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AK1291 の電気的特性と機能

AK1291のメーカーはAKMです、この部品の機能は「IF Variable Gain Amplifier」です。


製品の詳細 ( Datasheet PDF )

部品番号 AK1291
部品説明 IF Variable Gain Amplifier
メーカ AKM
ロゴ AKM ロゴ 




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AK1291 Datasheet, AK1291 PDF,ピン配置, 機能
[AK1291]
AK1291
IF Variable Gain Amplifier with RSSI
1. OOvevrevriveiwew
AK1291 is a variable gain amplifier with a power detector. It’s operating frequency ranges from
100MHz to 300MHz. The gain control adopts an analog signal control, and the gain characteristic is dB
linear. The gain control range is -9dB to +21dB and a dynamic range is 30dB. AK1291 has single-ended
input and output, with impedance of 50 . As a typical characteristic, NF is 7dB (at maximum gain) , and
IMD3 is 70dBc at output power of -15dBm ,at frequency of 165MHz.The power supply voltage is 4.75V
to 5.25V.
2. Feature
Operation Frequency Range
Gain variable range
Noise Figure
IMD3
Supply Voltage
Operating Temperature
Package
100MHz to 300MHz
-9dB to 21dB
7dB @max gain
70dBc @output power -15dBm
4.75V to 5.25V
-40°C to +85°C
24pin QFN0404
3. Block Diagram
VSS1
RFINP
RFINN
VSS6 COM
VSS5
IAVDD OAVD VSS4
Buffer
PVDD
GCON
VSS2
Detector
BIAS ENAB
DETOUT
VSS3
RFOUT
DETVDD
DETIN
Fig 1. Block Diagram
MS-E-1148-00
-1-
2012/11
http://www.Datasheet4U.com

1 Page





AK1291 pdf, ピン配列
4. Pin Configuration
TOP VIEW
VSS1 1
RFINP 2
RFINN 3
PVDD 4
GCON 5
VSS2 6
24 23 22 21 20 19
18 VSS3
17 RFOUT
16 DETVD
15 DETIN
14 DETOU
13 TEST5
7 8 9 10 11 12
[AK1291]
Block
VGA
Power Detector
Fig 2 Pin Configuration
5. Block Function
Function
Variable Gain Amplifier which is controlled by the voltage of 0.2 to 2.5V
Power detector which detect power level of VGA output
MS-E-1148-00
-3-
2012/11


3Pages


AK1291 電子部品, 半導体
[AK1291]
9. Electrical Characteristic
DC Characteristic
Item
High Level Input Voltage
Low Level Input Voltage
Input leak current
Current consumption 1
Current consumption 2
Current consumption 3
Symbol
VIH
VIL
IIL
ICC1
ICC2
ICC3
Condition
Note1)
Note1)
Note1)
PVDD=OAVDD=IAVDD=
DETVDD=VDD
ENAB=High
PVDD=OAVDD=IAVDD
VDDDETVDD=VSS
ENAB=High
PVDD=OAVDD=IAVDD
VDDDETVDD=VSS
ENAB=Low
Min.
0.8*VDD
0.0
-10
Note1) Applied to [ENAB] pin
Typ.
155
151
10
Max.
0.2*VDD
10
Unit
V
V
µA
199 mA
195 mA
µA
AC Characteristic
PVDD=OAVDD=IAVDD=4.75V5.25V, Ta=-40°C85°C f0=165MHz, unless otherwise specified
Item
Symbol
Condition
Min.
Typ.
Max.
VGA Block
Input Frequency
Input Impedance
FOP
IIMP
100 300
50
Output Impedance
OIMP
50
Gain control Range
GCONT
30
Max. Gain
GMAX
GCON=2.5V
21
Min. Gain
GMIN
GCON=0.2V
-6.5
Gain 1
Ga1 GCON=2V
21
Gain 2
Ga2 GCON =0.5V
-9
Gain control voltage
range
VGT
0.2 2.5
Gain curve slope
note1)
GCS 0.5VVGCONT2.0V
1
20 80
Gain step response
GSR
5
<RFIN=100MHz>
Noise Figure note2)
NF
Gain = 21 dB
7
Output P1dB
IMD3
OP1
IMD3
Output Level = -15dBm
65
5
70
<RFIN=165MHz>
Noise Figure note2)
Output P1dB
IMD3
NF
OP1
IMD3
Gain = 21 dB
Output Level = -15dBm
65
7
5
70
<RFIN=300MHz>
Noise Figure note2)
Output P1dB
IMD3
NF
OP1
IMD3
Gain = 21 dB
Output Level = -15dBm
55
7
5
60
Unit
MHz
Ω
Ω
dB
dB
dB
dB
dB
V
dB/V
µS
dB
dBm
dBc
dB
dBm
dBc
dB
dBm
dBc
MS-E-1148-00
-6-
2012/11

6 Page



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部品番号部品説明メーカ
AK1291

IF Variable Gain Amplifier

AKM
AKM


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