Product Details
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GENERAL DESCRIPTION The AD5700/AD5700-1 are single-chip solutions, designed and specified to operate as a HART® FSK half-duplex modem, complying with the HART physical layer requirements. The AD5700/AD5700-1 integrateall of the necessary filtering, signal detection, modulating, demodulating and signal generation functions, thus requiring few external components. The 0.5% precision internal oscillator on the AD5700-1 greatly reduces the board space requirements, making it ideal for line-powered applications in both master and slave configurations. The maximum supply current consumption is 115µA, making the AD5700/AD5700-1 an optimal choicefor lowpower loop-powered applications. Transmit waveforms are phase continuous 1200 Hz and 2200 Hz sinusoids. The AD5700/AD5700-1 contain accurate carrier detect circuitry and use a standard UART interface.
HART-compliant fully integrated FSK modem 1200 Hz and 2200 Hz sinusoidal shift frequencies 115 µA maximum supply current in receive mode Suitable for intrinsically safe applications Integrated receive band-pass filter Minimal external components required Clocking optimized for various system configurations Ultralow power crystal oscillator (60 µA maximum) External CMOS clock source Precision internal oscillator (AD5700-1only) Buffered HART output—extra drive capability 8 kV HBM ESD rating 1.71 V to 5.5 V power supply 1.71 V to 5.5 V interface −40°C to +125°C operation 4 mm × 4 mm LFCSP package HART physical layer compliant UART interface
Field transmitters HART multiplexers PLC and DCS analog I/O modules HART network connectivity |
Product Description
| Type | Description |
| ANSC PART# | ANSC - AD5700-1ACPZ-RL7 |
| Category | Integrated Circuits (ICs) |
| Interface | |
| Modems - ICs and Modules | |
| Manufacturer | Original |
| Series | - |
| Packaging | Tape & Reel (TR) |
| Cut Tape (CT) | |
| / | |
| Part Status | Active |
| Data Format | HART |
| Baud Rates | - |
| Voltage - Supply | 1.71V ~ 5.5V |
| Mounting Type | Surface Mount |
| Package / Case | 24-WFQFN Exposed Pad, CSP |
| Supplier Device Package | 24-LFCSP-WQ (4x4) |
| Base Product Number | AD5700 |
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