AD9146 Analog Devices, AD9146 Datasheet - Page 7

• Manufacturer Part Number: AD9146
• Description: Dual, 16-Bit, 1230 MSPS, TxDAC+® Digital-to-Analog Converter
• Manufacturer: Analog Devices

Specifications of AD9146

• 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: Byte,LVDS,Nibble

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