AD9674 Ver la hoja de datos (PDF) - Analog Devices

Número de pieza

componentes Descripción

Fabricante

AD9674

Octal Ultrasound Analog Front End

Analog Devices 

Data Sheet

Parameter2

Output Offset

SNR

Close-In SNR

Second Harmonic

Third Harmonic

Two-Tone Intermodulation Distortion

(IMD3)

Channel to Channel Crosstalk

GAIN ACCURACY

Gain Law Conformance Error

Linear Gain Error

Channel to Channel Matching

PGA Gain

GAIN CONTROL INTERFACE

Control Range

Control Common Mode

Input Impedance

Gain Range

Scale Factor

Response Time

CW DOPPLER MODE

LO Frequency

Phase Resolution

Output DC Bias (Single-Ended)

Output AC Current Range

Transconductance (Differential)

Input Referred Noise Voltage

Noise Figure

Dynamic Range

Test Conditions/Comments

fIN = 5 MHz at −12 dBFS, VGAIN = −1.6 V

fIN = 5 MHz at −1 dBFS, VGAIN = 1.6 V

fIN = 3.5 MHz at −1 dBFS, VGAIN = 0 V,

1 kHz offset

fIN = 5 MHz at −12 dBFS, VGAIN = −1.6 V

fIN = 5 MHz at −1 dBFS, VGAIN = 1.6 V

fIN = 5 MHz at −12 dBFS, VGAIN = −1.6 V

fIN = 5 MHz at −1 dBFS, VGAIN = 1.6 V

fRF1 = 5.015 MHz, fRF2 = 5.020 MHz,

ARF1 = −1 dBFS, ARF2 = −21 dBFS,

VGAIN = 1.6 V, IMD3 relative to ARF2

fIN = 5 MHz at −1 dBFS

Overrange condition4

TA = 25°C

−1.6 < VGAIN < −1.28 V

−1.28 V < VGAIN < +1.28 V

1.28 V < VGAIN < 1.6 V

VGAIN = 0 V, normalized for ideal AAF loss

−1.28 V < VGAIN < +1.28 V, 1 σ

Differential

GAIN+, GAIN−

GAIN+, GAIN−

Analog

Digital step size

Analog 45 dB change

fLO = fMLO/M

Per channel, 4LO5 mode

Per channel, 8LO5 mode, 16LO5 mode

CWI+, CWI−, CWQ+, CWQ−

Per CWI+, CWI−, CWQ+, and CWQ−,

each channel is enabled (2 × fLO and

baseband signal)

Demodulated IOUT/VIN, per CWI+, CWI−,

CWQ+, and CWQ−

LNA gain = 15.6 dB

LNA gain = 17.9 dB

LNA gain = 21.6 dB

RS = 0 Ω, RFB = ∞

LNA gain = 15.6 dB

LNA gain = 17.9 dB

LNA gain = 21.6 dB

RS = 50 Ω, RFB = ∞

LNA gain = 15.6 dB

LNA gain = 17.9 dB

LNA gain = 21.6 dB

RS = 0 Ω, RFB = ∞

LNA gain = 15.6 dB

LNA gain = 17.9 dB

LNA gain = 21.6 dB

Rev. A | Page 5 of 47

Min

−100

Typ

69

59

−130

−70

−62

−61

−55

−54

−60

−55

0.4

−1.3

−0.5

−1.3

0.1

21/24/27/303

−1.6

0.7 0.8

10

45

14

3.5

750

1

45

22.5

AVDD2/2

±2.2

3.3

4.3

6.6

1.6

1.3

1.0

5.7

4.5

3.4

164

162

160

AD9674

Max

+100

Unit

LSB

dBFS

dBFS

dBc/√Hz

dBc

dBc

dBc

dBc

dBc

dB

dB

dB

+1.3

dB

dB

+1.3

dB

dB

dB

+1.6

V

0.9

V

MΩ

dB

dB/V

dB

ns

10

MHz

Degrees

Degrees

V

±2.5

mA

mA/V

mA/V

mA/V

nV/√Hz

nV/√Hz

nV/√Hz

dB

dB

dB

dBFS/√Hz

dBFS/√Hz

dBFS/√Hz

Share Link: