
Data Sheet
AD9146
Rev. A | Page 7 of 56
AC SPECIFICATIONS
TMIN to TMAX, AVDD33 = 3.3 V, DVDD18 = 1.8 V, CVDD18 = 1.8 V, IFS = 20 mA, maximum sample rate, unless otherwise noted.
Table 4.
Parameter
Min
Typ
Max
Unit
SPURIOUS-FREE DYNAMIC RANGE (SFDR)
fDAC = 200 MSPS, fOUT = 50 MHz
70
dBc
fDAC = 400 MSPS, fOUT = 70 MHz
65
dBc
fDAC = 800 MSPS, fOUT = 70 MHz
67
dBc
TWO-TONE INTERMODULATION DISTORTION (IMD)
fDAC = 600 MSPS, fOUT = 50 MHz
85
dBc
fDAC = 600 MSPS, fOUT = 80 MHz
82
dBc
fDAC = 800 MSPS, fOUT = 60 MHz
83
dBc
fDAC = 800 MSPS, fOUT = 100 MHz
81
dBc
NOISE SPECTRAL DENSITY (NSD), SINGLE-CARRIER W-CDMA
fDAC = 400 MSPS, fOUT = 80 MHz
162
dBm/Hz
fDAC = 800 MSPS, fOUT = 80 MHz
164
dBm/Hz
W-CDMA ADJACENT CHANNEL LEAKAGE RATIO (ACLR), FOUR-CARRIER
fDAC = 491.52 MSPS, fOUT = 15 MHz
75
dBc
fDAC = 983.04 MSPS, fOUT = 80 MHz
77
dBc
fDAC = 983.04 MSPS, fOUT = 200 MHz
76
dBc
W-CDMA ADJACENT CHANNEL LEAKAGE RATIO (ACLR), SINGLE-CARRIER
fDAC = 983.04 MSPS, fOUT = 80 MHz
82
dBc
fDAC = 983.04 MSPS, fOUT = 122.88 MHz
80
dBc
Table 5. Maximum Rate (MSPS) with DVDD and CVDD Supply Regulation
Interface
Mode
Interpolation
Factor
fINTERFACE (MSPS)
fHB1 (MSPS)
fHB2 (MSPS)
fDAC (MSPS)
1.8 V ± 5% 1.9 V ± 5% 1.8 V ± 5% 1.9 V ± 5% 1.8 V ± 5% 1.9 V ± 5% 1.8 V ± 5% 1.9 V ± 5%
Byte (8 Bits)
1×
1200
1230
300
307.5
2× (HB1)
1200
1230
300
307.5
600
615
2× (HB2)
1200
1230
300
307.5
600
615
4×
1200
1230
300
307.5
600
615
1200
1230
Nibble (4 Bits)
1×
1200
1230
150
153.75
2× (HB1)
1200
1230
150
153.75
300
307.5
2× (HB2)
1200
1230
150
153.75
300
307.5
4×
1200
1230
150
153.75
300
307.5
600
615