MAX1247ACEE(1997) View Datasheet(PDF) - Maxim Integrated
Part Name
Description
Manufacturer
MAX1247ACEE Datasheet PDF : 24 Pages
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+2.7V, Low-Power, 4-Channel,
Serial 12-Bit ADCs in QSOP-16
ELECTRICAL CHARACTERISTICS (continued)
(VDD = +2.7V to +3.6V (MAX1246); VDD = +2.7V to +5.25V (MAX1247); COM = 0V; fSCLK = 2.0MHz; external clock (50% duty cycle);
15 clocks/conversion cycle (133ksps); MAX1246—4.7µF capacitor at VREF pin; MAX1247—external reference, VREF = 2.500 V
applied to VREF pin; TA = TMIN to TMAX; unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
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 Mid Voltage
SHDN Input Low Voltage
SHDN Input Current
SHDN Voltage, Floating
SHDN Maximum Allowed
Leakage, Mid Input
VIH
VIL
VHYST
IIN
CIN
VSH
VSM
VSL
IS
VFLT
VDD ≤ 3.6V
VDD > 3.6V, MAX1247 only
VIN = 0V or VDD
(Note 7)
SHDN = 0V or VDD
SHDN = FLOAT
SHDN = FLOAT
DIGITAL OUTPUTS (DOUT, SSTRB)
Output Voltage Low
Output Voltage High
Three-State Leakage Current
Three-State Output Capacitance
POWER REQUIREMENTS
VOL
VOH
IL
COUT
ISINK = 5mA
ISINK = 16mA
ISOURCE = 0.5mA
CS = VDD
CS = VDD (Note 7)
Positive Supply Voltage
MAX1246
VDD
MAX1247
Operating mode, full-scale input
Positive Supply Current, MAX1246 IDD VDD = 3.6V Fast power-down
Full power-down
Operating mode,
full-scale input
Positive Supply Current, MAX1247 IDD Fast power-down
Full power-down
VDD = 5.25V
VDD = 3.6V
VDD = 5.25V
VDD = 3.6V
Supply Rejection (Note 10)
PSR
VDD = 2.7V to VDD(MAX), full-scale input,
external reference = 2.500V
MIN TYP MAX UNITS
2.0
V
3.0
0.8
V
0.2
V
±0.01 ±1
µA
15
pF
VDD - 0.4
V
1.1
VDD - 1.1
V
0.4
V
±4.0 µA
VDD / 2
V
±100 nA
0.4
V
0.8
VDD - 0.5
V
±0.01 ±10 µA
15
pF
2.70
3.60
V
2.70
5.25
1.2
2.0 mA
30
70
µA
1.2
10
1.8
2.5
mA
0.9
1.5
30
70
3.5
15
µA
1.2
10
±0.3
mV
4 _______________________________________________________________________________________
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