ADT7517ARQZ Analog Devices Inc, ADT7517ARQZ Datasheet
ADT7517ARQZ
Specifications of ADT7517ARQZ
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ADT7517ARQZ Summary of contents
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FEATURES ADT7516: four 12-bit DACs ADT7517: four 10-bit DACs ADT7519: four 8-bit DACs Buffered voltage output Guaranteed monotonic by design over all codes 10-bit temperature-to-digital converter 10-bit 4-channel ADC DC input bandwidth Input range 2.28 V Temperature ...
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ADT7516/ADT7517/ADT7519 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 Pin Configuration............................................................................. 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 DAC AC Characteristics.............................................................. 6 Timing Diagrams.......................................................................... 7 Functional Block Diagram .............................................................. 8 Absolute Maximum Ratings............................................................ 9 ESD Caution.................................................................................. ...
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SPECIFICATIONS Temperature range is as follows: A version: −40°C to +120°C, V Table 1. Parameter DAC DC PERFORMANCE ADT7519 Resolution Relative Accuracy Differential Nonlinearity ADT7517 Resolution Relative Accuracy Differential Nonlinearity ADT7516 Resolution Relative Accuracy Differential Nonlinearity Offset ...
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ADT7516/ADT7517/ADT7519 1 Parameter External Temperature Sensor Accuracy @ V = 3.3 V ±10% DD Accuracy @ ±5% DD Resolution Output Source Current Thermal Voltage Output 8-Bit DAC Output Resolution Scale Factor 10-Bit DAC Output Resolution Scale ...
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Parameter ON-CHIP REFERENCE 4 Reference Voltage 4 Temperature Coefficient 4 OUTPUT CHARACTERISTICS 6 Output Voltage DC Output Impedance Short Circuit Current Power-Up Time 4 DIGITAL INPUTS Input Current V , Input Low Voltage Input High Voltage ...
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ADT7516/ADT7517/ADT7519 1 Parameter I (Power-Down Mode) DD Power Dissipation 1 See the Terminology section specifications are tested with the outputs unloaded. 3 Linearity is tested using a reduced code range: ADT7516 (Code 115 to 4095); ADT7517 (Code 28 ...
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TIMING DIAGRAMS DATA IN DATA OUT SCLK DIN DOUT SCL SDA t 3 SDA 2 Figure Bus Timing Diagram 2 t ...
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ADT7516/ADT7517/ADT7519 FUNCTIONAL BLOCK DIAGRAM INTERNAL TEMPERATURE VALUE REGISTER ON-CHIP TEMPERATURE SENSOR EXTERNAL TEMPERATURE VALUE REGISTER D+/AIN1 7 D–/AIN2 8 A-TO-D ANALOG CONVERTER MUX LDAC/AIN3 9 AIN4 VALUE REGISTER AIN1 V VALUE REGISTER DD SENSOR AIN2 VALUE REGISTER ...
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ABSOLUTE MAXIMUM RATINGS Table 3. Parameter V to GND DD Analog Input Voltage to GND Digital Input Voltage to GND Digital Output Voltage to GND Reference Input Voltage to GND Operating Temperature Range Storage Temperature Range Junction Temperature 1 Power ...
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ADT7516/ADT7517/ADT7519 PIN CONFIGURATION AND FUNCTIONAL DESCRIPTIONS Table 5. Pin Function Descriptions Pin No. Mnemonic Description Buffered Analog Output Voltage from DAC B. The output amplifier has rail-to-rail operation. OUT Buffered Analog Output Voltage from ...
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TYPICAL PERFORMANCE CHARACTERISTICS 0.20 0.15 0.10 0.05 0 –0.05 –0.10 –0.15 –0. 100 150 DAC CODE Figure 8. ADT7519 Typical DAC INL Plot 0.6 0.4 0.2 0 –0.2 –0.4 –0.6 0 200 400 600 DAC CODE Figure 9. ...
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ADT7516/ADT7517/ADT7519 0.30 0.25 INL WCP 0.20 0.15 0.10 0.05 DNL WCP 0 DNL WCN –0.05 INL WCN –0.10 1.0 1.5 2.0 2.5 3.0 3.5 V (V) REF Figure 14. ADT7519 DAC INL and DNL Error vs. V 0.14 INL WCP ...
