参数资料
| 型号： | AD8335ACPZ-REEL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 14/28页 |
| 文件大小： | 0K |
| 描述： | IC AMP VGA QUAD 64LFCSP |
| 产品变化通告： | AD8335 Metal Mask Change 12/Jul/2010 |
| 标准包装： | 2,500 |
| 系列： | X-AMP® |
| 类型： | 可变增益放大器 |
| 应用： | 信号处理 |
| 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： | 带卷 (TR) |
| 配用： | AD8335-EVALZ-ND - BOARD EVALUATION FOR AD8335 |
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Data Sheet
AD8335
Rev. B | Page 21 of 28
BASIC CONNECTIONS
signals enter from the left and output signals exit from the right,
providing straight line signal paths. Of course, a device with
four differential VGAs such as this requires a multilayer printed
circuit board. Power supply isolation is shown for the preamps,
and for the VGA sections. If components are mounted to both
sides of the board, those in the signal path should be located on
the top, with power-supply decoupling components on the
wiring side.
PREAMP CONNECTIONS
To configure the AD8335 for input matching, a feedback resistor
(RFB) is ac-coupled between Pin PONx and Pin PIPx. AC coupling
accommodates dissimilar common-mode voltages at the input
and output ports. For values of RSOURCE between 50 Ω and 200 Ω,
resistor (or RIN), along with the exact value and nearest standard
1% feedback resistor. For values other those than listed in Table 6,
RFB can be calculated using Equation 6. For values larger than
1 kΩ, it may be advantageous to simply remove RFB.
Table 6. Feedback Resistor Values for Various Input
Resistances
RIN (Ω)
Exact RFB Value (Ω)
Nearest Standard 1% Value (Ω)
200
1014
1.02 k
500
2588
2.61 k
1000
5365
5.36 k
k
7
.
14
1
5
)
Ω
(
IN
FB
R
×
=
(6)
PIP2
CSH2
22pF
RFB2
249
PIP3
CSH3
22pF
RFB3
249
RSH3
49.9
RSH4
49.9
CSH4
22pF
RFB4
249
120nH FB
+5V
VOH3
VOH4
RSH1
49.9
CSH1
22pF
RFB1
249
VGN2
1nF*
SL12
120nH FB
+5V
1nF*
SL34
VGN1
H
+5V
L
PIP4
+5V
PIP1
VPP
+5V
VOH1
VOL1
VOL2
VOH2
VOL3
VPV
VOL4
VGN3
VGN4
VPP
1nF*
0.1F
50
49
56
55
51
54
53
52
58
57
59
62
61
60
VI
P1
PO
N
1
VC
M
2
PI
P1
63
PO
P1
VPP
1
VI
N
1
EN
12
VC
M
1
PM
D
1
VG
N
1
SL
12
VG
N
2
SP
12
CO
M
1
64
HL
12
GND4
VPV2
VOL2
VOH1
VOL1
VOH2
VPV4
VOH3
VOL3
VOH4
VPV3
VOL4
VPV1
GND1
35
36
37
38
42
39
40
41
34
33
48
47
43
46
45
44
GND3
GND2
H
+5V
L
28
25
26
27
17
18
19
21
22
23
24
29
30
31
32
PM
D
4
PI
P4
PO
P4
V
PP4
SP3
4
SL
34
EN
34
VC
M
3
VI
P4
VC
M4
CO
M
4
VG
N
4
VI
N
4
VG
N
3
PO
N
4
HL
34
20
PMD2
PON2
PIP2
COM2
VIP2
VIN2
POP2
COM3
VIP3
VIN3
PIP3
PON3
PMD3
POP3
VPP3
VPP2
15
16
8
7
6
5
1
4
3
2
14
13
9
12
11
10
AD8335
04
97
6-
05
6
VPP
*SEE TEXT
RSH2
49.9
Figure 58. Basic Connections for RIN = 50 Ω
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD8335ACPZ-REEL7 | 功能描述:IC AMP VGA QUAD 64LFCSP RoHS:是 类别:集成电路 (IC) >> 线性 - 放大器 - 专用 系列:X-AMP® 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:60 系列:- 类型:可变增益放大器 应用:CATV 安装类型:表面贴装 封装/外壳:20-WQFN 裸露焊盘 供应商设备封装:20-TQFN-EP（5x5） 包装:托盘 |
| AD8335EVAL | 制造商:Analog Devices 功能描述:EVAL BOARD ((NS)) |
| AD8335-EVAL | 制造商:AD 制造商全称:Analog Devices 功能描述:Quad Low Noise, Low Cost Variable Gain Amplifier |
| AD8335-EVALZ | 功能描述:BOARD EVALUATION FOR AD8335 RoHS:是 类别:编程器，开发系统 >> 评估板 - 运算放大器 系列:X-AMP® 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1 系列:- |
| AD8336 | 制造商:AD 制造商全称:Analog Devices 功能描述:General-Purpose, −55 to +125, Wide Bandwidth, DC-Coupled VGA |
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