AD7451BRT 查看數據表（PDF） - Analog Devices

零件编号

产品描述 (功能)

生产厂家

AD7451BRT

Pseudo Differential Input, 1 MSPS, 10-/12-Bit ADCs in an 8-Lead SOT-23

Analog Devices 

PRELIMINARY TECHNICAL DATA

AD7451 - SPECIFICATIONS1 ( VDD = 2.7V to 5.25V, fSCLK = 18MHz, fS = 1MHz, VREF = 2.5 V; FIN = 300kHz;

TA = TMIN to TMAX, unless otherwise noted.)

Parameter

DYNAMIC PERFORMANCE

Signal to (Noise + Distortion)

(SINAD)2

Total Harmonic Distortion (THD)2

Peak Harmonic or Spurious Noise2

Intermodulation Distortion (IMD)2

Second Order Terms

Third Order Terms

Aperture Delay2

Aperture Jitter2

Full Power Bandwidth2

DC ACCURACY

Resolution

Integral Nonlinearity (INL)2

Differential Nonlinearity (DNL)2

Offset Error2

Gain Error2

ANALOG INPUT

Full Scale Input Span

Absolute Input Voltage

VIN+

V

I

N

3

-

DC Leakage Current

Input Capacitance

REFERENCE INPUT

VREF Input Voltage

DC Leakage Current

VREF Input Capacitance

LOGIC INPUTS

Input High Voltage, VINH

Input Low Voltage, VINL

Input Current, IIN

Input Capacitance, CIN4

LOGIC OUTPUTS

Output High Voltage, VOH

Output Low Voltage, VOL

Floating-State Leakage Current

Floating-State Output Capacitance4

Output Coding

Test Conditions/Comments

-80dB typ

-82dB typ

@ -3 dB

@ -0.1 dB

Guaranteed No Missed Codes

to 12 Bits.

VIN+ - VIN-

When in Track

When in Hold

±1% tolerance for

specified performance

Typically 10nA, VIN = 0VorVDD

VDD = 5V; ISOURCE = 200µA

VDD = 3V; ISOURCE = 200µA

ISINK =200µA

B Version1

70

-75

-75

-85

-85

10

50

20

2.5

12

±1

±1

±3

±3

VREF

VREF

0.1 to 1

±1

20

6

2.5

±1

15

2.4

0.8

±1

10

2.8

2.4

0.4

±1

10

Straight

(Natural)

Binary

Unit

dB min

dB max

dB max

dB typ

dB typ

ns typ

ps typ

MHz typ

MHz typ

Bits

LSB max

LSB max

LSB max

LSB max

V

V

V

µA max

pF typ

pF typ

V

µA max

pF typ

V min

V max

µA max

pF max

V min

V min

V max

µA max

pF max

–2–

REV. PrC

Share Link: