 10ksps
internal clock
Internal reference
External reference
fSAMPLE =1ksps
internal clock
Internal reference
External reference
Shutdown (internal reference OFF)
40
µA
0.7 â VDD
V
0.3 â VDD V
0.1 â VDD
V
±10
µA
15
pF
0.4
V
2.7
3.6
V
4.5
5.5
900 1150
670
900
530
230
µA
380
60
330
6
0.5
110
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