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ADC OFF DAC OUTPUTS AT 0V 1.95 1.90 1.85 1.80 1.75 2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5 4.7 V (V) CC Figure 20. Supply Current vs. Supply Voltage @ 25° ...
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ADT7516/ADT7517/ADT7519 0 –2 –4 –6 –8 –10 – (V) REF Figure 26. DAC Full-Scale Error vs. V 2.329 REF 2.328 DAC OUTPUT LOADED TO MIDSCALE 2.327 2.326 2.325 2.324 ...
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OFFSET ERROR –1 –2 –3 2.7 3.1 3.5 3.9 4.3 V (V) DD Figure 32. ADC Offset Error and Gain Error vs TEMPERATURE = 25° GND 0 –5 D+ ...
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ADT7516/ADT7517/ADT7519 140 EXTERNAL TEMPERATURE 120 100 INTERNAL TEMPERATURE TIME (s) Figure 38. Temperature Sensor Response to Thermal Shock Figure 39. DAC Multiplying Bandwidth (Small Signal Frequency Response) Rev. ...
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TERMINOLOGY Relative Accuracy Relative accuracy or integral nonlinearity (INL measure of the maximum deviation, in LSBs, from a straight line passing through the endpoints of the transfer function. Typical INL vs. code plots are shown in Figure 8, ...
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ADT7516/ADT7517/ADT7519 Analog Crosstalk Analog crosstalk is the glitch impulse transferred to the output of one DAC due to a change in the output of another DAC measured by loading one of the input registers with a full-scale code ...
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THEORY OF OPERATION Directly after the power-up calibration routine, the ADT7516/ ADT7517/ADT7519 go into idle mode. In this mode, the devices are not performing any measurements and are fully powered up. All four DAC outputs are ...
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ADT7516/ADT7517/ADT7519 The ADT7516/ADT7517/ADT7519 power up with averaging on. This means every channel is measured 16 times and inter- nally averaged to reduce noise. The conversion time can also be sped up by turning off the averaging. This is done by ...
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DAC Reference Inputs There is an input reference pin for the DACs. This reference input is buffered (see Figure 44). The advantage of the buffered input is the high impedance it presents to the voltage source driving it. The user ...
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ADT7516/ADT7517/ADT7519 Table 7. Thermal Voltage Output ( O/P Voltage (V) Default °C Max °C 0 –40 –128 0.25 –26 –114 0.5 +12 –100 0.75 +3 –85 1 +17 –71 1.12 +23 –65 1.47 +43 –45 1.5 ...
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FUNCTIONAL DESCRIPTION—ANALOG INPUTS Single-Ended Inputs The ADT7516/ADT7517/ADT7519 offer four single-ended analog input channels. The analog input range is from 2. maintain the linearity specification recommended that ...
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ADT7516/ADT7517/ADT7519 100Ω AIN 4pF Figure 52. Equivalent Analog Input ESD Circuit AIN Interrupts The measured results from the AIN inputs are compared with the AIN V (greater than comparison) and V HIGH equal to comparison) limits. An interrupt occurs if ...
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FUNCTIONAL DESCRIPTION—MEASUREMENT Temperature Sensor The ADT7516/ADT7517/ADT7519 contain an ADC with special input signal conditioning to enable operation with external and on-chip diode temperature sensors. When the ADT7516/ADT7517/ADT7519 operate in single-channel mode, the ADC continually processes the measurement taken on one ...
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ADT7516/ADT7517/ADT7519 Table 8. V Data Format ( REF Digital Output V Value (V) Binary DD 2.7 01 1000 1011 3 01 1011 0111 3.5 10 0000 0000 4 10 0100 1001 4.5 10 1001 0010 5 ...
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If an NPN transistor is used, the emitter is connected to the D− input and the base to the D+ input. A 2N3906 is recommended as the external transistor. To prevent ground noise from interfering with the measurement, the ...
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ADT7516/ADT7517/ADT7519 Table 9. Temperature Data Format (Internal and External Temperature) Temperature Digital Output –40°C 11 0110 0000 –25°C 11 1001 1100 –10°C 11 1101 1000 –0.25°C 11 1111 1111 0°C 00 0000 0000 +0.25°C 00 0000 0001 +10°C 00 0010 ...
