AD9961/AD9963
SPECIFICATIONS
TMIN to TMAX, RX33V = TXVDD = CLK33V = DRVDD = AUX33V = 3.3 V. All LDOs enabled, IOUTFS = 2 mA, DAC sample rate = 125 MSPS. No
interpolation, unless otherwise noted.
Table 1. Tx Path Specifications
AD9961
Typ
AD9963
Typ
Parameter
Min
Max
Min
Max
Unit
TxDAC DC CHARACTERISTICS
Resolution
10
12
Bits
Differential Nonlinearity
Gain Variation (Internal Reference)
Gain Matching
0.1
0.4
0.4
0.3
0.4
0.4
LSB
−10
−2.4
−0.03
+10
+2.4
+0.03
−10
−2.4
−0.03
+10
+2.4
+0.03
%FSR
%FSR
%FSR
mA
Offset Error
Full-Scale Output Current (Default Setting)
Output Compliance Range
TXVDD = 3.3 V, VTXCML = 0 V
TXVDD = 3.3 V, VTXCML = 0.5 V
TXVDD = 1.8 V, VTXCML = 0 V
Offset Temperature Drift
Gain Temperature Drift (Internal Reference)
Tx REFERENCE (DEFAULT REGISTER SETTINGS)
Internal Reference Voltage (REFIO)
Output Resistance
2.0
2.0
−0.5
+0.7
−0.5
+1.0
+1.7
+0.8
−0.5
+0.7
−0.5
+1.0
+1.7
+0.8
V
V
V
0
0
ppm/°C
ppm/°C
40
40
1.02
10
1.02
10
V
kΩ
Temperature Drift
25
25
ppm/°C
Adjustment Range (TXVDD = 3 V)
Adjustment Range (TXVDD = 1.8 V)
TxDAC AC CHARACTERISTICS
Maximum Update Rate
0.8
0.8
1.2
REFIO
0.8
0.8
1.2
REFIO
V
V
175
175
MSPS
Spurious-Free Dynamic Range
fOUT = 5 MHz
fOUT = 20 MHz
78
68
81
70
dBc
dBc
Two-Tone Intermodulation Distortion
fOUT1 = 5 MHz, fOUT2 = 6 MHz
fOUT1 = 20 MHz, fOUT2 = 21 MHz
Noise Spectral Density
85
78
89
80
dBc
dBc
fOUT = 5 MHz
fOUT = 20 MHz
−140
−136
−145
−141
dBm/Hz
dBm/Hz
W-CDMA Adjacent Channel Leakage Ratio, 1 Carrier
fDAC = 122.88 MHz, fOUT = 11 MHz
Tx PATH DIGITAL FILTER INPUT RATES
SRRC (8× Interpolation Mode)
INT0 (4× Interpolation Mode)
INT1 (2× Interpolation Mode
Transmit DAC (1× Interpolation Mode)
70
74
dBc
21.875
43.75
87.5
21.875
43.75
87.5
MHz
MHz
MHz
MHz
175
175
Rev. 0 | Page 3 of 60