A5191HRT_11 ONSEMI [ON Semiconductor], A5191HRT_11 Datasheet
A5191HRT_11
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A5191HRT_11 Summary of contents
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A5191HRT HART Modem Description The A5191HRT is a single−chip, CMOS modem for use in highway addressable remote transducer (HART) field instruments and masters. The modem and a few external passive components provide all of the functions needed to satisfy HART ...
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VDD RESET Demodulator RxD Logic Carrier Detect CD Counter Numeric TxD Controlled Oscillator RTS Crystal Oscillator XOUT XIN Table 1. ABSOLUTE MAXIMUM RATINGS Symbol T Ambient A T Storage Temperature S V Supply Voltage Input, ...
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Table 2. DC CHARACTERISTICS (V Symbol Parameter V Input Voltage, Low IL V Input Voltage, High IH V Output Voltage, Low ( Output Voltage, High ( Input Capacitance of: IN Analog Input RXA Digital Input ...
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Table 4. MODEM CHARACTERISTICS Parameter Demodulator jitter Conditions 1. Input frequencies at 1200 Hz ± 10 Hz, 2200 Hz ± Clock frequency of 460.8 kHz ± 0.1% 3. Input (RxA) asymmetry, 0 Table 5. CERAMIC RESONATOR − ...
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TEST5 RESET TEST7 TEST8 TEST9 AREF Table 6. PIN OUT SUMMARY 28−PIN PLCC Pin No. Signal Name 1 TEST1 TEST2 TEST5 6 RESETB TEST7 TxA 11 AREF 12 ...
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TEST5 1 RESET 2 TEST7 3 TEST8 4 A5191HRT TEST9 5 VSS 6 7 TxA AREF 8 Figure 4. Pin Out A5191HRT in 32-pin QFN and LQFP (top view) Table 7. PIN OUT SUMMARY 32−PIN QFN AND LQFP Pin No. ...
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Pin Descriptions Table 8. PIN DESCRIPTIONS Symbol Pin Name AREF Analog reference voltage CDREF Carrier detect reference voltage RESETB Reset digital logic RTSB Request to send RxA Analog receive input RxAFI Analog receive comparator input TxD Digital transmit input XIN ...
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Functional Description The A5191HRT is a single-chip modem for use in Highway Addressable Remote Transducer (HART) field instruments and masters. The modem IC contains a transmit data modulator with signal shaper, carrier detect circuitry, an analog receiver, demodulator circuitry and ...
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Receive Filter and Comparator The received FSK signal first is filtered using a band-pass filter build around the low noise receiver operational amplifier “Rx HP filter”. This filter blocks interferences outside the HART signal band ...
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Internal Oscillator Option The oscillator cell will function with either a 460.8 kHz crystal or ceramic resonator. A parallel resonant ceramic resonator can be connected between XIN and XOUT. Figure 12 illustrates the crystal option for clock generation using a ...
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PACKAGE DIMENSIONS PLCC 28 LEAD CASE 776AA−01 ISSUE O http://onsemi.com 11 ...
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D PIN ONE É É LOCATION É É 0.15 C TOP VIEW 2 X 0.15 C (A3 SIDE VIEW ...
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PACKAGE DIMENSIONS LQFP−32, 7x7 CASE 561AB−01 ISSUE O http://onsemi.com 13 ...
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Ordering Information The A5191HRT is available in a 28−pin plastic leaded chip carrier (PLCC), 32−pin quad flat no−lead (QFN) and 32−pin low−profile quad flat pack (LQFP). Use the following part numbers when ordering. Contact your local sales representative for more ...