ADS5545 datasheet(3/8 Pages) TI

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ADS5545

SLWS180 – SEPTEMBER 2005

ELECTRICAL CHARACTERISTICS (continued)

Typical values at 25

°C, min, max values are across the full temperature range T

MIN = –40°C to TMAX = 85°C, AVDD = DRVDD

= 3.3 V, sampling rate = 170 MSPS, 50% clock duty cycle, –1 dBFS differential analog input, internal reference mode, LVDS

data output (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

POWER SUPPLY

ICC

Total supply current

FIN = TBD

369

IAVDD

Analog supply current

FIN = TBD

315

LVDS mode, FIN = TBD, CL = 5 pF

IDRVDD

Digital supply current

CMOS mode, FIN = TBD, CL = 5 pF

Total power dissipation

LVDS mode, FIN = TBD

1.22

Power down dissipation

Clock running

TBD

REFERENCE VOLTAGES

VREFB

Reference bottom

0.5

VREFT

Reference top

2.5

VCM

Common mode voltage (internal)

1.5

VCM output current

±4

ANALOG INPUT

Differential input capacitance

Analog input common mode range

VCM

± 0.1

Differential input voltage range

Vpp

Analog input bandwidth

–3 dB, source impedance 50

Ω

400

MHz

DYNAMIC AC CHARACTERISTICS

FIN = 10 MHz

SFDR

Spurious free dynamic range

FIN = 70 MHz

dBc

FIN = 150 MHz

FIN = 10 MHz

SNR

Signal-to-noise ratio

FIN = 70 MHz

73.5

dBFS

FIN = 150 MHz

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