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AK2400 데이터시트 PDF




AKM에서 제조한 전자 부품 AK2400은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 AK2400 자료 제공

부품번호 AK2400 기능
기능 High integrated receiver
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AK2400 데이터시트 를 다운로드하여 반도체의 전기적 특성과 매개변수에 대해 알아보세요.




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AK2400 데이터시트, 핀배열, 회로
[AK2400]
AK2400
High integrated receiver for PMR/LMR
Overview
Operating Supply Voltage
: 2.7 to 5.5V
Wide Operating Temperature Range
: -40 to +85C
Delta-Sigma Fractional-N PLL with a frequency switching function
: No glitch operation for AFC(Automatic Frequency
Control) and DFM(Digital Frequency Modulation)
High linearity RF Mixer(1st) and IF Mixer(2nd)
IF Local frequency selectable as usage : 28.8MHz,45.9MHz,50.4MHz,57.6MHz
Frequency tripler generates IF Local signal
Built-in very narrow programmable bandwidth IF BPF (450kHz)
PLL FM detector
RSSI function
Noise squelch circuit
Built-in 12bits 1Msps SAR ADC
Audio output signal S/N (Wide/Narrow) : 50dB / 46dB (Typ.) *De-emphasis + BPF
Compact packaging
: 56pin-QFN (8 x 8 mm0.5 mm pitch)
Applications
Narrowband high performance professional digital wireless systems
(Channel spacing for 6.25kHz,12.5kHz)
Public safety and community wireless systems
Marine / mobile communication systems
Low power radio systems
Monitoring and control telemeter systems
014008989-E-01
1
2015/4




AK2400 pdf, 반도체, 판매, 대치품
[AK2400]
Function
Block
PLL SYNTH
1stMIX
PGA0+2ndMIX
AGC+BPF
IFBUF
Divider
LIMITER
DISCRI
Noise AMP
Noise Rectifier
Comparator
RSSI
AGND+VIREF
Control Logic
ADC
Description
The Delta-Sigma Fractional-N PLL (Phase Locked Loop) frequency synthesizer by the
external VCO and the loop filter.
1st Mixer to convert the RFIN signal down to IF frequency by 1st LO signal.
2nd Mixer to convert the IFIP signal down to 450kHz by 2ndLO signal.
The circuit composed of AGC and BPF, where the desired signal is amplified and
spurious components included in the signal from the 2nd-mixer are eliminated.
The circuit to output filtered signal by AGC+BPF.
The circuit to divide the signal from LO2NDIN pin.
The circuit to amplify the signal filtered at the AGC+BPF stage and generate
rectangular wave.
The demodulator circuit with PLL FM detector, where the audio signal is recovered.
The amplifiers to compose the Band-pass filter for noise squelch.
The rectification circuit to detect the noise level.
The circuit to compare the noise level with reference voltage level.
The circuit to indicate the Received Signal Strength Indicator (RSSI) by generating a
DC voltage corresponding to the input level from Limiter.
The circuit to generate internal reference voltage.
The control register controls the status of internal condition by serial data that consists
of 1 instruction bit, 5 address bits and 18 data bits.
12bits 1MSPS A/D converter.
Pin assignment
CPVSS
SWIN
CPZ
CP
PVDD
RFINP
RFINN
PVSS
VREF1
BIAS3
BIAS2
BIAS1
LOINP
LOINN
42 41 40 39 38 37 36 35 34 33 32 31 30 29
43 28
44 27
45 26
46 25
47 24
48 23
49
50
51
52
53
54
55
56
123456
78
22
21
20
19
18
17
16
15
9 10 11 12 13 14
ADIN
IFOUT
RSSIOUT
NRECTO
NAMPO
NAMPI
AUDIOOUT
DISOUT
PDOUT
BIAS4
AGNDIN
AGNDOUT
VREFA
AVDD
Figure 2 Pin assignment
Note) The exposed pad at the center of the backside should be connected to ground.
014008989-E-01
4
2015/4

4페이지










AK2400 전자부품, 판매, 대치품
Absolute Maximum Ratings
[AK2400]
Parameter
Symbol
VDD1
Min.
-0.3
Max.
6.5
Unit
V
Remarks
Note 1
Supply Voltage
Ground level
Analog Input Voltage
CPVDD
MIXVDD
DVDD
VSS
VAIN
-0.3 6.5 V
-0.3 5.5 V
-0.3 6.5 V
0 0V
VDD1+0.3
-0.3 CPVDD+0.3 V
MIXVDD+0.3
Note 1
Digital Input Voltage
VDIN
-0.3
DVDD+0.3
V
Input Current
(Except power supply pin)
RF Input Power
LO Input Power
Storage Temperature
IIN
RFPOW
LOPOW
Tstg
-10
-55
+10 mA
12 dBm
12 dBm
125
Note 1 VDD1 is applied to PVDD, AVDD, ADVDD pins
Note 2 All voltages are relative to the VSS pin.
Note 3 Exceeding these maximum ratings may result in damage to the AK2400. Normal operation is not
guaranteed at these extremes.
Recommended Operating Conditions
Parameter
Operating Temperature
Power Supply voltage
Analog Reference Voltage
Symbol
Conditions
Ta
VDD1 PVDD, AVDD, ADVDD
CPVDD
MIXVDD
DVDD
AGND
AGNDOUT
Min.
-40
DVDD
VDD1
VDD1
2.7
Typ.
3.0
5.0
5.0
3.0
1/2VREFA
Max.
85
5.5
5.5
5.5
5.5
Unit
C
V
V
V
V
V
Note ) All voltages are relative to the VSS pin.
014008989-E-01
7
2015/4

7페이지


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AK2400

High integrated receiver

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