MAX186ACAP Просмотр технического описания (PDF) - Maxim Integrated
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MAX186ACAP Datasheet PDF : 24 Pages
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Low-Power, 8-Channel,
Serial 12-Bit ADCs
ELECTRICAL CHARACTERISTICS (continued)
(VDD = 5V ±5%; VSS = 0V or -5V; fCLK = 2.0MHz, external clock (50% duty cycle); 15 clocks/conversion cycle (133ksps); MAX186—
4.7µF capacitor at VREF pin; MAX188—external reference, VREF = 4.096V applied to VREF pin; TA = TMIN to TMAX, unless otherwise
noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP MAX UNITS
EXTERNAL REFERENCE AT REFADJ
Capacitive Bypass at VREF
Reference-Buffer Gain
REFADJ Input Current
DIGITAL INPUTS (DIN, SCLK, CS, SHDN)
DIN, SCLK, CS Input High Voltage
DIN, SCLK, CS Input Low Voltage
DIN, SCLK, CS Input Hysteresis
DIN, SCLK, CS Input Leakage
DIN, SCLK, CS Input Capacitance
SHDN Input High Voltage
SHDN Input Low Voltage
SHDN Input Current, High
SHDN Input Current, Low
SHDN Input Mid Voltage
SHDN Voltage, Floating
SHDN Max Allowed Leakage,
Mid Input
VINH
VINL
VHYST
IIN
CIN
VINH
VINL
IINH
IINL
VIM
VFLT
DIGITAL OUTPUTS (DOUT, SSTRB)
Output Voltage Low
VOL
Output Voltage High
Three-State Leakage Current
Three-State Output Capacitance
POWER REQUIREMENTS
Positive Supply Voltage
Negative Supply Voltage
VOH
IL
COUT
VDD
VSS
Positive Supply Current
IDD
Negative Supply Current
ISS
Internal compensation mode
External compensation mode
MAX186
MAX188
MAX186
MAX188
VIN = 0V or VDD
(Note 6)
SHDN = VDD
SHDN = 0V
SHDN = open
SHDN = open
ISINK = 5mA
ISINK = 16mA
ISOURCE = 1mA
CS = 5V
CS = 5V (Note 6)
Operating mode
Fast power-down
Full power-down
Operating mode and fast power-down
Full power-down
0
µF
4.7
1.678
V/V
1.638
±50
µA
±5
2.4
V
0.8
V
0.15
V
±1
µA
15
pF
VDD - 0.5
V
0.5
V
4.0
µA
-4.0
µA
1.5
VDD -1.5
V
2.75
V
-100
100
nA
0.4
V
0.3
4
V
±10
µA
15
pF
5 ±5%
V
0 or
-5 ±5%
V
1.5
2.5
mA
30
70
µA
2
10
50
µA
10
4 _______________________________________________________________________________________
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