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ATA8201 데이터시트 PDF




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부품번호 ATA8201 기능
기능 UHF ASK/FSK Receiver
제조업체 ATMEL Corporation
로고 ATMEL Corporation 로고


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ATA8201 데이터시트, 핀배열, 회로
ATA8201/ATA8202
UHF ASK/FSK Receiver
DATASHEET
Features
Transparent RF receiver ICs for 315MHz (Atmel® ATA8201) and 433.92MHz
(Atmel ATA8202) with high receiving sensitivity
Fully integrated PLL with low phase noise VCO, PLL, and loop filter
High FSK/ASK sensitivity:
–105dBm (Atmel ATA8201, FSK, 9.6Kbits/s, Manchester, BER 10-3
–114dBm (Atmel ATA8201, ASK, 2.4Kbits/s, Manchester, BER 10-3)
–104dBm (Atmel ATA8202, FSK, 9.6Kbits/s, Manchester, BER 10-3)
–113dBm (Atmel ATA8202, ASK, 2.4Kbits/s, Manchester, BER 10-3)
Supply current: 6.5mA in Active Mode (3V, 25°C, ASK Mode)
Data rate: 1Kbit/s to 10Kbits/s Manchester ASK, 1Kbit/s to 20Kbits/s Manchester
FSK with four programmable bit rate ranges
Switching between modulation types ASK/FSK and different data rates possible in
1ms typically, without hardware modification on board to allow different
modulation schemes
Low standby current: 50µA at 3V, 25°C
ASK/FSK receiver uses a low-IF architecture with high selectivity, blocking, and low
intermodulation (typical 3-dB blocking 68.0dBC at ±3MHz/74.0dBC at ±20.0MHz,
system I1dBCP = –31dBm/system IIP3 = –24dBm)
Telegram pause up to 52ms supported in ASK Mode
Wide bandwidth AGC to handle large out-of-band blockers above the system
I1dBCP
440-kHz IF frequency with 30-dB image rejection and 420-kHz IF bandwidth to
support PLL transmitters with standard crystals or SAW-based transmitters
RSSI (received signal strength indicator) with output signal dynamic range of 65dB
Low in-band sensitivity change of typically ±2.0dB within ±160-kHz center
frequency change in the complete temperature and supply voltage range
Sophisticated threshold control and quasi-peak detector circuit in the data slicer
Fast and stable XTO start-up circuit (> –1.4 kΩ worst-case start impedance)
Clock generation for microcontroller
ESD protection at all pins (±4kV HBM, ±200V MM, ±500V FCDM)
4971G-INDCO-09/14




ATA8201 pdf, 반도체, 판매, 대치품
Figure 1-2. Pinning QFN24
TEST2
TEST1
CLK_OUT
CLK_OUT_CTRL1
CLK_OUT_CTRL0
ENABLE
24 23 22 21 20 19
1 18
2 17
3 16
4 15
5 14
6 13
7 8 9 10 11 12
TEST3
RSSI
SENSE_CTRL
SENSE
LNA_IN
LNA_GND
Table 1-1.
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Pin Description
Symbol
TEST2
TEST1
CLK_OUT
CLK_OUT_CTRL1
CLK_OUT_CTRL0
ENABLE
XTAL2
XTAL1
DVCC
VS5V
VS3V_AVCC
GND
LNA_GND
LNA_IN
SENSE
16 SENSE_CTRL
17 RSSI
18 TEST3
19 RX
20 BR0
21 BR1
22 ASK_NFSK
23 CDEM
24 DATA_OUT
GND
Function
Test pin, during operation at GND
Test pin, during operation at GND
Output to clock a connected microcontroller
Input to control CLK_OUT (MSB)
Input to control CLK_OUT (LSB)
Input to enable the XTO
Reference crystal
Reference crystal
Digital voltage supply blocking
Power supply input for voltage range 4.5V to 5.5V
Power supply input for voltage range 2.7V to 3.3V
Ground
RF ground
RF input
Sensitivity control resistor
Sensitivity selection
Low: Normal sensitivity, High: Reduced sensitivity
Output of the RSSI amplifier
Test pin, during operation at GND
Input to activate the receiver
Bit rate selection, LSB
Bit rate selection, MSB
FSK/ASK selection
Low: FSK, High: ASK
Capacitor to adjust the lower cut-off frequency data filter
Data output
Ground/backplane (exposed die pad)
4 ATA8201/ATA8202 [DATASHEET]
4971G–INDCO–09/14

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ATA8201 전자부품, 판매, 대치품
Table 2-2. Input Matching to 50Ω
fRF [MHz]
315
433.92
C1 [pF]
2.2
2.2
L1 [nH]
68
36
QL1
20
15
Table 2-3. Measured Typical Sensitivity FSK, ±38 kHz, Manchester, BER = 10–3
RF Frequency
315MHz
433.92MHz
BR_Range_0
1.0Kbit/s
–108dBm
–107dBm
BR_Range_0
2.5Kbits/s
–108dBm
–107dBm
BR_Range_1
5Kbits/s
–107dBm
–106dBm
BR_Range_2
10Kbits/s
–105dBm
–104dBm
BR_Range_3
10Kbits/s
–104dBm
–103dBm
BR_Range_3
20Kbits/s
–104dBm
–103dBm
Table 2-4. Measured Typical Sensitivity 100% ASK, Manchester, BER = 10–3
RF Frequency
315MHz
433.92MHz
BR_Range_0
1.0Kbit/s
–114dBm
–113dBm
BR_Range_0
2.5Kbits/s
–114dBm
–113dBm
BR_Range_1
5Kbits/s
–113dBm
–112dBm
BR_Range_2
10Kbits/s
–111dBm
–110dBm
BR_Range_3
10Kbits/s
–109dBm
–108dBm
Conditions for the sensitivity measurement:
The given sensitivity values are valid for Manchester-modulated signals. For the sensitivity measurement the distance from
edge to edge must be evaluated. As can be seen in Figure 6-1 on page 21, in a Manchester-modulated data stream, the time
segments TEE and 2 × TEE occur.
To reach the specified sensitivity for the evaluation of TEE and 2 × TEE in the data stream, the following limits should be used
(TEE min, TEE max, 2 × TEE min, 2 × TEE max).
Table 2-5. Limits for Sensitivity Measurements
Bit Rate
1.0Kbit/s
2.4Kbits/s
5.0Kbits/s
9.6Kbits/s
TEE Min
260µs
110µs
55µs
27µs
TEE Typ
500µs
208µs
100µs
52µs
TEE Max
790µs
310µs
155µs
78µs
2 × TEE Min
800µs
320µs
160µs
81µs
2 × TEE Typ
1000µs
416µs
200µs
104µs
2 × TEE Max
1340µs
525µs
260µs
131µs
ATA8201/ATA8202 [DATASHEET]
4971G–INDCO–09/14
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관련 데이터시트

부품번호상세설명 및 기능제조사
ATA8201

UHF ASK/FSK Receiver

ATMEL Corporation
ATMEL Corporation
ATA8202

UHF ASK/FSK Receiver

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ATMEL Corporation

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