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AD7477AARM Datasheet(PDF) 12 Page - Analog Devices

Part # AD7477AARM
Description  2.35 V to 5.25 V, 1 MSPS, 12-/10-/8-Bit ADCs in 6-Lead SC70
PDF  24 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD7477AARM Datasheet(HTML) 12 Page - Analog Devices

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REV. C
–12–
AD7476A/AD7477A/AD7478A
FREQUENCY – kHz
5
–55
–115
0
500
50
100
150
200
250
300
350
400
450
–15
–35
–75
–95
8192 POINT FFT
VDD = 2.7V
fSAMPLE = 1MSPS
fIN = 100kHz
SINAD = 72.05dB
THD = –82.87dB
SFDR = –87.24dB
TPC 1. AD7476A Dynamic Performance at 1 MSPS
FREQUENCY – kHz
–45
–105
–5
–25
–65
–85
8192 POINT FFT
VDD = 2.35V
fSAMPLE = 1MSPS
fIN = 100kHz
SINAD = 61.67dB
THD = –79.59dB
SFDR = –82.93dB
0
500
50
100
150
200
250
300
350
400
450
TPC 2. AD7477A Dynamic Performance at 1 MSPS
FREQUENCY – kHz
5
–25
–55
–5
–15
–35
–45
8192 POINT FFT
VDD = 2.35V
fSAMPLE = 1MSPS
fIN = 100kHz
SINAD = 49.77dB
THD = –75.51dB
SFDR = –70.71dB
0
500
50
100
150
200
250
300
350
400
450
–75
–65
–85
–95
TPC 3. AD7478A Dynamic Performance at 1 MSPS
FREQUENCY – kHz
–66
–69
–72
10
1000
100
–67
–68
–70
–71
–73
–74
VDD = 5.25V
VDD = 2.35V
VDD = 2.7V
VDD = 4.75V
VDD = 3.6V
TPC 4. AD7476A SINAD vs. Input Frequency at 1 MSPS
TPC 1, TPC 2, and TPC 3 each show a typical FFT plot for the
AD7476A, AD7477A, and AD7478A, respectively, at a 1 MSPS
sample rate and 100 kHz input frequency.
TPC 4 shows the signal-to-(noise + distortion) ratio performance
versus the input frequency for various supply voltages while sampling
at 1 MSPS with an SCLK frequency of 20 MHz for the AD7476A.
TPC 5 and TPC 6 show INL and DNL performance for the
AD7476A.
TPC 7 shows a graph of the total harmonic distortion versus the
analog input frequency for different source impedances when
using a supply voltage of 3.6 V and sampling at a rate of 1 MSPS
(see Analog Input section).
TPC 8 shows a graph of the total harmonic distortion versus the
analog input signal frequency for various supply voltages while
sampling at 1 MSPS with an SCLK frequency of 20 MHz.
–Typical Performance Characteristics



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