MAX1248 查看數據表（PDF） - Maxim Integrated

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MAX1248

+2.7V to +5.25V, Low-Power, 4-Channel, Serial 10-Bit ADCs in QSOP-16

Maxim Integrated 

+2.7V to +5.25V, Low-Power, 4-Channel,

Serial 10-Bit ADCs in QSOP-16

ELECTRICAL CHARACTERISTICS (continued)

(VDD = +2.7V to +5.25V; COM = 0V; fSCLK = 2.0MHz, external clock (50% duty cycle); 15 clocks/conversion cycle (133ksps);

MAX1248—4.7µF capacitor at VREF pin; MAX1249—external reference; VREF = 2.500V applied to VREF pin, TA = TMIN to TMAX,

unless otherwise noted.)

PARAMETER

SHDN Voltage, Floating

SHDN Maximum Allowed

Leakage, Mid Input

SYMBOL

CONDITIONS

VFLT SHDN = FLOAT

SHDN = FLOAT

MIN TYP MAX UNITS

VDD / 2

V

±100 nA

DIGITAL OUTPUTS (DOUT, SSTRB)

Output Voltage Low

VOL

Output Voltage High

Three-State Leakage Current

Three-State Output Capacitance

POWER REQUIREMENTS

Positive Supply Voltage

VOH

IL

COUT

VDD

Positive Supply Current

IDD

IDD

Supply Rejection (Note 12)

PSR

ISINK = 5mA

ISINK = 16mA

ISOURCE = 0.5mA

CS = VDD

CS = VDD (Note 10)

Operating mode,

full-scale input (Note 11)

VDD = 5.25V

VDD = 3.6V

Full power-down

VDD = 5.25V

VDD = 3.6V

Fast power-down (MAX1248) VDD = 5.25V

VDD = 2.7V to 5.25V, full-scale input,

external reference = 2.500V

0.4

V

0.8

VDD - 0.5

V

±0.01 ±10 µA

15

pF

2.70

5.25

V

1.6

3.0

mA

1.2

2.0

3.5

15

1.2

10

µA

30

70

±0.3

mV

4 _______________________________________________________________________________________

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