AD7699

Data Sheet

Rev. F | Page 4 of 32

SPECIFICATIONS

VDD = 4.5 V to 5.5 V, VREF = 4.096 to VDD, VIO = 1.8 V to VDD, all specifications TMIN to TMAX, unless otherwise noted.

Table 2.

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

RESOLUTION

16

Bits

ANALOG INPUT

Voltage Range

Unipolar mode

0

+VREF

V

Bipolar mode

−VREF/2

+VREF/2

V

Absolute Input Voltage

Positive input, unipolar and bipolar modes

−0.1

VREF + 0.1

V

Negative or COM input, unipolar mode

−0.1

+0.1

V

Negative or COM input, bipolar mode

VREF/2 − 0.1

VREF/2

VREF/2 + 0.1

V

Analog Input CMRR

fIN = 250 kHz

68

dB

Leakage Current at 25°C Input

Impedance1

Acquisition phase

1

nA

THROUGHPUT

Conversion Rate

Full Bandwidth2

0

500

kSPS

¼ Bandwidth2

0

125

kSPS

Transient Response

Full-scale step, full bandwidth

400

ns

Full-scale step, ¼ bandwidth

1600

ns

ACCURACY

No Missing Codes

16

Bits

Integral Linearity Error

LFCSP

−1.5

±0.5

+1.5

LSB3

WLCSP

−2.5

±0.5

+2.5

LSB3

Differential Linearity Error

−1

±0.25

+1.5

LSB

Transition Noise

REF = VDD = 5 V

0.5

LSB

Gain Error4

All modes

−10

±1

+10

LSB

Gain Error Match

LFCSP

−3

±1

+3

LSB

WLCSP

−5

±1

+5

LSB

Gain Error Temperature Drift

±0.3

ppm/°C

Offset Error4

All modes

LFCSP

−10

±1

+10

LSB

WLCSP

−12

±1

+12

LSB

Offset Error Match

LFCSP

−3

±1

+3

LSB

WLCSP

−11

±1

+11

LSB

Offset Error Temperature Drift

±0.3

ppm/°C

Power Supply Sensitivity

VDD = 5 V ± 5%

±1.5

LSB

AC Accuracy

Dynamic Range

93.3

dB5

Signal-to-Noise

LFCSP

fIN = 20 kHz, VREF = 5 V

92

92.5

dB

WLCSP

fIN = 20 kHz, VREF = 5 V

90

92.5

dB

LFCSP

fIN = 20 kHz, VREF = 4.096 V internal REF

89.5

91.5

dB

WLCSP

fIN = 20 kHz, VREF = 4.096 V internal REF

89

91.5

dB

SINAD

LFCSP

fIN = 20 kHz, VREF = 5 V

90

91.5

dB

WLCSP

fIN = 20 kHz, VREF = 5 V

89

91.5

dB

fIN = 20 kHz, VREF = 5 V, −60 dB input

33.5

dB

LFCSP

fIN = 20 kHz, VREF = 4.096 V internal REF

89

90.5

dB

WLCSP

fIN = 20 kHz, VREF = 4.096 V internal REF

88

90.5

dB