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| 型号： | MICRF507YML TR |
| 厂商： | Micrel Inc |
| 文件页数： | 1/47页 |
| 文件大小： | 0K |
| 描述： | TXRX FSK LOW PWR W/AMP 32MLF |
| 特色产品： | MICRF507 Low-Power FSK Transceiver |
| 标准包装： | 1 |
| 系列： | RadioWire® |
| 频率： | 470MHz ~ 510MHz |
| 数据传输率 - 最大： | 200kbps |
| 调制或协议： | FSK |
| 应用： | AMR，ISM，SRD |
| 功率 - 输出： | 10dBm |
| 灵敏度： | -113dBm |
| 电源电压： | 2 V ~ 2.5 V |
| 电流 - 接收： | 12mA |
| 电流 - 传输： | 21.5mA |
| 数据接口： | PCB，表面贴装 |
| 天线连接器： | PCB，表面贴装 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 32-VFQFN 裸露焊盘，32-MLF? |
| 包装： | 标准包装 |
| 其它名称： | 576-3694-6 MICRF507YML TRDKR MICRF507YML TRDKR-ND |
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MICRF507
470MHz to 510MHz Low-Power FSK
Transceiver with +10dBm Power Amplifier
General Description
The MICRF507 is a fully-integrated FSK transceiver with
+10dBm power amplifier and transmit/receive switch. The
device is targeted at automated meter reading (AMR)
Features
RadioWire ?
applications in the China Short Range Device (SRD)
frequency band of 470MHz to 510MHz. The device
supports data rates up to 20kbps with PLL divider
modulation and up to 200kbps with VCO modulation. The
receiver achieves a sensitivity of -113dBm at a data rate of
2.4kbps while only consuming 12mA of supply current.
The integrated power amplifier (PA) delivers +10dBm of
output power while only consuming 21.5mA of supply
current. Power down supply current is a low 0.2μA while
retaining register information and a low 280μA in standby
mode where only the crystal oscillator is enabled.
The receiver of the MICRF507 utilizes a Zero IF (ZIF) I/Q
architecture, integrating a low-noise amplifier (LNA) with
bypass mode, I/Q quadrature mixers, three-pole Sallen-
Key IF channel pre-filters, and six-pole elliptic switched
capacitor IF filters, providing excellent selectivity, adjacent
channel rejection and blocking performance. FSK
demodulation is implemented digitally and a synchronizer,
when enabled, recovers the received bit clock. A receive
signal strength indicator (RSSI) circuit indicates the
received signal level over a 50dB range. An integrated
Frequency Error Estimator (FEE) and crystal tuning
capability allow fine tuning of the RF frequency.
The transmitter of the MICRF507 consists of an FSK
modulator and power amplifier with output power
adjustable from +10dBm to -3.5dBm in seven steps.
Modulation can be achieved by applying two sets of PLL
divider ratios or through direct VCO modulation by varying
VCO tank capacitance.
The MICRF507 requires a 2.0V to 2.5V supply voltage,
operates over the - 40?C to +85?C temperature range, and
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-113dBm sensitivity at 2.4kbps encoded bit rate
+10dBm power amplifier with seven gain steps
12mA receive supply current
21.5mA transmit supply current at +10dBm
0.2 μ A power down current (registers retain settings)
280μA standby current (crystal oscillator enabled)
Data rates up to 20kbps with PLL divider modulation
Data rates up to 200kbps with VCO modulation
Integrated transmit and receive (T/R) switch
LNA with bypass mode
Zero IF I/Q receiver architecture
IF pre-amplifiers with DC-offset removal
Three-pole Sallen-Key IF channel low-pass pre-filter
Six-pole elliptic switched capacitor IF low-pass filter
50kHz to 350kHz programmable baseband bandwidth
59dB blocking at ±1MHz offset
53dB adjacent channel rejection at ±500kHz offset
FSK digital demodulator with clock recovery
50dB Received Signal Strength Indicator (RSSI)
Frequency Error Estimator (FEE)
Reference crystal tuning capability
2.0 to 2.5V supply voltage range
- 40?C to +85?C operating temperature range
Available in 32-pin QFN package
(5.0mm × 5.0mm × 0.85mm)
is available in a 32-pin QFN package.
Applications
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China Short Range Device (SRD) Communications
Automated Meter Reading (AMR)
Advanced Metering Infrastructure (AMI)
Wireless Remote Meter Reading
RadioWire is a registered trademark of Micrel, Inc.
Micrel Inc. ? 2180 Fortune Drive ? San Jose, CA 95131 ? USA ? tel +1 (408) 944-0800 ? fax + 1 (408) 474-1000 ? http://www.micrel.com
October 2, 2013
Revision 2.2
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