AD9747 Analog Devices, AD9747 Datasheet - Page 6

• Manufacturer Part Number: AD9747
• Description: Dual 16-Bit 250 MSPS Digital-to-Analog Converters
• Manufacturer: Analog Devices

Specifications of AD9747

• Resolution (bits): 16bit
• Dac Update Rate: 250MSPS
• Dac Settling Time: n/a
• Max Pos Supply (v): +3.47V
• Single-supply: No
• Dac Type: Current Out
• Dac Input Format: Par

AD9741/AD9743/AD9745/AD9746/AD9747
T
sample rate, unless otherwise noted. The AD9745 is repeated in Table 4 so the user can compare it with all other parts.
Table 4. AD9745, AD9746, and AD9747
Parameter
SPURIOUS FREE DYNAMIC RANGE (SFDR)
INTERMODULATION DISTORTION (IMD)
CROSSTALK
ADJACENT CHANNEL LEAKAGE RATIO (ACLR) SINGLE
NOISE SPECTRAL DENSITY (NSD)
1
Mix Mode.
CARRIER WCDMA
MIN
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
to T
= 250 MSPS, f
= 250 MSPS, f
= 250 MSPS, f
= 250 MSPS, f
= 250 MSPS, f
= 250 MSPS, f
= 250 MSPS, f
= 250 MSPS, f
= 250 MSPS, f
= 245.76 MSPS, f
= 245.76 MSPS, f
= 245.76 MSPS, f
= 245.76 MSPS, f
= 245.76 MSPS, f
= 245.76 MSPS, f
MAX
, AVDD33 = 3.3 V, DVDD33 = 3.3 V, DVDD18 = 1.8 V, CVDD18 = 1.8 V, I
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
= 20 MHz
= 70 MHz
= 180 MHz
= 20 MHz
= 70 MHz
= 180 MHz
= 20 MHz
= 70 MHz
= 180 MHz
= 15.36 MHz
= 61.44 MHz
= 184.32 MHz
= 15.36 MHz
= 61.44 MHz
= 184.32 MHz
1
1
1
1
1
Rev. 0 | Page 6 of 28
Min
AD9745
−155
−155
Typ
82
70
66
86
80
74
80
80
80
76
76
72
−155
Max
Min
FS
= 20 mA, full-scale digital input, maximum
AD9746
Typ
82
70
66
86
80
74
80
80
80
78
78
74
−163
−160
−158
Max
Min
AD9747
Typ
82
70
66
86
80
74
80
80
80
82
80
74
−165
−162
−160
Max
Unit
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBm/Hz
dBm/Hz
dBm/Hz