AD9878 查看數據表（PDF） - Analog Devices
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AD9878 Datasheet PDF : 36 Pages
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AD9878
ELECTRICAL CHARACTERISTICS
VAS = 3.3 V ± 5%, VDS = 3.3 V ± 10%, fOSCIN = 27 MHz, fSYSCLK = 216 MHz, fMCLK = 54 MHz (M = 8), ADC clock derived from OSCIN,
RSET = 4.02 kΩ, maximum. Fine gain, 75 Ω DAC load.
Table 1.
PARAMETER
OSCIN and XTAL CHARACTERISTICS
Frequency Range
Duty Cycle
Input Impedance
MCLK Cycle-to-Cycle Jitter (fMCLK derived from PLL)
Tx DAC CHARACTERISTICS
Maximum Sample Rate
Resolution
Full-Scale Output Current
Gain Error (Using Internal Reference)
Offset Error
Reference Voltage (REFIO Level)
Differential Nonlinearity (DNL)
Integral Nonlinearity (INL)
Output Capacitance
Phase Noise @ 1 kHz Offset, 42 MHz Carrier
Output Voltage Compliance Range
Wideband SFDR
5 MHz Analog Output, IOUT = 10 mA
65 MHz Analog Output, IOUT = 10 mA
Narrow-Band SFDR (±1 MHz Window)
5 MHz Analog Output, IOUT = 10 mA
65 MHz Analog Output, IOUT = 10 mA
Tx MODULATOR CHARACTERISTICS
I/Q Offset
Pass-Band Amplitude Ripple (f < fIQCLK/8)
Pass-Band Amplitude Ripple (f < fIQCLK/4)
Stop-Band Response (f > fIQCLK × 3/4)
Tx GAIN CONTROL
Gain Step Size
Gain Step Error
Settling Time, 1% (Full-Scale Step)
10-BIT ADC CHARACTERISTICS
Resolution
Maximum Conversion Rate
Pipeline Delay
Analog Input
Input Voltage Range
Differential Input Impedance
Full Power Bandwidth
Dynamic Performance (AIN = −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, REFT10 to REFB10 (1.0 V)
Temp Test Level Min
Full
II
3
25°C II
35
25°C III
25°C III
Full
II
232
N/A
N/A
Full
II
4
25°C I
−2.0
25°C I
25°C I
1.18
25°C III
25°C III
25°C III
25°C III
Full
II
−0.5
Full
II
62.4
Full
II
50.3
Full
II
71
Full
II
61
Full
II
50
Full
II
Full
II
Full
II
25°C III
25°C III
25°C III
N/A
N/A
Full
II
29
N/A
N/A
Full
II
25°C III
25°C III
Full
II
57.6
Full
II
9.3
Full
II
Full
II
65.7
Full
I
Typ
50
100||3
6
12
10
−1
±1.0
1.23
±2.5
±8
5
−110
68
53.5
74
64
55
0.5
<0.05
1.8
10
4.5
2
4||2
90
59.7
9.6
−71.1
72.4
±4
Max
29
65
20
+2.0
1.28
+1.5
±0.1
±0.5
−63
−63.6
±100
Unit
MHz
%
MΩ||pF
ps rms
MHz
Bits
mA
% FS
% FS
V
LSB
LSB
pF
dBc/Hz
V
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
µs
Bits
MHz
ADC cycles
VPPD
kΩ||pF
MHz
dB
Bits
dB
dB
mV
Rev. A | Page 4 of 36
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