
MAX11612–MAX11617
Low-Power, 4-/8-/12-Channel, I2C,
12-Bit ADCs in Ultra-Small Packages
3
Maxim Integrated
ELECTRICAL CHARACTERISTICS (continued)
(VDD = 2.7V to 3.6V (MAX11613/MAX11615/MAX11617), VDD = 4.5V to 5.5V (MAX11612/MAX11614/MAX11616), VREF = 2.048V
(MAX11613/MAX11615/MAX11617), VREF = 4.096V (MAX11612/MAX11614/MAX11616), fSCL = 1.7MHz, TA = TMIN to TMAX, unless
otherwise noted. Typical values are at TA = +25°C, see Tables 1–5 for programming notation.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Internal clock, SCAN[1:0] = 01
51
Internal clock, SCAN[1:0] = 00
CS[3:0] = 1011 (MAX11616/MAX11617)
51
Throughput Rate
fSAMPLE
External clock
94.4
ksps
Track/Hold Acquisition Time
800
ns
Internal Clock Frequency
2.8
MHz
External clock, fast mode
60
Aperture Delay (Note 6)
tAD
External clock, high-speed mode
30
ns
ANALOG INPUT (AIN0–AIN11)
Unipolar
0
VREF
Input-Voltage Range, Single-
Ended and Differential (Note 7)
Bipolar
0
±VREF/2
V
Input Multiplexer Leakage Current
ON/OFF leakage current, VAIN_ = 0 or VDD
±0.01
±1A
Input Capacitance
CIN
22
pF
INTERNAL REFERENCE (Note 8)
MAX11613/MAX11615/MAX11617
1.968
2.048
2.128
Reference Voltage
VREF
TA = +25°C
MAX11612/MAX11614/MAX11616
3.936
4.096
4.256
V
Reference-Voltage Temperature
Coefficient
TCVREF
25
ppm/
°C
REF Short-Circuit Current
2mA
REF Source Impedance
1.5
k
EXTERNAL REFERENCE
REF Input-Voltage Range
VREF
(Note 9)
1
VDD
V
REF Input Current
IREF
fSAMPLE = 94.4ksps
40
A
DIGITAL INPUTS/OUTPUTS (SCL, SDA)
Input-High Voltage
VIH
0.7 x VDD
V
Input-Low Voltage
VIL
0.3 x VDD
V
Input Hysteresis
VHYST
0.1 x VDD
V
Input Current
IIN
VIN = 0 to VDD
±10
A
Input Capacitance
CIN
15
pF
Output Low Voltage
VOL
ISINK = 3mA
0.4
V