AD7622BSTZ datasheet(3/28 Pages) AD

3 / 28 page

AD7622

Rev. 0 | Page 3 of 28

SPECIFICATIONS

AVDD = DVDD = 2.5 V; OVDD = 2.3 V to 3.6 V; VREF = 2.5 V; all specifications TMIN to TMAX, unless otherwise noted.

Table 2.

Parameter

Conditions

Min

Typ

Max

Unit

RESOLUTION

Bits

ANALOG INPUT

Voltage Range

VIN+ − VIN−

−VREF

+VREF

Operating Input Voltage

VIN+, VIN− to AGND

−0.1

AVDD1

Analog Input CMRR

fIN = 100 kHz

Input Current

2 MSPS throughput

3.5

μA

Input Impedance2

THROUGHPUT SPEED

Complete Cycle

Wideband warp, warp modes

500

Throughput Rate

Wideband warp, warp modes

0.001

MSPS

Time Between Conversions

Wideband warp, warp modes

Complete Cycle

Normal mode

667

Throughput Rate

Normal mode

1.5

MSPS

DC ACCURACY

Integral Linearity Error3

TMIN to TMAX = −40°C to +85°C

−1.5

±0.5

+1.5

LSB4

No Missing Codes

Bits

Differential Linearity Error

−1

+1.25

LSB

Transition Noise

VREF = 2.5 V

0.5

LSB

Transition Noise

VREF = 2.048 V

0.6

LSB

Zero Error, TMIN to TMAX5

−10

+10

LSB

Zero Error Temperature Drift

±0.5

ppm/°C

Gain Error, TMIN to TMAX5

−8

LSB

Gain Error Temperature Drift

±0.5

ppm/°C

Power Supply Sensitivity

AVDD = 2.5 V ± 5%

±4

LSB

AC ACCURACY

Dynamic Range

VREF = 2.5 V

91.5

92.5

dB6

Signal-to-Noise

fIN = 20 kHz, VREF = 2.5 V

fIN = 20 kHz, VREF = 2.048 V

89.5

90.5

fIN = 100 kHz, VREF = 2.5 V

Spurious-Free Dynamic Range

fIN = 20 kHz, VREF = 2.5 V

117

fIN = 20 kHz, VREF = 2.048 V

110

fIN = 100 kHz, VREF = 2.5 V

101

Total Harmonic Distortion

fIN = 20 kHz, VREF = 2.5 V

−115

fIN = 20 kHz, VREF = 2.048 V

−109

fIN = 100 kHz, VREF = 2.5 V

−100

Signal-to-(Noise + Distortion)

fIN = 20 kHz, VREF = 2.5 V

fIN = 20 kHz, VREF = 2.048 V

89.5

90.5

fIN = 100 kHz, VREF = 2.5 V

−3 dB Input Bandwidth

MHz

SAMPLING DYNAMICS

Aperture Delay

Aperture Jitter

ps rms

Transient Response

Full-scale step

140

INTERNAL REFERENCE

PDREF = PDBUF = low

Output Voltage

REF @ 25°C

2.038

2.048

2.058

Temperature Drift

−40°C to +85°C

±8

ppm/°C

Line Regulation

AVDD = 2.5 V ± 5%

±15

ppm/V

Turn-On Settling Time

CREF = 10 μF

AD7622BSTZ Scheda tecnica(PDF) 3 Page - Analog Devices

AD7622BSTZ Scheda tecnica(HTML) 3 Page - Analog Devices

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28

Scheda tecnica Scarica

Link URL