参数资料
| 型号： | AD9267BCPZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 23/24页 |
| 文件大小： | 0K |
| 描述： | IC MOD SIGMA-DELTA DUAL 64LFCSP |
| 标准包装： | 1 |
| 类型： | 三角积分调制器 |
| 应用： | 无线通信系统 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 64-VFQFN 裸露焊盘，CSP |
| 供应商设备封装： | 64-LFCSP-VQ（9x9） |
| 包装： | 托盘 |
AD9267
Rev. 0 | Page 8 of 24
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
NOTES
1. DNC = DO NOT CONNECT.
2. THE EXPOSED PAD MUST BE SOLDERED TO THE GROUND PLANE FOR THE
LFCSP PACKAGE. SOLDERING THE EXPOSED PADDLE TO THE PCB
INCREASES THE RELIABILITY OF THE SOLDER JOINTS, MAXIMIZING
THE THERMAL CAPACITY OF THE PACKAGE.
PIN 1
INDICATOR
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
OR
–
B
OR
+
B
DCO
–
DCO
+
DNC
DR
VD
D
DG
ND
DV
DD
DNC
OR
–
A
OR
+
A
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
CL
K
+
CG
ND
AG
ND
AV
D
VI
N
–
B
VI
N
+
B
AV
D
CF
IL
T
VR
E
F
AV
D
VI
N
–
A
VI
N
+
A
AV
D
AG
ND
RE
S
E
T
CS
B
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
CLK–
CVDD
PDWNA
PDWNB
PLL_LOCKED
DVDD
DGND
DRVDD
D0–B
D0+B
D1–B
D1+B
D2–B
D2+B
D3–B
D3+B
SCLK/PLLMULT0
SDIO/PLLMULT1
PLLMULT2
PLLMULT3
PLLMULT4
DVDD
DGND
DRVDD
D3+A
D3–A
D2+A
D2–A
D1+A
D1–A
D0+A
D0–A
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
AD9267
TOP VIEW
(Not to Scale)
0
77
73
-00
3
Figure 3. Pin Configuration
Table 7. Pin Function Descriptions
Pin No.
Mnemonic
Description
1
CLK
Differential Clock Input ().
2
CVDD
Clock Supply (1.8 V).
3, 4
PDWNA, PDWNB
Power-Down Pins. Active high.
5
PLL_LOCKED
PLL Lock Indicator.
6, 25, 43
DVDD
Digital Supply (1.8 V).
7, 24, 42
DGND
Digital Ground.
8, 23, 41
DRVDD
Digital Output Driver Supply
9 to 16
D0B, D0+B to D3B, D3+B
Channel B Differential LVDS Data Output Bits. D0+B is the LSB and D3+B is the MSB.
17, 18
ORB, OR+B
Channel B Overrange Indicator Pins.
19, 20
DCO, DCO+
Differential Data Clock Output.
21, 22, 26 to 30
DNC
Do Not Connect.
31, 32
ORA, OR+A
Channel A Overrange Indicator Pins.
33 to 40
D0A, D0+A to D3A, D3+A
Channel A Differential LVDS Data Output Bits. D0+A is the LSB and D3+A is the MSB.
44, 45, 46
PLLMULT4, PLLMULT3, PLLMULT2
PLL Mode Selection Pins.
47
SDIO/PLLMULT1
Serial Port Interface Data Input/Output/PLL Mode Selection Pins.
48
SCLK/PLLMULT0
Serial Port Interface Clock/PLL Mode Selection Pins.
49
CSB
Serial Port Interface Chip Select Pin Active Low.
50
RESET
Chip Reset.
51, 62
AGND
Analog Ground.
52, 55, 58, 61
AVDD
Analog Supply (1.8 V).
53, 54
VIN+A, VINA
Channel A Analog Input.
56
VREF
Voltage Reference Input.
57
CFILT
Noise Limiting Filter Capacitor.
59, 60
VIN+B, VINB
Channel B Analog Input.
63
CGND
Clock Ground.
64
CLK+
Differential Clock Input (+).
65
Exposed paddle (EPAD)
Analog Ground. (Pin 65 is the exposed thermal pad on the bottom of the package.) The
exposed paddle must be soldered to analog ground of the PCB to achieve optimal electrical
and thermal performance.
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