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AS3932 数据表(PDF) 1 Page - ams AG |
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AS3932 数据表(HTML) 1 Page - ams AG |
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1 / 34 page  AS3932 3D Low Frequency Wakeup Receiver www.ams.com/LF-Receiver/AS3932 Revision 1.7 1 - 34 1 General Description The AS3932 is a 3-channel low power ASK receiver that is able to generate a wake-up upon detection of a data signal which uses a LF carrier frequency between 110 - 150 kHz. The integrated correlator can be used for detection of a programmable 16-bit wake-up pattern. The device can operate using one, two, or three active channels. The AS3932 provides a digital RSSI value for each active channel, it supports a programmable data rate. The AS3932 offers a real-time clock (RTC), which is either derived from a crystal oscillator or the internal RC oscillator. The programmable features of AS3932 enable to optimize its settings for achieving a longer distance while retaining a reliable wake-up generation. The sensitivity level of AS3932 can be adjusted in presence of a strong field or in noisy environments. The device is available in 16-pin TSSOP and 16LD QFN (4x4) packages. 2 Key Features 3-channel ASK wake-up receiver Carrier frequency range 110 - 150 kHz One, two, or three channel operation Reliable 1-D, 2-D or 3-D wake-up pattern detection Programmable wake-up pattern (16bits) Doubling of wake-up pattern supported Wake-up without pattern detection supported Wake-up sensitivity 100 µVRMS (typ.) Adjustable sensitivity level Highly resistant to false wake-ups False wake-up counter Periodical forced wake-up supported (1s – 2h) Low power listening modes Current consumption in 3-channel listening mode 1.7 µA (typ.) Programmable data-rate 0.5 – 4 kbaud (Manchester encoded) Digital RSSI values available for each channel Dynamic range 64dB 5 bit RSSI step (2dB per step) RTC based on 32kHz XTAL, RC-OSC, or External Clock Operating temperature range -40ºC to +85ºC Operating supply voltage 2.4V – 3.6V (TA = 25ºC) Bidirectional serial digital interface (SDI) Package option: 16-pin TSSOP, 16LD QFN (4x4) 3 Applications The AS3932 is ideal for Active RFID tags, Real-time location systems, Operator identification, Access control, and Wireless sensors. |
类似零件编号 - AS3932 |
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类似说明 - AS3932 |
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链接网址 |
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