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R/W Address Name 0x14 DAC C LSBs (ADT7516/ADT7517 only) 0x15 DAC C MSBs 0x16 DAC D LSBs (ADT7516/ADT7517 only) 0x17 DAC D MSBs 0x18 Control Configuration 1 0x19 Control Configuration 2 0x1A Control Configuration 3 0x1B DAC Configuration 0x1C LDAC ...
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ADT7516/ADT7517/ADT7519 Table 13. Bit Function D0 LSB of internal temperature value. D1 Bit 1 of internal temperature value. D2 LSB of V value Bit value. DD External Temperature Value and Analog Input 1 to Analog ...
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ADT7517 LSB N/A N/A N N/A N/A N/A 1 Default settings at power-up. DAC A Register MSBs (Read/Write) [Address = 0x11] This 8-bit read/write register contains the eight MSBs of ...
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ADT7516/ADT7517/ADT7519 Control Configuration 1 Register (Read/Write) [Address = 0x18] This configuration register is an 8-bit read/write register that is used to set up some of the operating modes of the ADT7516/ ADT7517/ADT7519. Table 15. Control Configuration ...
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Table 18. Bit Function C0 Selects between fast and slow ADC conversion speeds ADC clock at 1.4 kHz ADC clock at 22.5 kHz. D+ and D– analog filters are disabled the ADT7516 and ADT7517, ...
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ADT7516/ADT7517/ADT7519 Table 21. Bit Function enable internal T interrupt. HIGH 1 = disable internal T interrupt. HIGH enable internal T interrupt. LOW 1 = disable internal T interrupt. LOW enable external ...
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V V Limit Register (Read/Write) [Address = 0x23] DD HIGH This limit register is an 8-bit read/write register that stores the V upper limit, and causes an interrupt and activates the DD INT/ INT output (if enabled). For this to ...
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ADT7516/ADT7517/ADT7519 Default settings at power-up. AIN2 V Limit Register (Read/Write) [Address = 0x2B] HIGH This limit register is an ...
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SERIAL INTERFACE There are two serial interfaces that can be used on this part, I and SPI. The device powers up with the serial interface in I mode, but it is not locked into this mode. To stay in I ...
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ADT7516/ADT7517/ADT7519 Serial Interface 2 Like all I C-compatible devices, the ADT7516/ADT7517/ ADT7519 have a 7-bit serial address. The four MSBs of this address for the ADT7516/ADT7517/ADT7519 are set to 1001. The three LSBs are set by Pin ...
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SCL SDA START BY MASTER FRAME 1 SERIAL BUS ADDRESS BYTE 2 Figure 61. I C—Writing to the Address Pointer Register Followed by a Single Byte of Data to the Selected Register 1 SCL SDA ...
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ADT7516/ADT7517/ADT7519 CS 1 SCLK DIN START WRITE COMMAND Figure 63. SPI—Writing to the Address Pointer Register Followed by a Single Byte of Data to the Selected Register Write Operation Figure 63 shows the timing diagram for a ...
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CS 1 SCLK D6 D5 DIN START WRITE COMMAND Figure 64. SPI—Writing to the Address Pointer Register to Select a Register for a Subsequent Read Operation CS 1 SCLK D6 DIN D7 D5 DOUT ...
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ADT7516/ADT7517/ADT7519 SMBus/SPI INT/ INT The ADT7516/ADT7517/ADT7519 INT/ INT outputs are an interrupt line for devices that want to trade their ability to master for an extra pin. The ADT7516/ADT7517/ADT7519 are slave devices and use the SMBus/SPI INT/ INT to signal ...
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... ADT7517ARQ-REEL7 –40°C to +120°C 1 ADT7517ARQZ –40°C to +120°C 1 ADT7517ARQZ-REEL –40°C to +120°C 1 ADT7517ARQZ-REEL7 –40°C to +120°C ADT7516ARQ –40°C to +120°C ADT7516ARQ-REEL –40°C to +120°C ADT7516ARQ-REEL7 –40°C to +120°C 1 ADT7516ARQZ –40°C to +120°C ...
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ADT7516/ADT7517/ADT7519 NOTES 2 Purchase of licensed I C components of Analog Devices or one of its sublicensed Associated Companies conveys a license for the purchaser under the Philips I 2 Rights to use these components system, ...