AD4000BRMZ-RL7 datasheet(4/33 Pages) AD

No. de pieza	AD4000BRMZ-RL7

Descripción Electrónicos	16-Bit, 2 MSPS Precision Pseudo Differential ADC

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Data Sheet

AD4000

Rev. 0 | Page 3 of 32

SPECIFICATIONS

VDD = 1.8 V; VIO = 1.71 V to 5.5 V; VREF = 5 V; all specifications TMIN to TMAX, high-Z mode disabled, span compression disabled, and

turbo mode enabled, (fS = 2 MSPS), unless otherwise noted.

Table 1.

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

RESOLUTION

16

Bits

ANALOG INPUT

Voltage Range

VIN+ − VIN−

0

VREF

V

Operating Input Voltage

VIN+ to GND

−0.1

VREF + 0.1

V

VIN− to GND

−0.1

+0.1

V

Span compression enabled

0.1 × VREF

0.9 × VREF

V

Input Leakage Current

Acquisition phase, T = 25°C

0.3

nA

High-Z mode enabled, converting dc input

at 2 MSPS

1

µA

THROUGHPUT

Complete Cycle

500

ns

Conversion Time

290

320

ns

Acquisition Phase1

290

ns

Throughput Rate2

0

2

MSPS

Transient Response3

150

ns

DC ACCURACY

No Missing Codes

16

Bits

Integral Linearity Error

−1.0

±0.2

+1.0

LSB

T = 0°C to 85°C

−0.8

±0.2

+0.8

LSB

Differential Linearity Error

−0.5

±0.15

+0.5

LSB

Transition Noise

0.5

LSB

Zero Error

−4.5

+4.5

LSB

Zero Error Drift4

−0.55

+0.55

ppm/°C

Gain Error

−20

±3

+20

LSB

Gain Error Drift4

−0.92

+0.92

ppm/°C

Power Supply Sensitivity

VDD = 1.8 V ± 5%

0.5

LSB

1/f Noise5

Bandwidth = 0.1 Hz to 10 Hz

6

µV p-p

AC ACCURACY

Dynamic Range

93.5

dB

Total RMS Noise

37

µV rms

fIN = 1 kHz, −0.5 dBFS, VREF = 5 V

Signal-to-Noise Ratio (SNR)

91

93

dB

Spurious-Free Dynamic Range (SFDR)

112

dB

Total Harmonic Distortion (THD)

−115

dB

Signal-to-Noise-and-Distortion Ratio

(SINAD)

91

92.5

dB

Oversampled Dynamic Range

Oversampling ratio (OSR) = 256, VREF = 5 V

117

dB

fIN = 1 kHz, −0.5 dBFS, VREF = 2.5 V

SNR

85.5

87.5

dB

SFDR

115

dB

THD

−113

dB

SINAD

85.5

87

dB

fIN = 100 kHz, −0.5 dBFS, VREF = 5 V

SNR

90

dB

THD

−95

dB

SINAD

89

dB

fIN = 400 kHz, −0.5 dBFS, VREF = 5 V

SNR

85

dB

THD

−91

dB

SINAD

84

dB

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