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AD4084BBCZ Datasheet(PDF) 3 Page - Analog Devices

Part # AD4084BBCZ
Description  16-Bit, 20 MSPS, Differential SAR ADC
PDF  94 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD4084BBCZ Datasheet(HTML) 3 Page - Analog Devices

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Data Sheet
AD4084
SPECIFICATIONS
analog.com
Rev. 0 | 3 of 94
VDD33 = 3.3V ± 5%, VDDLDO = 1.5V to 2.7V, VDD11 = 1.1V ± 5%, IOVDD = 1.1V − 5% to 1.2V + 5%, voltage reference input (VREFIN) = 3.0V,
sampling frequency (fS) = 20MHz, and TA = TMIN to TMAX, unless otherwise noted.
Table 1. Specifications
Parameter
Test Conditions/Comments
Min
Typ
Max
Unit
RESOLUTION
16
Bits
ANALOG INPUT
Absolute Operating Input Voltage
Voltage at input, referred to GND
−0.1
VDD33 + 0.1
V
Differential Input Voltage Range
IN+ voltage − IN− voltage
−VREFIN
+VREFIN
V
Common-Mode Input Range
VREFIN/2 − 0.05
VREFIN/2
VREFIN/2 + 0.05
V
DC PERFORMANCE
No Missing Codes
16
Bits
Differential Nonlinearity (DNL)
±0.08
±0.99
LSB
Integral Nonlinearity (INL)
±6
±10
ppm
Transition Noise
0.52
LSB RMS
Gain Error
TA = 25°C
0.0024
±0.035
%FS
Gain Error Drift
TA = −40°C to +85°C
0.27
ppm/°C
Zero Error
TA = 25°C
75
μV
Zero-Error Drift
TA = −40°C to +85°C
0.03
ppm/°C
Power Supply Rejection
VDD33 = 3.3V ± 5%
-89
dB
VDD11 = 1.1V ± 5%
-68
dB
Low Frequency Noise
Bandwidth = 0.1Hz to 10Hz
273
nV RMS
AC PERFORMANCE
Dynamic Range
93.1
dB
Noise Spectral Density (NSD)
−163
dBFS/Hz
Total RMS Noise
Bandwidth = 10MHz
47.4
μV RMS
Signal-to-Noise Ratio (SNR)
Voltage magnitude (VMAG) = −0.5dBFS, input
frequency (fIN) = 1kHz
91.7
92.6
dB
VMAG = −1dBFS, fIN = 1 MHz
92.4
dB
Sinc5 + compensation filter, decimate by 8, VMAG =
−0.5dBFS, fIN = 1kHz,
96.5
96.8
dB
Total Harmonic Distortion (THD)
VMAG = −0.5dBFS, fIN = 1kHz
−115.2
−107.1
dB
VMAG = −1dBFS, fIN = 1MHz
-103.5
dB
Signal-to-Noise-and-Distortion (SINAD)
VMAG = −0.5dBFS, fIN = 1kHz
92.5
dB
VMAG = −0.5dBFS, fIN = 1MHz
92.1
dB
Spurious-Free Dynamic Range
VMAG = −0.5dBFS, fIN = 1kHz
125.8
dB
VMAG = −0.5dBFS, fIN = 1MHz
114.3
dB
−3dB Bandwidth
Input at IN+ and IN−, no external filter
272
MHz
Intermodulation Distortion (IMD)
Frequency A (fA) = 1.0MHz, Frequency B (fB) =
800kHz
Second-Order IMD (IMD2)
−96.2
dB
Third-Order IMD (IMD3)
−97.2
dB
Power Supply Rejection
Ripple voltage = 50mV p-p, f = 1kHz
VDD33
-92.6
dB
VDD11
−81.1
dB
REFERENCE INPUT
VREFIN Range
2.995
3.0
3.005
V
VREFIN Current
−0.3
+1
μA/MSPS
TA = 25°C
−7
+20
μA
VREFIN Leakage Current
Converter Idle
−2
+2
μA



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