MAX12557 查看數據表（PDF） - Maxim Integrated

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MAX12557

Dual, 65Msps, 14-Bit, IF/Baseband ADC

Maxim Integrated 

Dual, 65Msps, 14-Bit, IF/Baseband ADC

ELECTRICAL CHARACTERISTICS (continued)

(VDD = 3.3V, OVDD = 2.0V, GND = 0, REFIN = REFOUT (internal reference), CL ≈ 10pF at digital outputs, VIN = -0.5dBFS (differen-

tial), DIFFCLK/SECLK = OVDD, PD = GND, SHREF = GND, DIV2 = GND, DIV4 = GND, G/T = GND, fCLK = 65MHz, TA = -40°C to

+85°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)

PARAMETER

D0A–D13A, DORA,

D0B–D13B and DORB Tri-State

Output Capacitance (Note 3)

DAV Tri-State Output

Capacitance (Note 3)

POWER REQUIREMENTS

Analog Supply Voltage

Digital Output Supply Voltage

Analog Supply Current

Analog Power Dissipation

SYMBOL

COUT

CDAV

CONDITIONS

VDD

OVDD

IVDD

PVDD

Normal operating mode

fIN = 175MHz at -0.5dBFS,

single-ended clock

(DIFFCLK/SECLK = GND)

Normal operating mode

fIN = 175MHz at -0.5dBFS

differential clock

(DIFFCLK/SECLK = OVDD)

Power-down mode (PD = OVDD)

clock idle

Normal operating mode

fIN = 175MHz at -0.5dBFS

single-ended clock

(DIFFCLK/SECLK = GND)

Normal operating mode

fIN = 175MHz at -0.5dBFS

differential clock

(DIFFCLK/SECLK = OVDD)

Power-down mode (PD = OVDD)

clock idle

MIN TYP MAX UNITS

3

pF

6

pF

3.15 3.30 3.60

V

1.70

2.0

VDD

V

185

mA

193 210

0.05

610

mW

637 693

0.165

Digital Output Supply Current

IOVDD

Normal operating mode

fIN = 175MHz at -0.5dBFS

Power-down mode (PD = OVDD)

clock idle

21.3

mA

0.001

6 _______________________________________________________________________________________

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