
AD9877
Rev. B | Page 5 of 36
Parameter
Dynamic Performance (A
IN
= 0.5 dBFS, f = 5 MHz)
Signal-to-Noise and Distortion (SINAD)
Effective Number of Bits (ENOB)
Total Harmonic Distortion (THD)
Spurious-Free Dynamic Range (SFDR)
Reference Voltage Error
REFT8 to REFB8 (0.5 V)
12-BIT ADC CHARACTERISTICS
Resolution
Conversion Rate
Pipeline Delay
Analog Input
Input Voltage Range
Differential Input Impedance
Aperture Delay
Aperture Uncertainty (Jitter)
Full-Power Bandwidth
Input Referred Noise
Reference Voltage Error
REFT12 to REFB12 (1 V)
Dynamic Performance (A
IN
= 0.5 dBFS, f = 5 MHz)
ADC Sample Clock = OSCIN
Signal-to-Noise and Distortion (SINAD)
Effective Number of Bits (ENOBs)
Signal-to-Noise Ratio (SNR)
Total Harmonic Distortion (THD)
Spurious-Free Dynamic Range (SFDR)
ADC Sample Clock = PLL
Signal-to-Noise and Distortion (SINAD)
Effective Number of Bits (ENOBs)
Signal-to-Noise Ratio (SNR)
Total Harmonic Distortion (THD)
Spurious-Free Dynamic Range (SFDR)
Dynamic Performance (A
IN
= 0.5 dBFS, f = 50 MHz)
ADC Sample Clock = OSCIN
Signal-to-Noise and Distortion (SINAD)
Effective Number of Bits (ENOB)
Signal-to-Noise Ratio (SNR)
Total Harmonic Distortion (THD)
Spurious-Free Dynamic Range (SFDR)
Differential Phase
Differential Gain
CHANNEL-TO-CHANNEL ISOLATION
Tx DAC-to-ADC Isolation (5 MHz Analog Output)
Isolation Between Tx and 8-Bit ADCs
Isolation Between Tx and 12-Bit ADCs
ADC-to-ADC Isolation
(A
IN
= 0.5 dBFS, f = 5 MHz)
Isolation Between I/Q in and IF12
Isolation Between Q and I Inputs
Temp
25°C
25°C
25°C
25°C
25°C
N/A
Full
N/A
Full
25°C
25°C
25°C
25°C
25°C
25°C
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
25°C
25°C
25°C
25°C
25°C
25°C
Test
Level
I
I
I
I
I
N/A
II
N/A
III
III
III
III
III
III
I
II
II
II
II
II
II
II
II
II
II
II
II
II
II
II
III
III
III
III
III
III
Min
40.8
6.5
52.0
100
200
63.2
10.2
63.7
72.5
62.0
10.0
62.5
71.0
61.1
9.9
61.5
69.9
Typ
47.3
7.6
60.1
63.0
±10
12
5.5
2
4||2
2.0
1.2
85
75
±16
65.9
10.7
66.2
79.1
79.3
64.6
10.4
64.8
78
78.9
63.1
10.2
63.3
77
79.6
<0.1
<1
80
90
70
65
Max
50.0
+100
33
±200
68.3
67.8
67.9
Unit
dB
Bits
dB
dB
mV
Bits
MHz
ADC cycles
Vppd
kΩ||pF
ns
ps rms
MHz
μV
mV
dB
Bits
dB
dB
dB
dB
Bits
dB
dB
dB
dB
Bits
dB
dB
dB
Degrees
LSB
dB
dB
dB
dB