Data Sheet

AD7383-4/AD7384-4

SPECIFICATIONS

analog.com

Rev. 0 | 4 of 33

VCC = 3.0 V to 3.6 V, VLOGIC = 1.65 V to 3.6 V, VREF = 2.5 V to 3.3 V, fSAMPLE = 4 MSPS, TA = −40°C to +125°C, and no oversampling enabled,

unless otherwise noted. SDOA, SDOB, SDOC, and SDOD are connected with 100 Ω series resistor.

Table 3. AD7384-4

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

RESOLUTION

14

Bits

THROUGHPUT

Conversion Rate

4

MSPS

DC ACCURACY

No Missing Codes

14

Bits

DNL Error

−0.9

±0.3

+0.9

LSB

INL Error

External reference = 3.3 V

−1.0

±0.35

+1.0

LSB

Internal reference

±0.5

LSB

Gain Error

External reference = 3.3 V

−0.07

±0.02

+0.07

% FS1

Internal reference

±0.01

Gain Error Drift

−2

±0.3

+2

ppm/°C

Gain Error Match

±0.03

+0.08

% FS

Zero Error

External reference = 3.3 V

−1.1

±0.1

+1.1

mV

Internal reference

±0.04

mV

Zero Error Temperature Drift

−5

±1

+5

μV/°C

Zero Error Match

0.2

+1.2

mV

AC ACCURACY

Input frequency (fIN) = 1 kHz

Dynamic Range

VREF = 3.3 V

84

dB

Internal reference = 2.5 V

83

dB

Oversampled Dynamic Range

OSR = 4×, RES = 1 (decimal)

90

dB

SNR

VREF = 3.3 V (external), VCC = 3.3 V

81.5

83.5

dB

Internal reference = 2.5 V

82.7

dB

Rolling average OSR = 8×, RES = 1 (decimal),

external reference

91.3

dB

fIN = 100 kHz

82.8

dB

SFDR

100

dB

THD

VREF = 3.3 V (external)

−98

dB

fIN = 100 kHz

−90

dB

SINAD

VREF = 3.3 V (external)

80.8

83.4

dB

82.4

dB

Channel to Channel Isolation

−110

dB

POWER SUPPLIES

IVCC

Normal mode (operational)

39

43

mA

Power Dissipation

PTOTAL

169

186.6

mW

PVCC

Normal mode (operational)

141.5

154.8

mW

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