AD1672 datasheet(3/20 Pages) AD

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AC SPECIFICATIONS

AD1672AP

Parameter

Min

Typ

Max

Units

SIGNAL-TO-NOISE AND DISTORTION RATIO (S/(N+D))

fINPUT = 100 kHz

fINPUT = 500 kHz

fINPUT = 1.5 MHz

SIGNAL-TO-NOISE RATIO (SNR)

fINPUT = 100 kHz

fINPUT = 500 kHz

fINPUT = 1.5 MHz

TOTAL HARMONIC DISTORTION (THD)

fINPUT = 100 kHz

–74

fINPUT = 500 kHz

–74

–64

fINPUT = 1.5 MHz

–60

SPURIOUS FREE DYNAMIC RANGE (SFDR)

fINPUT = 100 kHz

–77

fINPUT = 500 kHz

–77

–65

fINPUT = 1.5 MHz

–61

INTERMODULATION DISTORTION (IMD)

FULL POWER BANDWIDTH

MHz

SMALL SIGNAL BANDWIDTH (–20 dB FSR)

MHz

CODE TRANSITION NOISE

1/4

LSB rms

APERTURE DELAY

APERTURE JITTER

ps rms

ACQUISITION TO FULL-SCALE STEP

150

OVERVOLTAGE RECOVERY TIME

150

NOTES

1fs = 490 kHz; fb = 510 kHz typical value for third order products.

Specifications subject to change without notice.

DIGITAL SPECIFICATION

AD1672AP

Parameter

Symbol

Min

Typ

Max

Units

LOGIC INPUTS

High Level Input Voltage

VIH

3.5

Volts

Low Level Input Voltage

VIL

1.0

Volts

High Level Input Current (VIN = VDD)IIH

–10

µA

Low Level Input Current (VIN = 0 V)

IIL

–10

µA

Input Capacitance

CIN

LOGIC OUTPUTS

High Level Output Voltage (IOH = 0.5 mA)

VOH

2.4

Volts

Low Level Output Voltage (IOL = 1.6 mA)

VOL

0.4

Volts

Output Capacitance

COUT

5pF

Specifications subject to change without notice.

(TMIN to TMAX with VCC = +5 .0 V, VDD = +5.0 V, DRVDD = +5.0 V, fSAMPLE = 3 MHz, AIN = 0.5 dB in bipolar

–2.5 V to +2.5 V configuration unless otherwise noted)

AD1672

REV. 0

–3–

(TMIN to TMAX with VCC = +5 .0 V, VDD = +5.0 V, VDRVDD = +5.0 V unless otherwise noted)

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