AD7683ARMRL7 datasheet(4/16 Pages) AD

Part #	AD7683ARMRL7

Description	16-Bit, 100 kSPS PulSAR ADC in MSOP/QFN

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AD7683

Rev. 0 | Page 4 of 16

VDD = 5 V; VREF = VDD; TA = –40°C to +85°C, unless otherwise noted.

Table 3.

A Grade

B Grade

Parameter

Conditions

Min

Typ

Max

Min

Typ

Max

Unit

ACCURACY

No Missing Codes

15

16

Bits

Integral Linearity Error

−6

±3

+6

−3

±1

+3

LSB

Transition Noise

0.5

LSB

Gain Error1, TMIN to TMAX

±2

±24

±2

±15

LSB

Gain Error Temperature Drift

±0.3

ppm/°C

Offset Error

1

, TMIN to TMAX

±0.7

±1.6

±0.4

±1.6

mV

Offset Temperature Drift

±0.3

ppm/°C

Power Supply Sensitivity

VDD = 5 V

±5%

±0.05

LSB

AC ACCURACY

Signal-to-Noise

fIN = 1 kHz

90

88

91

dB2

Spurious-Free Dynamic Range

fIN = 1 kHz

−100

−108

dB

Total Harmonic Distortion

fIN = 1 kHz

−100

−106

dB

Signal-to-(Noise + Distortion)

fIN = 1 kHz

90

88

91

dB

Effective Number of Bits

fIN = 1 kHz

14.7

14.8

Bits

1 See the

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

Terminology

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

VDD = 2.7 V; VREF = 2.5V; TA = –40°C to +85°C, unless otherwise noted.

Table 4.

A Grade

B Grade

Parameter

Conditions

Min

Typ

Max

Min

Typ

Max

Unit

ACCURACY

No Missing Codes

15

16

Bits

Integral Linearity Error

−6

±3

+6

−3

±1

+3

LSB

Transition Noise

0.85

LSB

Gain Error1, TMIN to TMAX

±2

±30

±2

±15

LSB

Gain Error Temperature Drift

±0.3

ppm/°C

Offset Error

1

, TMIN to TMAX

±0.7

±3.5

±0.7

±3.5

mV

Offset Temperature Drift

±0.3

ppm/°C

Power Supply Sensitivity

VDD = 2.7 V

±5%

±0.05

LSB

AC ACCURACY

Signal-to-Noise

fIN = 1 kHz

85

86

dB2

Spurious-Free Dynamic Range

fIN = 1 kHz

−96

−100

dB

Total Harmonic Distortion

fIN = 1 kHz

−94

−98

dB

Signal-to-(Noise + Distortion)

fIN = 1 kHz

85

86

dB

Effective Number of Bits

fIN = 1 kHz

13.8

14

Bits

1 See the

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

Terminology

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

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