Datasheet

MAX11612–MAX11617
Low-Power, 4-/8-/12-Channel, I
2
C,
12-Bit ADCs in Ultra-Small Packages
3
Maxim Integrated
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= 2.7V to 3.6V (MAX11613/MAX11615/MAX11617), V
DD
= 4.5V to 5.5V (MAX11612/MAX11614/MAX11616), V
REF
= 2.048V
(MAX11613/MAX11615/MAX11617), V
REF
= 4.096V (MAX11612/MAX11614/MAX11616), f
SCL
= 1.7MHz, T
A
= T
MIN
to T
MAX
, unless
otherwise noted. Typical values are at T
A
= +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
f
SAMPLE
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) t
AD
External clock, high-speed mode 30
ns
ANALOG INPUT (AIN0–AIN11)
Unipolar 0
V
REF
Input-Voltage Range, Single-
Ended and Differential (Note 7)
Bipolar 0
±V
REF
/2
V
Input Multiplexer Leakage Current
ON/OFF leakage current, V
AIN
_ = 0 or V
DD
±0.01
±1µA
Input Capacitance C
IN
22 pF
INTERNAL REFERENCE (Note 8)
M AX11613/M AX 11615/MAX 11617 1.968 2.048 2.128
Reference Voltage V
REF
T
A
= +25°C
M AX11612/M AX 11614/MAX 11616 3.936 4.096 4.256
V
Reference-Voltage Temperature
Coefficient
TCV
REF
25
ppm/°C
REF Short-Circuit Current 2mA
REF Source Impedance 1.5 kΩ
EXTERNAL REFERENCE
REF Input-Voltage Range V
REF
(Note 9) 1
V
DD
V
REF Input Current I
REF
f
SAMPLE
= 94.4ksps 40 µA
DIGITAL INPUTS/OUTPUTS (SCL, SDA)
Input-High Voltage V
IH
0.7 x V
DD
V
Input-Low Voltage V
IL
0.3 x V
DD
V
Input Hysteresis
V
HYST
0.1 x V
DD
V
Input Current I
IN
V
IN
= 0 to V
DD
±10 µA
Input Capacitance C
IN
15 pF
Output Low Voltage V
OL
I
SINK
= 3mA 0.4 V