AD9866 Analog Devices, AD9866 Datasheet - Page 12

• Manufacturer Part Number: AD9866
• Manufacturer: Analog Devices

Specifications of AD9866

• Resolution (bits): 12bit
• # Chan: 1
• Sample Rate: 80MSPS
• Interface: Nibble
• Analog Input Type: Diff-Uni
• Ain Range: 6.3 V p-p,8 mV p-p
• Adc Architecture: Pipelined
• Pkg Type: CSP

AD9866
TYPICAL PERFORMANCE CHARACTERISTICS
Rx PATH TYPICAL PERFORMANCE CHARACTERISTICS
AVDD = CLKVDD = DVDD = DRVDD = 3.3 V, f
RIN = 50 Ω, half- or full-duplex interface, default power bias settings.
66
63
60
57
54
51
48
45
–100
–110
–120
–130
–100
–30
–40
–50
–60
–70
–80
–90
–21
–10
–20
–30
–40
–50
–60
–70
–80
–90
Figure 4. Spectral Plot with 4k FFT of 84-Carrier DMT Signal
10
Figure 5. SINAD and THD vs. Input Amplitude and Supply
with PAR = 10.2 dB, P
0
0
0
Figure 3. Spectral Plot with 4k FFT of Input Sinusoid
(f
–18
IN
= 8 MHz, LPF f
SINAD @ 3.14V
SINAD @ 3.3V
SINAD @ 3.46V
with RxPGA = 0 dB and P
5
–15
6.25
INPUT AMPLITUDE (dBFS)
IN
FREQUENCY (MHz)
(0dBFS = 2V p-p)
FREQUENCY (MHz)
−3 dB
–12
= −33.7 dBm, and RxPGA = 36 dB
10
FUND = –1dBFS
SINAD = 61.9dBFS
ENOB = 10BITS
SNR = 64.5dBFS
THD = –65.4dBFS
SFDR = –64.9dBc (THIRD HARMONIC)
RBW = 12.21kHz
= 26 MHz; Rx PGA = 0 dB)
THD @ 3.14V
THD @ 3.3V
THD @ 3.46V
12.50
–9
15
IN
= 9 dBm
–6
18.75
RBW = 12.2kHz
20
–3
OSCIN
0
= f
25.00
–50
–56
–62
–68
–74
–80
–86
–92
25
ADC
Rev. B | Page 12 of 48
= 50 MSPS, low-pass filter’s f
65
62
59
56
53
50
47
44
41
65
62
59
56
53
50
47
44
–55
–60
–65
–70
–75
–80
–85
–6
–6
–6
Figure 6. SINAD/ENOB vs. RxPGA Gain and Frequency
Figure 8. SINAD/THD Performance vs. RxPGA Gain
0
0
Figure 7. THD vs. RxPGA Gain and Frequency
0
−3 dB
1MHz
5MHz
10MHz
15MHz
20MHz
THD @ +25°C
THD @ +85°C
THD @ –40°C
6
6
and Temperature ( f
6
= 22 MHz, AIN = −1 dBFS,
12
12
12
RxPGA GAIN (dB)
RxPGA GAIN (dB)
RxPGA GAIN (dB)
18
18
18
24
24
24
IN
= 5 MHz)
30
30
30
SINAD @ +25°C
SINAD @ +85°C
SINAD @ –40°C
36
36
36
1MHz
5MHz
10MHz
15MHz
20MHz
42
42
42
48
48
10.5
10.0
9.5
9.0
8.5
8.0
7.5
7.0
6.5
48
–45
–50
–55
–60
–65
–70
–75
–80