Analog Devices AD9776 Instruction Manual page 9

Pin No. Mnemonic Description
37 DATACLK Data Clock Output
38 DVDD33 3.3 V Digital Supply
39 TXENABLE Transmit Enable
40 P2D <11> Port 2, Data Input D11 (MSB)
41 P2D <10> Port 2, Data Input D10
42 P2D <9> Port 2, Data Input D9
43 DVDD18 1.8 V Digital Supply
44 DGND Digital Common
45 P2D <8> Port 2, Data Input D8
46 P2D <7> Port 2, Data Input D7
47 P2D <6> Port 2, Data Input D6
48 P2D <5> Port 2, Data Input D5
49 P2D <4> Port 2, Data Input D4
50 P2D <3> Port 2, Data Input D3
51 P2D <2> Port 2, Data Input D2
52 P2D <1> Port 2, Data Input D1
53 DVDD18 1.8 V Digital Supply
54 DGND Digital Common
55 P2D <0> Port 2, Data Input D0
56 NC No Connect
57 NC No Connect
58 NC No Connect
59 NC No Connect
60 DVDD18 1.8 V Digital Supply
61 DVDD33 3.3 V Digital Supply
62 SYNC_O– Differential Synchronization Output
63 SYNC_O+ Differential Synchronization Output
64 DGND Digital Common
65 PLL_LOCK PLL Lock Indicator
66 SDO SPI Port Data Output
67 SDIO SPI Port Data Input/Output
68 SCLK SPI Port Clock
69 CSB SPI Port Chip Select Bar
70 RESET Reset, Active High
71 IRQ Interrupt Request
72 AGND Analog Common
73 IPTAT Reference Current
Pin No. Mnemonic
74 VREF
75 I120
76 AVDD33
77 AGND
78 AVDD33
79 AGND
80 AVDD33
81 AGND
82 AGND
83 OUT2_P
84 OUT2_N
85 AGND
86 AUX2_P
87 AUX2_N
88 AGND
89 AUX1_N
90 AUX1_P
91 AGND
92 OUT1_N
93 OUT1_P
94 AGND
95 AGND
96 AVDD33
97 AGND
98 AVDD33
99 AGND
100 AVDD33
1
The combined differential clock input at the CLK+ and CLK– pins are referred
to as DACCLK.
Rev. 0 | Page 9 of 56
AD9776/AD9778/AD9779
Description
Voltage Reference Output
120 μA Reference Current
3.3 V Analog Supply
Analog Common
3.3 V Analog Supply
Analog Common
3.3 V Analog Supply
Analog Common
Analog Common
Differential DAC Current Output,
Channel 2
Differential DAC Current Output,
Channel 2
Analog Common
Auxiliary DAC Voltage Output,
Channel 2
Auxiliary DAC Voltage Output,
Channel 2
Analog Common
Auxiliary DAC Voltage Output,
Channel 1
Auxiliary DAC Voltage Output,
Channel 1
Analog Common
Differential DAC Current Output,
Channel 1
Differential DAC Current Output,
Channel 1
Analog Common
Analog Common
3.3 V Analog Supply
Analog Common
3.3 V Analog Supply
Analog Common
3.3 V Analog Supply