EVAL-AD7484CB データシートの表示（PDF） - Analog Devices

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EVAL-AD7484CB

3MSPS, 14-Bit SAR ADC

Analog Devices 

PRELIMINARY TECHNICAL DATA

AD7484–SPECIFICATIONS

(TA = 25؇C, VDD = 4.75 V to 5.25 V, VDRIVE = 2.7 V to 5.25 V,

fSAMPLE = 3MSPS)

Parameter

DYNAMIC PERFORMANCE

Signal to Noise + Distortion (SINAD)2

Signal to Noise Ratio (SNR)2

Total Harmonic Distortion (THD)2

Peak Harmonic or Spurious Noise (SFDR)2

Intermodulation Distortion (IMD)2

Second Order Terms

Third Order Terms

Aperture Delay

Aperture Jitter

Full Power Bandwidth

DC ACCURACY

Resolution

Integral Nonlinearity2

Differential Nonlinearity2

Offset Error2

Gain Error2

ANALOG INPUT

Input Voltage

DC Leakage Current

Input Capacitance

REFERENCE INPUT/OUTPUT

VREF Input Voltage

VREF Input DC Leakage Current

VREF Input Capacitance

VREF Output Voltage

VREF Error @ 25°C

VREF Error TMIN to TMAX

VREF Output Impedance

LOGIC INPUTS

Input High Voltage, VINH

Input Low Voltage, VINL

Input Current, IIN

Input Capacitance, CIN2

LOGIC OUTPUTS

Output High Voltage, VOH

Output Low Voltage, VOL

Floating-State Leakage Current

Floating-State Output Capacitance2,3

Output Coding

CONVERSION RATE

Conversion Time

Track/Hold Acquisition Time

Throughput Rate

POWER REQUIREMENTS

VDD

VDRIVE

IDD Normal Mode (Static)

Normal Mode (Operational)

NAP Mode

Standby Mode

REV. PrC 7/13/01

Specification

78

78

-90

TBD

TBD

TBD

10

10

50

TBD

Units

dB min

dB min

dB max

dB max

Test Conditions/Comments

FIN = 100kHz Sine Wave

dB typ

dB typ

ns typ

ps typ

MHz typ

MHz typ

@ 3 dB

@0.1 dB

14

TBD

±1

TBD

±1

±1.5

±1.5

Bits

LSB max

LSB typ

LSB max

LSB typ

LSB max

LSB max

Guaranteed No Missed Codes to 14 bits

-200

+2.7

TBD

10

mV min

Volts max

µA max

pF typ

+2.5

±1

TBD

+2.5

TBD

TBD

TBD

Volts

µA max

pF max

V nom

mV max

mV max

k⍀ typ

±1% for specified performance

TBD

0.4

TBD

TBD

V min

V max

µA max

pF max

VDRIVE - 0.2

0.4

V min

V max

TBD

µA max

TBD

pF max

Straight (Natural) Binary

TBD

TBD

TBD

3

ns max

ns max Sine Wave Input

ns max Full-Scale Step Input

MSPS max

+5

+2.7

+5.25

TBD

18

1

1

–2–

Volts

V min

V max

mA typ

mA typ

mA typ

µA max

±5%

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