 English |
|
|
|
|
|
|
|
| MAX144 Datasheet, PDF (3/16 Pages) Maxim Integrated Products – +2.7V, Low-Power, 2-Channel, 108ksps, Serial 12-Bit ADCs in 8-Pin μMAX | |||
| |||
| ◁ |
+2.7V, Low-Power, 2-Channel, 108ksps,
Serial 12-Bit ADCs in 8-Pin µMAX
ELECTRICAL CHARACTERISTICS (continued)
(VDD = +2.7V to +5.25V, VREF = 2.5V, 0.1µF capacitor at REF, fSCLK = 2.17MHz, 16 clocks/conversion cycle (108ksps),
CH- = GND for MAX145, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX UNITS
ANALOG INPUTS
Analog Input Voltage Range
(Note 6)
VIN
0
VREF
V
Multiplexer Leakage Current
Input Capacitance
EXTERNAL REFERENCE
On/off leakage current, VIN = 0 to VDD
CIN
±0.01
±1
µA
16
pF
Input Voltage Range (Note 7)
VREF
0
VDD
+ 50mV
V
Input Current
Input Resistance
Shutdown REF Input Current
VREF = 2.5V
100
140
µA
18
25
kâ¦
0.01
10
µA
DIGITAL INPUTS (CS/SHDN) AND OUTPUT (DOUT)
Input High Voltage
VIH
VDD ⤠3.6V
VDD > 3.6V
Input Low Voltage
VIL
Input Hysteresis
VHYS
Input Leakage Current
IIN
VIN = 0 or VDD
Input Capacitance
CIN
(Note 8)
Output Low Voltage
VOL
ISINK = 5mA
ISINK = 16mA
Output High Voltage
VOH ISOURCE = 0.5mA
2.0
3.0
0.2
0.5
VDD - 0.5
V
0.8
V
V
±1
µA
15
pF
0.4
V
V
Three-State Output Leakage
Current
CS/SHDN = VDD
±10
µA
Three-State Output Capacitance COUT
POWER REQUIREMENTS
CS/SHDN = VDD (Note 8)
15
pF
Positive Supply Voltage
Positive Supply Current
VDD
Operating mode
IDD
Shutdown, CS/SHDN = GND
2.7
5.25
V
0.9
2.0
mA
0.2
5
µA
Power-Supply Rejection
(Note 9)
PSR
VDD = 2.7V to 5.25V,
VREF = 2.5V, full-scale input
±0.15
mV
_______________________________________________________________________________________ 3
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese