AD9122 Analog Devices, AD9122 Datasheet - Page 7

• Manufacturer Part Number: AD9122
• Manufacturer: Analog Devices

Specifications of AD9122

• Resolution (bits): 16bit
• Dac Update Rate: 1.23GSPS
• Dac Settling Time: n/a
• Max Pos Supply (v): +3.47V
• Single-supply: No
• Dac Type: Current Out
• Dac Input Format: LVDS,Par

AC SPECIFICATIONS
T
Table 4.
Parameter
SPURIOUS-FREE DYNAMIC RANGE (SFDR)
TWO-TONE INTERMODULATION DISTORTION (IMD)
NOISE SPECTRAL DENSITY (NSD), EIGHT-TONE, 500 kHz TONE SPACING
W-CDMA ADJACENT CHANNEL LEAKAGE RATIO (ACLR), SINGLE-CARRIER
W-CDMA SECOND ACLR, SINGLE-CARRIER
Table 5. Maximum Rate (MSPS) with DVDD and CVDD Supply Regulation
Bus Width
Nibble (4 Bits)
Byte (8 Bits)
Word (16 Bits)
MIN
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
DAC
DAC
DAC
DAC
DAC
DAC
DAC
DAC
DAC
DAC
DAC
DAC
DAC
DAC
DAC
DAC
DAC
to T
= 100 MSPS, f
= 200 MSPS, f
= 400 MSPS, f
= 800 MSPS, f
= 200 MSPS, f
= 400 MSPS, f
= 400 MSPS, f
= 800 MSPS, f
= 200 MSPS, f
= 400 MSPS, f
= 800 MSPS, f
= 491.52 MSPS, f
= 491.52 MSPS, f
= 983.04 MSPS, f
= 491.52 MSPS, f
= 491.52 MSPS, f
= 983.04 MSPS, f
MAX
, AVDD33 = 3.3 V, DVDD18 = 1.8 V, CVDD18 = 1.8 V, I
Interpolation
Factor
2×
4×
8×
1×
2×
4×
8×
1×
2× (HB1)
2× (HB2)
4×
8×
1×
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
= 20 MHz
= 50 MHz
= 70 MHz
= 70 MHz
= 50 MHz
= 60 MHz
= 80 MHz
= 100 MHz
= 80 MHz
= 80 MHz
= 80 MHz
= 10 MHz
= 122.88 MHz
= 122.88 MHz
= 10 MHz
= 122.88 MHz
= 122.88 MHz
1.8 V ± 5%
1100
1100
1100
1100
1100
550
1100
550
275
1100
1100
900
1100
DVDD18, CVDD18 =
f
1.8 V ± 2%
1200
1200
1200
1200
1200
1200
1200
600
1200
1000
1200
600
300
INTERFACE
(MSPS)
Rev. B | Page 7 of 60
FS
1.9 V ± 2%
1230
1230
1230
1230
1230
1230
1230
615
1230
1000
1230
615
307.5
= 20 mA, maximum sample rate, unless otherwise noted.
Min
1.8 V ± 5%
137.5
275
550
1100
275
550
1100
1100
550
900
1100
1100
1100
Typ
78
80
69
72
84
86
84
81
−162
−163
−164
84
82
83
88
86
88
DVDD18, CVDD18 =
1.8 V ± 2%
150
300
600
1200
300
600
1200
1200
600
1000
1200
1200
1200
f
DAC
(MSPS)
Max
1.9 V ± 2%
153.75
307.5
615
1230
307.5
615
1230
1230
615
1000
1230
1230
1230
AD9122
Unit
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBm/Hz
dBm/Hz
dBm/Hz
dBc
dBc
dBc
dBc
dBc
dBc