ADA2200ARUZ datasheet(4/25 Pages) AD

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Data Sheet

ADA2200

SPECIFICATIONS

VDD = 3.3 V, VOCM = VDD/2, fCLKIN = fSI = 500 kHz, default register configuration, differential input/output, RL = 1 MΩ to GND, TA = 25°C,

unless otherwise noted.

Table 1.

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

SYNCHRONOUS DEMODULATION

Measurements are cycle mean values,1

4 V p-p differential, fIN = 7.8125 kHz

Conversion Gain1

1.02

1.055

1.09

V/V rms

Average Temperature Drift

ppm/°C

Output Offset, Shorted Inputs

−39

+39

Average Temperature Drift

6.5

μV/°C

Power Supply Sensitivity

Change in output over change in VDD

0.5

mV/V

Measurement Noise

Input signal at 83°θREL1

240

μV rms

Phase Delay (°θDELAY)1

Input signal relative to RCLK

°θREL

Average Temperature Drift

μ°θREL/°C

Phase Measurement Noise

Input signal at 83°θREL

9.3

m°θREL rms

Shorted Input Noise

0.1 Hz to 10 Hz

300

μV p-p

Common-Mode Rejection2

0 kHz to 1 kHz offset from fMOD

Demodulation Signal Bandwidth

fCLKIN = 1 MHz

kHz

INPUT CHARACTERISTICS

Input Voltage Range

INP or INN to GND

0.3

VDD − 0.3

Common-Mode Input Voltage Range

4 V p-p differential input

VOCM − 0.2

VOCM + 0.2

Single-Ended Input Voltage Range

Reference Input

VOCM − 0.2

VOCM + 0.2

Signal Input

VOCM − 1.0

VOCM + 1.0

Input Impedance3

INP to INN

kΩ

Input Signal Bandwidth (−3 dB)

Input sample and hold circuit

MHz

OUTPUT CHARACTERISTICS

Each output, RL = 10 kΩ to GND

Output Voltage Range

0.3

VDD − 0.3

Short-Circuit Current

OUTP or OUTN to GND

Common-Mode Output (VOCM)

Voltage

1.63

1.65

1.67

Average Temperature Drift

μV/°C

Output Settling Time, to 0.1% of Final

Value

3.7 V output step, RLOAD = 10 kΩ||10 pF,

fCLKIN = 125 kHz

μs

DEFAULT FILTER CHARACTERISTICS

Mixing disabled, VIN = 4 V p-p differential

Center Frequency (fC)

fC = fSO/8

7.8125

kHz

Quality Factor (Q)

fC/(filter 3 dB bandwidth)

1.9

Hz/ΔHz

Pass Band Gain

fIN = 7.8125 kHz

1.05

V/V

TOTAL HARMONIC DISTORTION (THD)

Filter configuration = LPF at fNYQ/6, fIN =

850 Hz, VIN = 4 V p-p differential input

Second Through Fifth Harmonics

−80

dBc

CLOCKING CHARACTERISTICS

CLKIN Frequency Range (fCLKIN)

TA = −40°C to +85°C

CLKIN DIV[2:0] = 256

2.56

MHz

CLKIN DIV[2:0] = 64

0.64

MHz

CLKIN DIV[2:0] = 16

0.16

MHz

CLKIN DIV[2:0] = 1

0.01

MHz

Maximum CLKIN Frequency

While booting from EEPROM

12.8

MHz

Rev. 0 | Page 3 of 24

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