MAX144 Maxim, MAX144 Datasheet - Page 3

• Manufacturer Part Number: MAX144
• Description: +2.7V / Low-Power / 2-Channel / 108ksps / Serial 12-Bit ADCs in 8-Pin MAX
• Manufacturer: Maxim

ELECTRICAL CHARACTERISTICS (continued)
(V
CH- = GND for MAX145, T
ANALOG INPUTS
EXTERNAL REFERENCE
DIGITAL INPUTS (CS/SHDN) AND OUTPUT (DOUT)
POWER REQUIREMENTS
Analog Input Voltage Range
(Note 6)
Multiplexer Leakage Current
Input Capacitance
Input Voltage Range (Note 7)
Input Current
Input Resistance
Shutdown REF Input Current
Input High Voltage
Input Low Voltage
Input Hysteresis
Input Leakage Current
Input Capacitance
Output Low Voltage
Output High Voltage
Three-State Output Leakage
Current
Three-State Output Capacitance
Positive Supply Voltage
Positive Supply Current
Power-Supply Rejection
(Note 9)
DD
= +2.7V to +5.25V, V
PARAMETER
_______________________________________________________________________________________
+2.7V, Low-Power, 2-Channel, 108ksps,
A
= T
REF
MIN
= 2.5V, 0.1µF capacitor at REF, f
SYMBOL
to T
C
V
V
V
V
PSR
V
C
C
V
V
I
V
I
HYS
OUT
REF
DD
MAX
IN
OH
DD
OL
IN
IH
IN
IL
IN
Serial 12-Bit ADCs in 8-Pin µMAX
, unless otherwise noted. Typical values are at T
On/off leakage current, V
V
V
V
V
(Note 8)
I
I
I
CS/SHDN = V
CS/SHDN = V
Operating mode
Shutdown,
V
V
SINK
SINK
SOURCE
REF
DD
DD
IN
DD
REF
= 0 or V
≤ 3.6V
> 3.6V
= 2.7V to 5.25V,
= 2.5V
= 16mA
= 2.5V, full-scale input
= 5mA
= 0.5mA
CS/SHDN = GND
DD
CONDITIONS
DD
DD
(Note 8)
SCLK
IN
= 0 to V
= 2.17MHz, 16 clocks/conversion cycle (108ksps),
DD
V
A
DD
MIN
2.0
3.0
2.7
= +25°C.)
18
0
0
- 0.5
±0.01
±0.15
TYP
0.01
100
0.2
0.5
0.9
0.2
16
25
+ 50mV
MAX
V
5.25
V
±10
140
0.8
0.4
2.0
±1
±1
10
15
15
REF
DD
5
UNITS
mA
mV
µA
µA
kΩ
µA
µA
µA
µA
pF
pF
pF
V
V
V
V
V
V
V
V
3