AD9122 Analog Devices, AD9122 Datasheet - Page 9

• 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

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
Table 8. Pin Function Descriptions
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
DACCLKP
DACCLKN
CVSS
NC
DVDD18
Mnemonic
CVDD18
FRAMEP
FRAMEN
IRQ
D15P
D15N
IOVDD
D14P
D14N
D13P
D13N
D12P
D12N
D11P
D11N
D10P
D10N
D9P
D9N
Description
1.8 V Clock Supply. Supplies clock receivers, clock distribution, and PLL circuitry.
DAC Clock Input, Positive.
DAC Clock Input, Negative.
Clock Supply Common.
Frame Input, Positive. This pin must be tied to DVSS if not used.
Frame Input, Negative. This pin must be tied to DVDD18 if not used.
Interrupt Request. Open-drain, active low output. Connect an external pull-up to IOVDD through a 10 kΩ
resistor.
Data Bit 15 (MSB), Positive.
Data Bit 15 (MSB), Negative.
No Connect. Do not connect to this pin.
Supply Pin for Serial Port I/O Pins, RESET, and IRQ. 1.8 V to 3.3 V can be supplied to this pin.
1.8 V Digital Supply. Supplies power to digital core and digital data ports.
Data Bit 14, Positive.
Data Bit 14, Negative.
Data Bit 13, Positive.
Data Bit 13, Negative.
Data Bit 12, Positive.
Data Bit 12, Negative.
Data Bit 11, Positive.
Data Bit 11, Negative.
Data Bit 10, Positive.
Data Bit 10, Negative.
Data Bit 9, Positive.
Data Bit 9, Negative.
DACCLKN
DACCLKP
NOTES
1. EXPOSED PAD (EPAD) MUST BE SOLDERED TO THE GROUND PLANE (AVSS).
2. NC = NO CONNECT. DO NOT CONNECT TO THIS PIN.
FRAMEP
FRAMEN
CVDD18
DVDD18
THE EPAD PROVIDES AN ELECTRICAL, THERMAL, AND MECHANICAL
CONNECTION TO THE BOARD.
IOVDD
CVSS
D15N
D14N
D13N
D12N
D15P
D14P
D13P
D12P
IRQ
NC
10
11
12
13
14
15
16
17
18
1
2
3
4
5
6
7
8
9
PIN 1
INDICATOR
Figure 3. Pin Configuration
Rev. B | Page 9 of 60
(Not to Scale)
AD9122
TOP VIEW
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
RESET
CS
SCLK
SDIO
SDO
DVDD18
D0N
D0P
D1N
D1P
DVSS
DVDD18
D2N
D2P
D3N
D3P
D4N
D4P
AD9122