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AK1291 데이터시트 PDF




AKM에서 제조한 전자 부품 AK1291은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 AK1291 자료 제공

부품번호 AK1291 기능
기능 IF Variable Gain Amplifier
제조업체 AKM
로고 AKM 로고


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AK1291 데이터시트, 핀배열, 회로
[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




AK1291 pdf, 반도체, 판매, 대치품
[AK1291]
6. Pin function Description
Table 1. Pin function
Pin No
Name
I/O
function
Remark
1 VSS1
G Ground
2 RFINP
AI RF input Positive
3 RFINN
AI RF input Negative
4 PVDD
P Power Supply
5 GCON
AI Control voltage input
6 VSS2
G Ground
7 BIAS
8 ENAB
AIO
Resistance connection
No resistance is connected.
pin for current adjustment
DI Power down control
ENAB=”High” Power on
ENAB=”Low” Power down
9 TEST1
DI Test pin
Connect to ground
10 TEST2
DI Test pin
Connect to ground
11 TEST3
DI Test pin
Connect to ground
12 TEST4
DI Test pin
Connect to ground
13 TEST5
DO Test pin
Connectionless
14 DETOUT
AO Detector output
connect a capacitor of 10pF to ground
15 DETIN
AI Detector input
connect a resistor of 50to ground
16 DETVDD
P Power supply
17 RFOUT
AO RF output
18 VSS3
G Ground
19 VSS4
G Ground
20 OAVDD
P Power supply
21 VSS5
G Ground
22 IAVDD:
P Power supply
23 COM
AIO
Pin for input common
voltage
connect a capacitor of 10nF to ground
24 VSS6
G Ground
25 EXPAD
G Ground
The exposed pad at the center of the
backside should be connected to ground.
Note) the exposed pad at the center of the backside should be connected to ground.
AI:Analog input pin AO:Analog output pin DI: Digital Input pin DODigital Output pin
P: Power supply pin G: Ground pin
About power down control: The power down of the whole IC is done by ENAB (pin8). In the case that ENAB
is High, VGA block and Detector block are power on state. In the case that let only Detector block power
down, connect DETVDD to the ground.
MS-E-1148-00
-4-
2012/11

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AK1291 전자부품, 판매, 대치품
Detector Block
Input Frequency range
Output voltage Level 1
FOP
Det_H
Output voltage Level 2 Det_H
Temperature
dependency note 2)
Detvdev
Note1) guaranteed monotonicity
Note2) guaranteed by design
DETIN=-15dBm
DETIN=-35dBm
Refer to 25°C
[AK1291]
100 500 MHz
1.6 2.2 V
0.5 0.9
V
±1 dB
MS-E-1148-00
-7-
2012/11

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관련 데이터시트

부품번호상세설명 및 기능제조사
AK1291

IF Variable Gain Amplifier

AKM
AKM

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