AD7694ARM datasheet(3/16 Pages) AD

3 / 16 page

AD7694

Rev. A | Page 3 of 16

SPECIFICATIONS

VDD = 2.7 V to 5.25 V; VREF = VDD; TA = –40°C to +85°C, unless otherwise noted.

Table 2.

A Grade

B Grade

Parameter

Conditions

Min

Typ

Max

Min

Typ

Max

Unit

RESOLUTION

Bits

ANALOG INPUT

Voltage Range

IN+ − IN−

VREF

Absolute Input Voltage

IN+

−0.1

VDD + 0.1

−0.1

VDD + 0.1

IN−

−0.1

+0.1

−0.1

+0.1

Leakage Current at 25°C

Acquisition phase

Input Impedance

See the Analog Input section

ACCURACY

No Missing Codes

Bits

Integral Linearity Error

−6

−4

LSB

Transition Noise

REF = VDD = 5 V

0.5

LSB

Gain Error1, TMIN to TMAX

±2

±30

±2

±15

LSB

Gain Error Temperature Drift

±0.3

ppm/°C

Offset Error1, TMIN to TMAX

±0.7

±3.5

±0.7

±3.5

Offset Temperature Drift

±0.3

ppm/°C

Power Supply Sensitivity

VDD = 5 V

± 5%

±0.05

LSB

THROUGHPUT

Conversion Rate

VDD = 4.75 V to 5.25 V

250

kSPS

VDD = 2.7 V to 4.75 V

150

kSPS

AC ACCURACY

Signal-to-Noise

fIN = 20 kHz, VREF = 5 V

dB2

fIN = 20 kHz, VREF = 2.5 V

Spurious-Free Dynamic Range

fIN = 20 kHz

−100

−106

Total Harmonic Distortion

fIN = 20 kHz

−100

−106

Signal-to-(Noise + Distortion)

fIN = 20 kHz, VREF = 5 V

fIN = 20 kHz, VREF = 2.5 V

1 See the Terminology section. These specifications include full temperature range variation, but do not include the error contribution from the external reference.

2 All specifications in dB refer to a full-scale input, FS. Tested with an input signal at 0.5 dB below full scale, unless otherwise specified.

AD7694ARM датащи(PDF) 3 Page - Analog Devices

AD7694ARM датащи(HTML) 3 Page - Analog Devices

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

датащи скачать

ссылки URL