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| 型号： | AD8264ACPZ-R7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 38/40页 |
| 文件大小： | 0K |
| 描述： | IC AMP VGA DIFF QUAD LN 40LFCSP |
| 标准包装： | 750 |
| 放大器类型： | 可变增益 |
| 电路数： | 4 |
| 输出类型： | 差分 |
| 转换速率： | 380 V/µs |
| -3db带宽： | 235MHz |
| 电流 - 输入偏压： | 5µA |
| 电流 - 电源： | 99mA |
| 电压 - 电源，单路/双路(±)： | ±2.5 V ~ 5 V |
| 工作温度： | -40°C ~ 105°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 40-VFQFN 裸露焊盘，CSP |
| 供应商设备封装： | 40-LFCSP-VQ（6x6） |
| 包装： | 带卷 (TR) |
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AD8264
Rev. A | Page 7 of 40
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
IPP2
OPP3
IPN3
IPP3
8
7
6
5
1
4
3
2
29
30
31
32
28
34 33
27
CO
M
IPP1
IPN2
IPN1
OPP1
OPP2
G
NH1
G
NH2
14
13
17
12
11
18
VOH3
VGA3
VOL3
15 16
20
37
35
19
VOH1
VN
EG
GN
LO
VOH2
21
22
23
24
VGA2
VOL2
VOL1
OFS
1
PIN1
INDICATOR
AD8264
TOP VIEW
(Not to Scale)
VPO
S
IPN4
OPP4
10
9
38
39
OFS
3
VOL4
VOH4
36
40
25
26
OFS
2
V
G
A1
V
G
A4
OFS
4
VN
EG
VPO
S
V
O
CM
G
NH3
G
NH4
CO
M
IPP4
NOTES
1. EXPOSED PADDLE (PIN 0) NEEDS AN ELECTRICAL
CONNECTION TO GROUND. FOR PROPER RF GROUNDING
AND INCREASED RELIABILITY, THE PAD MUST BE
CONNECTED TO THE GROUND PLANE.
07736-
003
Figure 2. Pin Configuration
Table 4. Pin Function Descriptions
Pin No.
Mnemonic
Description
0 (EP), 12, 39
COMM
Ground. Exposed paddle (EP, Pin 0) needs an electrical connection to ground. For proper RF grounding
and increased reliability, the pad must be connected to the ground plane.
1, 4, 7, 10
IPN1, IPN2,
IPN3, IPN4
Negative Preamp Inputs for Channel 1 Through Channel 4. Normally, no external connection is needed.
2, 3, 8, 9
OPP1, OPP2,
OPP3, OPP4
Preamp Output for Channel 1 Through Channel 4. This pin is internally connected to the attenuator
(VGA) input, and normally, no external connection is needed.
5, 6, 11, 40
IPP1, IPP2,
IPP3, IPP4
Positive Preamp Input for Channel 1 Through Channel 4. High impedance.
13, 14, 37, 38
GNH1, GNH2,
GNH3, GNH4
Positive Gain Control Voltage Input for Channel 1 Through Channel 4. This pin is referenced to GNLO (Pin 36).
15
VOCM
This pin sets the differential output amplifier (VOHx and VOLx) common-mode voltage.
16, 35
VPOS
Positive Supply (Internally Tied Together).
17, 34
VNEG
Negative Supply (Internally Tied Together).
18, 19, 32, 33
OFS1, OFS2,
OFS3, OFS4
Voltage sets the differential output offset for Channel 1 through Channel 4. This is the noninverting input
to the differential amplifier, and it has the same bandwidth as the inverting input (VGAx).
20, 25, 26, 31
VGA4, VGA3
VGA2, VGA1
VGA Output for Channel 1 Through Channel 4.
21, 24, 27, 30
VOL1, VOL2
VOL3, VOL4
Negative Differential Amplifier Output for Channel 1 Through Channel 4.
22, 23, 28, 29
VOH1, VOH2,
VOH3, VOH4
Positive Differential Amplifier Output for Channel 1 Through Channel 4.
36
GNLO
Negative Gain Control Input (Reference for GNHx Pins).
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