(VA = 3.3 V ꢃ 5%, VD = 3.3 V ꢃ 10%, fDAC = 128 MHz, fADC = 64 MHz
Normal Timing Mode, 2ꢂ DLL Setting, RSET = 4 kꢄ, 50 ꢄ DAC Load,
RxPGA = +6 dB Gain, TxPGA = +20 dB Gain.)
AD9860/AD9862–SPECIFICATIONS
Test
AD9860/AD9862
Typ
Tx PARAMETERS
Temp
Level
Min
Max
Unit
12-/14-BIT DAC CHARACTERISTICS
Resolution
Maximum Update Rate
NA
NA
12/14
Bits
MSPS
mA
128
2
Full-Scale Output Current
Full
I
20
Gain Error (Using Internal Reference)
Offset Error
Reference Voltage (REFIO Level)
Negative Differential Nonlinearity (–DNL)
Positive Differential Nonlinearity (+DNL)
Integral Nonlinearity (INL)
25ºC
25ºC
25ºC
25ºC
25ºC
25ºC
25ºC
I
I
I
III
III
III
III
–5.5
–1
1.15
+0.5
0.0
1.22
–0.5/–0.5
1/2
±1/±3
5
+5.5
+1
1.28
%FS
%FS
V
LSB
LSB
LSB
pF
Output Capacitance
Phase Noise @ 1 kHz Offset, 6 MHz Tone
Crystal and OSC IN Multiplier Enabled at 4ꢀ
Output Voltage Compliance Range
25ºC
Full
III
II
–115
dBc/Hz
V
–0.5
+1.5
TRANSMIT TxPGA CHARACTERISTICS
Gain Range
Step Size Accuracy
Step Size
25ºC
25ºC
25ºC
III
III
III
20
±0.1
0.08
dB
dB
dB
Tx DIGITAL FILTER CHARACTERISTICS
Hilbert Filter Pass Band (<0.1 dB Ripple)
2ꢀ/4ꢀ Interpolator Stop Band2
1
Full
Full
II
II
12.5
38
±38
% fDATA
% fDATA
DYNAMIC PERFORMANCE (AOUT = 20 mA FS, f = 1 MHz)
Differential Phase
Differential Gain
25ºC
25ºC
Full
Full
Full
III
III
I
I
I
<0.1
<1
70.7
66.1
–74.5
Degree
LSB
dB
dB
dB
AD9860 Signal-to-Noise Ratio (SNR)
AD9860 Signal-to-Noise and Distortion Ratio
AD9860 Total Harmonic Distortion (THD)
AD9860 Wideband SFDR (to Nyquist)
1 MHz Analog Out, IOUT = 2 mA
1 MHz Analog Out, IOUT = 20 mA
6 MHz Analog Out, IOUT = 20 mA
AD9860 Narrowband SFDR (1 MHz Window)
1 MHz Analog Out, IOUT = 2 mA
1 MHz Analog Out, IOUT = 20 mA
AD9862 Signal-to-Noise Ratio (SNR)
AD9862 Signal-to-Noise and Distortion Ratio
AD9862 Total Harmonic Distortion (THD)
AD9862 Wideband SFDR (to Nyquist)
1 MHz Analog Out, IOUT = 2 mA
1 MHz Analog Out, IOUT = 20 mA
6 MHz Analog Out, IOUT = 20 mA
AD9862 Narrowband SFDR (1 MHz Window)
1 MHz Analog Out, IOUT = 2 mA
68.2
62.5
–64.0
25ºC
25ºC
25ºC
III
I
III
70.6
75
75
dBc
dBc
dBc
64.4
25ºC
25ºC
Full
Full
Full
III
I
I
I
I
70.2
90
72.0
69.8
–75.5
dBc
dBc
dB
dB
dB
83
68.9
64.75
–65.0
25ºC
25ºC
25ºC
III
I
III
70.6
76.0
76.0
dBc
dBc
dBc
64.9
83
25ºC
25ºC
III
I
70.2
90
dBc
dBc
1 MHz Analog Out, IOUT = 20 mA
Rx PARAMETERS
RECEIVE BUFFER
Input Resistance (Differential)
Input Capacitance (Each Input)
Maximum Input Bandwidth (–3 dB)
Analog Input Range (Best Noise Performance)
Analog Input Range (Best THD Performance)
Full
Full
Full
Full
Full
III
III
III
II
200
5
140
2
1
W
pF
MHz
V p-p Diff
V p-p Diff
II
RECEIVE PGA CHARACTERISTICS
Gain Error
Gain Range
Step Size Accuracy
Step Size
25ºC
25ºC
25ºC
25ºC
25ºC
I
I
I
I
±0.3
20
±0.2
1
dB
dB
dB
dB
19
64
21
Input Bandwidth (–3 dB, Rx Buffer Bypassed)
III
250
MHz
10-/12-BIT ADC CHARACTERISTICS
Resolution
Maximum Conversion Rate
NA
Full
NA
I
10/12
Bits
MHz
–2–
REV. 0