MAX145BCUA View Datasheet(PDF) - Maxim Integrated
Part Name
Description
Manufacturer
MAX145BCUA Datasheet PDF : 16 Pages
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+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
VIN
(Note 6)
0
VREF
V
Multiplexer Leakage Current
Input Capacitance
EXTERNAL REFERENCE
On/off leakage current, VIN = 0 to VDD
CIN
Input Voltage Range
VREF (Note 7)
Input Current
Input Resistance
VREF = 2.5V
Shutdown REF Input Current
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
Three-State Output Leakage
Current
CS/SHDN = VDD
Three-State Output Capacitance COUT
POWER REQUIREMENTS
CS/SHDN = VDD (Note 8)
Positive Supply Voltage
Positive Supply Current
VDD
Operating mode
IDD
Shutdown, CS/SHDN = GND
Power-Supply Rejection
PSR
VDD = 2.7V to 5.25V,
VREF = 2.5V, full-scale input (Note 9)
±0.01
±1
µA
16
pF
0
VDD
+ 50mV
V
100
140
µA
18
25
kΩ
0.01
10
µA
2.0
3.0
0.2
0.5
VDD - 0.5
V
0.8
V
V
±1
µA
15
pF
0.4
V
V
±10
µA
15
pF
2.7
5.25
V
0.9
2.0
mA
0.2
5
µA
±0.15
mV
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