MAX11645 Maxim Integrated Products, MAX11645 Datasheet - Page 3

• Manufacturer Part Number: MAX11645
• Description: 2-Wire Serial 12-Bit ADCs
• Manufacturer: Maxim Integrated Products

ELECTRICAL CHARACTERISTICS (continued)
(V
1.7MHz, T
ANALOG INPUT (AIN0/AIN1)
Input Voltage Range, Single-
Ended and Differential (Note 6)
Input Multiplexer Leakage Current
Input Capacitance
INTERNAL REFERENCE (Note 7)
Reference Voltage
Reference-Voltage Temperature
Coefficient
REF Short-Circuit Current
REF Source Impedance
EXTERNAL REFERENCE
REF Input Voltage Range
REF Input Current
DIGITAL INPUTS/OUTPUTS (SCL, SDA)
Input-High Voltage
Input-Low Voltage
Input Hysteresis
Input Current
Input Capacitance
Output Low Voltage
POWER REQUIREMENTS
Supply Voltage
Supply Current
Power-Supply Rejection Ratio
DD
= 2.7V to 3.6V (MAX11645), V
A
PARAMETER
= T
MIN
2.7V to 3.6V and 4.5V to 5.5V, Low-Power,
to T
_______________________________________________________________________________________
MAX
1-/2-Channel, 2-Wire Serial, 12-Bit ADCs
, unless otherwise noted. Typical values are at T
DD
SYMBOL
TCV
V
PSRR
V
V
= 4.5V to 5.5V (MAX11644), V
I
V
V
C
HYST
C
I
V
REF
V
I
REF
REF
DD
IN
DD
OL
IN
IH
IN
IL
REF
Unipolar
Bipolar
On/off leakage current, V
T
(Note 8)
f
V
I
MAX11645
MAX11644
f
external clock
f
internal clock
f
internal clock
f
internal clock
Shutdown (internal REF off)
Full-scale input (Note 9)
SAMPLE
SINK
SAMPLE
SAMPLE
SAMPLE
SAMPLE
A
IN
= +25°C
= 0 to V
= 3mA
= 94.4ksps
= 94.4ksps
= 40ksps
= 10ksps
=1ksps
DD
M AX11645
M AX11644
CONDITIONS
REF
Internal reference
External reference
Internal reference
External reference
Internal reference
External reference
Internal reference
External reference
AIN
= 2.048V (MAX11645), V
A
_ = 0 or V
= +25°C, see Tables 1–5 for programming notation.)
DD
0.7 x V
0.1 x V
1.968
3.936
MIN
2.7
4.5
0
0
1
REF
DD
DD
= 4.096V (MAX11644), f
±0.01
2.048
4.096
TYP
±0.5
900
670
530
230
380
330
1.5
0.5
22
25
15
60
6
0.3 x V
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±V
2.128
4.256
MAX
V
1150
V
±2.0
±10
900
REF
0.4
3.6
5.5
±1
40
10
REF
2
DD
DD
/2
ppm/°C
UNITS
LSB/V
mA
kΩ
µA
pF
µA
µA
pF
µA
V
V
V
V
V
V
V
V
SCL
3
=