AD7418ARZ Analog Devices Inc, AD7418ARZ Datasheet
AD7418ARZ
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AD7418ARZ Summary of contents
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FEATURES 10-Bit ADC with 15 s and 30 s Conversion Times Single and Four Single-Ended Analog Input Channels On-Chip Temperature Sensor: – +125 C On-Chip Track-and-Hold Overtemperature Indicator Automatic Power-Down at the End of a Conversion Wide Operating ...
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AD7416/AD7417/AD7418 AD7417/AD7418–SPECIFICATIONS Parameter DC ACCURACY Resolution Minimum Resolution for Which No Missing Codes Are Guaranteed 2 Relative Accuracy 2 Differential Nonlinearity 2 Gain Error 2 Gain Error Match 2 Offset Error Offset Error Match ANALOG INPUTS Input Voltage Range 3 ...
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NOTES 1 B Version applies to AD7417 only with temperature range of –40°C to +85°C. A Version temperature range is –40°C to +125°C. For V and temperature sensor measurement error = ± 3°C. 2 See Terminology. 3 Refers to the ...
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AD7416/AD7417/AD7418 Pin No. Mnemonic Description Connection. Do not connect anything to this pin. 2 SDA Digital I/O. Serial bus bidirectional data. Push-pull output. 3 SCL Digital Input. Serial bus clock. 4 OTI This is a logic ...
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Pin No. Mnemonic Description 1 SDA Digital I/O. Serial bus bidirectional data. Push-pull output. 2 SCL Digital Input. Serial bus clock. 3 OTI This is a logic output. The OTI is set if the result of a conversion on Channel ...
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AD7416/AD7417/AD7418 1 ABSOLUTE MAXIMUM RATINGS (T = 25°C, unless otherwise noted AGND . . . . . . . . . . . . . . . . . . . . . . . . . ...
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Temperature Model Range AD7416ACHIPS AD7416AR –40°C to +125°C AD7416AR-REEL –40°C to +125°C AD7416AR-REEL7 –40°C to +125°C AD7416ARZ* –40°C to +125°C AD7416ARZ-REEL* –40°C to +125°C AD7416ARZ-REEL7* –40°C to +125°C AD7416ARM –40°C to +125°C AD7416ARM-REEL –40°C to +125°C AD7416ARM-REEL7 –40°C to +125°C ...
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AD7416/AD7417/AD7418 (continued from page compatible serial interface allows the AD7416/AD7417/ AD7418 registers to be written to and read back. The three LSBs of the AD7416/AD7417’s serial bus address can be selected, which allows up to ...
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TYPICAL CONNECTION DIAGRAM Figure 2 shows a typical connection diagram for the AD7417. Using the A0, A1, and A2 pins allows the user to select from up to eight AD7417s on the same serial bus, if desired. An external 2.5 ...
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AD7416/AD7417/AD7418 Figure 5 shows the method the AD7416/AD7417/AD7418 uses to measure the device temperature. To measure V sor (substrate transistor) is switched between operating currents of I and N × I. The resulting waveform is passed through a chopper-stabilized amplifier ...
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CONFIGURATION REGISTER (ADDRESS 01h) The Configuration Register is an 8-bit, read/write register that is used to set the operating modes of the AD7416/AD7417/ AD7418. Bits control the channel selection as outlined in Table VI. These bits should ...
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AD7416/AD7417/AD7418 or the addresses can be set to avoid conflicts with other devices on the bus. The four MSBs of this address for the AD7418 are set to 0101, while the three LSBs are all set to zero ...
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Address Pointer Register, followed by the data byte writ- ten to the selected data register. This is illustrated in Figure 9. 3. Writing two bytes of data to the T OTI If 9-bit resolution is required for the temperature ...
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AD7416/AD7417/AD7418 Please note that when reading back from the ADT7416/ ADT7417/ADT7418, no more than three bytes of data must be read back. A STOP command must be inserted at the end of the read communication STOP command is ...
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V, for each 400 µs cycle, the AD7416 spends With µs (or 10% of the time) in conversion mode. It spends 360 µs (or 90% of time) in partial power-down mode. Thus, the aver- ...
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AD7416/AD7417/AD7418 FAN CONTROLLER Figure 14 shows a simple fan controller that will switch ON a cooling fan when the temperature exceeds 80°C and switch it OFF again when the temperature falls below 75°C. The AD7416 can be used standalone in ...
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Standard Small Outline Package [SOIC] Narrow Body (R-16) Dimensions shown in millimeters and (inches) 10.00 (0.3937) 9.80 (0.3858 6.20 (0.2441) 4.00 (0.1575) 5.80 (0.2283) 3.80 (0.1496 1.75 (0.0689) 1.27 (0.0500) BSC 1.35 (0.0531) 0.25 (0.0098) ...
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AD7416/AD7417/AD7418 Revision History Location 8/04—Data Sheet Changed from REV REV. G. Changes to Figure ...
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