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參數(shù)資料
| 型號： | AD8375ACPZ-R7 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 1/24頁 |
| 文件大小： | 0K |
| 描述： | IC AMP VGA DIFF ULDIST 24LFCSP |
| 產(chǎn)品培訓模塊： | Differential Circuit Design Techniques for Communication Applications |
| 標準包裝： | 1 |
| 放大器類型： | 可變增益 |
| 電路數(shù)： | 1 |
| 輸出類型： | 差分 |
| 轉換速率： | 5000 V/µs |
| -3db帶寬： | 630MHz |
| 電流 - 輸入偏壓： | 900nA |
| 電流 - 電源： | 125mA |
| 電壓 - 電源，單路/雙路(±)： | 4.5 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-VFQFN 裸露焊盤，CSP |
| 供應商設備封裝： | 24-LFCSP-VQ（4x4） |
| 包裝： | 標準包裝 |
| 產(chǎn)品目錄頁面： | 775 (CN2011-ZH PDF) |
| 其它名稱： | AD8375ACPZ-R7DKR |
Ultralow Distortion IF VGA
Data Sheet
Rev. A
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license isgranted by implication or otherwise under any patent or patent rightsofAnalog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
2007–2012 Analog Devices, Inc. All rights reserved.
FEATURES
Bandwidth of 630 MHz (3 dB)
Gain range: 4 dB to +20 dB
Step size: 1 dB ± 0.2 dB
Differential input and output
Noise figure: 8 dB @ maximum gain
Output IP3 of ~50 dBm at 200 MHz
Output P1dB of 19 dBm at 200 MHz
Provides constant SFDR vs. gain
Parallel 5-bit control interface
Power-down feature
Single 5 V supply operation
24-lead, 4 mm × 4 mm LFCSP
APPLICATIONS
Differential ADC drivers
High IF sampling receivers
Wideband multichannel receivers
Instrumentation
FUNCTIONAL BLOCK DIAGRAM
A2
A3
A4
A1
A0
POST-AMP
α
REGISTERS
AND
GAIN DECODER
VPOS
COMM
AD8375
VCOM
VIN+
VIN–
PWUP
OUT+
OUT–
06724-
001
Figure 1.
GENERAL DESCRIPTION
The AD8375 is a digitally controlled, variable gain, wide
bandwidth amplifier that provides precise gain control, high
IP3, and low noise figure. The excellent distortion performance
and high signal bandwidth make the AD8375 an excellent gain
control device for a variety of receiver applications.
Using an advanced high speed SiGe process and incorporating
proprietary distortion cancellation techniques, the AD8375
achieves 50 dBm output IP3 at 200 MHz.
The AD8375 provides a broad 24 dB gain range with 1 dB
resolution. The gain is adjusted through a 5-pin control interface
and can be driven using standard TTL levels. The open-collector
outputs provide a flexible interface, allowing the overall signal
gain to be set by the loading impedance. Thus, the signal
voltage gain is directly proportional to the load.
The AD8375 is powered on by applying the appropriate logic
level to the PWUP pin. The quiescent current of the AD8375 is
typically 130 mA. When powered down, the AD8375 consumes
less than 5 mA and offers excellent input-to-output isolation.
Fabricated on an Analog Devices, Inc., high speed SiGe process,
the AD8375 is supplied in a compact, thermally enhanced,
4 mm × 4 mm, 24-lead LFCSP package and operates over the
temperature range of 40°C to +85°C.
–40
–60
–50
–70
–90
–80
–100
–110
65
55
60
50
40
45
35
30
H
A
R
M
ON
IC
D
IS
TOR
TION
(
dB
c
),
OU
TP
U
T
@
2
V
p-
p
OIP
3
(
dB
m
),
OU
TP
U
T
@
3
dB
m
/TON
E
40
60
80
100
120
140
160
180
200
FREQUENCY (MHz)
06724-
052
OIP3
HD2
HD3
Figure 2. Harmonic Distortion and Output IP3 vs. Frequency
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相關代理商/技術參數(shù) |
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| AD8375-EVALZ | 制造商:Analog Devices 功能描述:EVAL BOARD FOR AD8375 制造商:Analog Devices 功能描述:EVALUATION BOARDS - Bulk |
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