(VS = 3.3 V ꢁ10%, fOSCIN = 32 MHz, fDAC = 128 MHz, Gain = –6 dB, RSET = 4.02 kꢂ,
100 ꢂ DAC single-ended load, unless otherwise noted. )
AD9876–SPECIFICATIONS
Test
Parameter
Temp
Level
Min
Typ
Max
Unit
OSCIN CHARACTERISTICS
Frequency Range
Duty Cycle
Input Capacitance
Input Impedance
Full
Full
25°C
25°C
II
II
III
III
10
40
64
60
MHz
%
pF
50
3
100
M⍀
CLOCK OUTPUT CHARACTERISTICS
CLK A Jitter (fCLKA Derived from PLL)
CLK A Duty Cycle
CLK B Jitter (fCLKB Derived from PLL)
CLK B Duty Cycle
25°C
25°C
25°C
25°C
III
III
III
III
14
50
33
50
ps rms
%
ps rms
%
5
5
Tx CHARACTERISTICS
Tx Path Latency, 4× Interpolation
Interpolation Filter Bandwidth (–0.1 dB)
4× Interpolation, LPF
Full
II
86
fDAC Cycles
Full
Full
II
II
13
26
MHz
MHz
2× Interpolation, LPF
TxDAC
Resolution
Conversion Rate
Full
Full
Full
Full
Full
Full
Full
25°C
25°C
25°C
II
II
II
II
II
II
III
III
III
III
12
10
Bits
MHz
mA
V
% FS
10
2
–0.5
–5
0
128
20
+1.5
+5
5
Full-Scale Output Current
Voltage Compliance Range
Gain Error
Output Offset (Single-Ended)
Differential Nonlinearity
Integral Nonlinearity
Output Capacitance
Phase Noise @ 1 kHz Offset, 10 MHz Signal
Signal-to-Noise and Distortion (SINAD)
2
2
1
µA
LSB
LSB
pF
2
5
–100
dBc/Hz
10 MHz Analog Out AD9876 (20 MHz BW) Full
I
62.5
65
dB
Wideband SFDR (to Nyquist, 64 MHz Max)
5 MHz Analog Out
10 MHz Analog Out
Narrow-Band SFDR (3 MHz Window):
10 MHz Analog Out
IMD (f1 = 6.9 MHz, f2 = 7.1 MHz)
25°C
25°C
25°C
III
III
III
80
74
dBc
dBc
25°C
25°C
III
III
88
–80
dBc
dBFS
Rx PATH CHARACTERISTICS
Resolution
Conversion Rate
NA
Full
NA
NA
II
NA
12
Bits
MHz
Cycles
7.5
64
Pipeline Delay, ADC Clock Cycles
5.5
DC Accuracy
Differential Nonlinearity
Integral Nonlinearity
Full
Full
II
II
–1.0
–4.5
0.25
0.5
+1.0
+3.5
LSB
LSB
Dynamic Performance (ADC Clocked Direct)
(AIN = –0.5 dBFS, f = 5 MHz)
@ fOSCIN = 32 MHz
Signal-to-Noise and Distortion Ratio (SINAD)
Effective Number of Bits (ENOB)
Signal-to-Noise Ratio (SNR)
Total Harmonic Distortion (THD)
Spurious-Free Dynamic Range (SFDR)
Dynamic Performance (ADC Clocked, PLLB/2)
Full
Full
25°C
25°C
25°C
I
I
III
III
III
60.8
9.8
63.2
10.2
64
–70
72
dB
Bits
dB
dB
dB
(AIN = –0.5 dBFS, f = 5 MHz
)
@ FPLLB/2 = 50 MHz
Signal-to-Noise and Distortion Ratio (SINAD)
Effective Number of Bits (ENOB)
Signal-to-Noise Ratio (SNR)
Total Harmonic Distortion (THD)
Spurious-Free Dynamic Range (SFDR)
25°C
25°C
25°C
25°C
25°C
III
III
III
III
III
56
9.3
59
–63
68
dB
Bits
dB
dB
dB
–2–
REV. A