AD9780 データシートの表示（PDF） - Analog Devices
部品番号
コンポーネント説明
メーカー
AD9780 Datasheet PDF : 32 Pages
| |||
Data Sheet
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
AD9780/AD9781/AD9783
CVDD18 1
CVSS 2
CLKP 3
CLKN 4
CVSS 5
CVDD18 6
DVSS 7
DVDD18 8
D11P 9
D11N 10
D10P 11
D10N 12
D9P 13
D9N 14
D8P 15
D8N 16
D7P 17
D7N 18
PIN 1
INDICATOR
AD9780
(TOP VIEW)
54 FS ADJ
53 RESET
52 CSB
51 SCLK
50 SDIO
49 SDO
48 DVSS
47 DVDD18
46 NC
45 NC
44 NC
43 NC
42 NC
41 NC
40 NC
39 NC
38 D0N
37 D0P
NOTES
1. NC = NO CONNECT
2. EXPOSED PAD MUST BE
SOLDERED TO PCB AND
CONNECTED TO AVSS.
Figure 2. AD9780 Pin Configuration
Table 6. AD9780 Pin Function Descriptions
Pin No.
Mnemonic
1, 6
CVDD18
2, 5
CVSS
3, 4
CLKP, CLKN
7, 28, 48
DVSS
8, 47
DVDD18
9 to 24, 31 to 38 D11P, D11N to D0P, D0N
25, 26
DCOP, DCON
27
DVDD33
29, 30
DCIP, DCIN
39 to 46
NC
49
SDO
50
SDIO
51
SCLK
52
CSB
53
RESET
54
FS ADJ
55
REFIO
56, 57, 71, 72
AVDD33
58, 61, 64, 67, 70 AVSS
59
IOUT2P
60
IOUT2N
62, 63
AUX2P, AUX2N
65, 66
AUX1N, AUX1P
68
IOUT1N
69
IOUT1P
Heat Sink Pad
N/A
Description
Clock Supply Voltage (1.8 V).
Clock Supply Return.
Differential DAC Sampling Clock Input.
Digital Common.
Digital Supply Voltage (1.8 V).
LVDS Data Inputs. D11 is the MSB, D0 is the LSB.
Differential Data Clock Output. Clock at the DAC sample rate.
Digital Input and Output Pad Ring Supply Voltage (3.3 V).
Differential Data Clock Input. Clock aligned with input data.
No Connection. Leave these pins floating.
Serial Port Data Output.
Serial Port Data Input (4-Wire Mode) or Bidirectional Serial Data Line (3-Wire Mode).
Serial Port Clock Input.
Serial Port Chip Select (Active Low).
Chip Reset (Active High).
Full-Scale Current Output Adjust.
Analog Reference Input/Output (1.2 V Nominal).
Analog Supply Voltage (3.3 V).
Analog Common.
DAC Current Output. Full-scale current is sourced when all data bits are 1s.
Complementary DAC Current Output. Full-scale current is sourced when all data bits are 0s.
Differential Auxiliary DAC Current Output (Channel 2).
Differential Auxiliary DAC Current Output (Channel 1).
Complementary DAC Current Output. Full-scale current is sourced when all data bits are 0s.
DAC Current Output. Full-scale current is sourced when all data bits are 1s.
The heat sink pad on the bottom of the package should be soldered to the PCB plane that
carries AVSS.
Rev. B | Page 7 of 32
Share Link: 