AD7723BS-REEL Ver la hoja de datos (PDF) - Analog Devices

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AD7723BS-REEL

0.3-7V; 16-bit, 1.2MSPS CMOS, sigma-delta ADC

Analog Devices 

AD7723

Parameter

Low-Pass Decimate by 16

0 kHz to fCLKIN/41.75

fCLKIN/33.45

fCLKIN/32

fCLKIN/25.95 to fCLKIN/2

Group Delay

Settling Time

Band-Pass Decimate by 32

fCLKIN/51.90 to fCLKIN/41.75

fCLKIN/62.95, fCLKIN/33.34

fCLKIN/64, fCLKIN/32

0 kHz to fCLKIN/83.5, fCLKIN/25.95 to fCLKIN/2

Group Delay

Settling Time

Output Data Rate, FO

Decimate by 32

Decimate by 166

ANALOG INPUTS

Full-Scale Input Span

Bipolar Mode

Unipolar Mode

Absolute Input Voltage

Input Sampling Capacitance

Input Sampling Rage, fCLKIN

CLOCK

CLKIN Duty Ratio

REFERENCE

REF1 Output Resistance

Using Internal Reference

REF2 Output Voltage

REF2 Output Voltage Drift

Using External Reference

REF2 Input Impedance

REF2 External Voltage Range

STATIC PERFORMANCE

Resolution

Differential Nonlinearity

Integral Nonlinearity

DC CMRR

Offset Error

Gain Error5

LOGIC INPUTS (EXCLUDING CLKIN)

VINH, Input High Voltage

VINL, Input High Voltage

CLOCK INPUT (CLKIN)

VINH, Input High Voltage

VINL, Input High Voltage

ALL LOGIC INPUTS

IIN, Input Current

CIN, Input Capacitance

Test Conditions/Comments

VIN(+) − VIN(−)

VIN(+) − VIN(−)

REF1 = AGND

Guaranteed monotonic

VIN = 0 V to DVDD

Rev. C | Page 4 of 32

B Version

Min Typ

Max

±0.001

−3

−6

−90

541/2 fCLKIN

541/fCLKIN

±0.001

−3

−6

−90

1293/2 fCLKIN

1293/fCLKIN

fCLKIN/32

fCLKIN/16

Unit

dB

dB

dB

dB

dB

dB

dB

dB

0

AGND

2

45

3

2.39 2.54

60

4

1.2

2.5

16

±0.5

±2

80

±20

±0.5

2.0

3.8

±4/5 × VREF2

8/5 × VREF2

AVDD

19.2

V

V

V

pF

MHz

55

%

kΩ

2.69

V

ppm/°C

kΩ

3.15

V

Bits

±1

LSB

LSB

dB

mV

% FSR

V

0.8

V

V

0.4

V

±10

µA

10

pF

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