AD9776A Analog Devices, AD9776A Datasheet - Page 11

• Manufacturer Part Number: AD9776A
• Description: Dual 12-Bit, 1 GSPS, Digital-to-Analog Converter
• Manufacturer: Analog Devices

Specifications of AD9776A

• Resolution (bits): 12bit
• Dac Update Rate: 1GSPS
• Dac Settling Time: n/a
• Max Pos Supply (v): +3.47V
• Single-supply: No
• Dac Type: Current Out
• Dac Input Format: Par

Pin
No.
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
Mnemonic
DVDD18
NC
NC
NC
DATACLK
DVDD33
TXENABLE/
IQSELECT
P2D11
P2D10
P2D9
DVDD18
DGND
P2D8
P2D7
P2D6
P2D5
P2D4
P2D3
P2D2
P2D1
DVDD18
DGND
P2D0
NC
NC
NC
NC
DVDD18
DVDD33
SYNC_O−
SYNC_O+
DGND
PLL_LOCK
SDO
SDIO
SCLK
1.8 V Digital Supply.
No Connect.
No Connect.
No Connect.
Data Clock Output.
3.3 V Digital Supply.
Transmit Enable. In single port mode, this
pin also functions as IQSELECT.
Port 2, Data Input D11 (MSB).
Port 2, Data Input D10.
Port 2, Data Input D9.
1.8 V Digital Supply.
Digital Ground.
Port 2, Data Input D8.
Port 2, Data Input D7.
Port 2, Data Input D6.
Port 2, Data Input D5.
Port 2, Data Input D4.
Port 2, Data Input D3.
Port 2, Data Input D2.
Port 2, Data Input D1.
1.8 V Digital Supply.
Digital Ground.
Port 2, Data Input D0 (LSB).
No Connect.
No Connect.
No Connect.
No Connect.
1.8 V Digital Supply.
3.3 V Digital Supply.
Digital Ground.
PLL Lock Indicator.
3-Wire Interface Port Data Output.
3-Wire Interface Port Clock.
Description
Differential Synchronization Output.
Differential Synchronization Output.
3-Wire Interface Port Data Input/Output.
Rev. B | Page 11 of 56
Pin
No.
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
Mnemonic
CSB
RESET
IRQ
AGND
IPTAT
VREF
I120
AVDD33
AGND
AVDD33
AGND
AVDD33
AGND
AGND
OUT2_P
OUT2_N
AGND
AUX2_P
AUX2_N
AGND
AUX1_N
AUX1_P
AGND
OUT1_N
OUT1_P
AGND
AGND
AVDD33
AGND
AVDD33
AGND
AVDD33
AD9776A/AD9778A/AD9779A
Description
3-Wire Interface Port Chip Select Bar.
Reset, Active High.
Interrupt Request.
Analog Ground.
Factory Test Pin. Output current is
proportional to absolute temperature,
approximately 14 μA at 25°C with
approximately 20 nA/°C slope. This pin
should remain floating.
Voltage Reference Output.
120 μA Reference Current.
3.3 V Analog Supply.
Analog Ground.
3.3 V Analog Supply.
Analog Ground.
3.3 V Analog Supply.
Analog Ground.
Analog Ground.
Differential DAC Current Output, Channel 2.
Differential DAC Current Output, Channel 2.
Analog Ground.
Auxiliary DAC Current Output, Channel 2.
Auxiliary DAC Current Output, Channel 2.
Analog Ground.
Auxiliary DAC Current Output, Channel 1.
Auxiliary DAC Current Output, Channel 1.
Analog Ground.
Differential DAC Current Output, Channel 1.
Differential DAC Current Output, Channel 1.
Analog Ground.
Analog Ground.
3.3 V Analog Supply.
Analog Ground.
3.3 V Analog Supply.
Analog Ground.
3.3 V Analog Supply.