AD9280ARSZ Просмотр технического описания (PDF) - Analog Devices

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AD9280ARSZ

Complete 8-Bit, 32 MSPS, 95 mW CMOS A/D Converter

Analog Devices 

AD9280–SPECIFICATIONS (AVDD = +3 V, DRVDD = +3 V, FS = 32 MHz (50% Duty Cycle), MODE = AVDD, 2 V Input

Span from 0.5 V to 2.5 V, External Reference, TMIN to TMAX unless otherwise noted)

Parameter

Symbol Min Typ Max

Units Condition

RESOLUTION

8

Bits

CONVERSION RATE

DC ACCURACY

Differential Nonlinearity

Integral Nonlinearity

Offset Error

Gain Error

REFERENCE VOLTAGES

Top Reference Voltage

Bottom Reference Voltage

Differential Reference Voltage

Reference Input Resistance1

FS

32

MHz

DNL

INL

EZS

EFS

± 0.2 ± 1.0

± 0.3 ± 1.5

± 0.2 ± 1.8

± 1.2 ± 3.9

LSB

LSB

% FSR

% FSR

REFTS = 2.5 V, REFBS = 0.5 V

REFTS

REFBS

1

GND

2

10

4.2

AVDD V

AVDD – 1 V

V p-p

kΩ

kΩ

REFTS, REFBS: MODE = AVDD

Between REFTF & REFBF: MODE = AVSS

ANALOG INPUT

Input Voltage Range

Input Capacitance

Aperture Delay

Aperture Uncertainty (Jitter)

Input Bandwidth (–3 dB)

Full Power (0 dB)

DC Leakage Current

AIN

REFBS

REFTS V

REFBS Min = GND: REFTS Max = AVDD

CIN

1

tAP

4

tAJ

2

BW

pF

Switched

ns

ps

300

MHz

43

µA

Input = ± FS

INTERNAL REFERENCE

Output Voltage (1 V Mode)

Output Voltage Tolerance (1 V Mode)

Output Voltage (2 V Mode)

Load Regulation (1 V Mode)

VREF

VREF

1

± 10 ± 25

2

0.5 2

V

REFSENSE = VREF

mV

V

REFSENSE = GND

mV 1 mA Load Current

POWER SUPPLY

Operating Voltage

Supply Current

Power Consumption

Power-Down

Gain Error Power Supply Rejection

AVDD 2.7

DRVDD 2.7

IAVDD

PD

PSRR

3

5.5

3

5.5

31.7 36.7

95 110

4

1

V

V

mA

mW

mW

% FS

AVDD = 3 V, MODE = AVSS

AVDD = DRVDD = 3 V, MODE = AVSS

STBY = AVDD, MODE and CLOCK

= AVSS

DYNAMIC PERFORMANCE (AIN = 0.5 dBFS)

Signal-to-Noise and Distortion

SINAD

f = 3.58 MHz

f = 16 MHz

Effective Bits

f = 3.58 MHz

f = 16 MHz

Signal-to-Noise

SNR

f = 3.58 MHz

f = 16 MHz

Total Harmonic Distortion

THD

f = 3.58 MHz

f = 16 MHz

Spurious Free Dynamic Range

SFDR

f = 3.58 MHz

f = 16 MHz

Differential Phase

DP

Differential Gain

DG

46.4 49

48

7.8

7.7

47.8 49

48

–62 –49.5

–58

66 51.4

61

0.2

0.08

dB

dB

Bits

Bits

dB

dB

dB

dB

dB

dB

Degree

%

NTSC 40 IRE Mod Ramp

–2–

REV. E

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