AS1524 EB austriamicrosystems, AS1524 EB Datasheet
AS1524 EB
Specifications of AS1524 EB
Related parts for AS1524 EB
AS1524 EB Summary of contents
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... Data access are made via an external clock through the SPI-/QSPI-/MICROWIRE-compatible 3-wire high-speed serial interface. The AS1525/AS1524 are available in a 8-pin TDFN (3x3mm) package. Figure 1. AS1524/AS1525 - Block Diagram CNVST AIN1/AIN+ AIN2/AIN- www.austriamicrosystems.com 2 Key Features ! Single-Supply Operation: +2.7V to +5.25V ! Automatic Shutdown Between Conversions Low Power Consumption ! - 350µA @ 150ksps - 245µ ...
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... Application Information ....................................................................................................................... 15 Automatic Shutdown Mode .................................................................................................................................15 External Reference .............................................................................................................................................15 Performing a Conversion ....................................................................................................................................15 Standard Interface Connections ..........................................................................................................................15 SPI and Microwire Interface ........................................................................................................................... 15 QSPI Interface ................................................................................................................................................16 PIC16 and SSP Module and PIC17 Interface ................................................................................................17 Layout and Grounding Considerations 10 Package Drawings and Markings 11 Ordering Information ........................................................................................................................ 21 www.austriamicrosystems.com ........................................................................................................ 8 .......................................................................................................... 11 ...................................................................................................................... 11 .........................................................................................12 .............................................................................................................. 19 .................................................................................................... 20 Revision 1. ...
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... Pin Name 1 VDD 2 AIN1/AIN+ 3 AIN2/AIN- 4 GND 5 REF 6 CNVST 7 DOUT 8 SCLK www.austriamicrosystems.com SCLK DOUT AS1524/ AS1525 3 6 CNVST GND 4 5 REF Description Positive Supply Voltage. +2.7V to +5.25V. Note: Bypass with a 0.1µF capacitor to GND. Analog Input Channel 1 (AS1525) or Positive Analog Input (AS1524) ...
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... VDD to GND CNVST, SCLK, DOUT, REF, AIN1/ AIN+, AIN2/AIN- to GND Current into Any Pin Continuous Power Dissipation Operating Temperature Range Storage Temperature Range Package Body Temperature www.austriamicrosystems.com may cause permanent damage to the device. These are stress ratings only, Min Max Units -0 ...
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... Range IN Input Leakage Current Input Capacitance External Reference Input V V Range REF IN I Input Current REF www.austriamicrosystems.com = 8MHz (50% Duty Cycle); AIN- = GND (AS1524) SCLK = +25ºC. Unipolar Mode (AS1524). AMB Condition No Missing Codes Over Temperature = 2.5V , 150ksps P-P SCLK -3dB Point -0.1dB Point ...
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... Tri-State Output Capacitance Power Requirements V Positive Supply Voltage DD I Positive Supply Current DD PSR Power Supply Rejection 1. Offset nulled. 2. The absolute input voltage range for the analog inputs is from GND to V www.austriamicrosystems.com Condition I = 2mA SINK I = 4mA SINK I = 1.5mA SOURCE CNVST = GND CNVST = GND ...
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... Figure 3. DOUT Enable/Disable Time Load Circuits DOUT 6kΩ GND High-impedance and Figure 4. Detailed Serial Interface Timing Diagram CNVST SCLK DOUT www.austriamicrosystems.com = 8MHz (50% Duty Cycle); AIN- = GND (AS1524) SCLK = +25ºC. AMB Conditions C = 30pF (see Figure 3, Figure LOAD Figure 19 on page 12, Figure 20 on ...
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... Figure 9. Supply Current vs. Temperature, V 360 150ksps 320 280 240 100ksps 200 160 120 80 10ksps 40 1ksps 0 -45 -30 - Temperature (°C) www.austriamicrosystems.com = 4.7µ +25ºC (unless otherwise specified). REF AMB Figure 6. Differential Nonlinearity vs. Digital Output Code 1 0.8 0.6 0.4 0.2 0 -0.2 -0.4 -0.6 -0.8 -1 4096 ...
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... Supply Voltage (V) Figure 13. Offset Error vs. Supply Voltage 2.7 3.2 3.7 4.2 Supply Voltage (V) Figure 15. Gain Error vs. Supply Voltage 2.7 3.2 3.7 4.2 Supply Voltage (V) www.austriamicrosystems.com Figure 12. Shutdown Current vs. Temperature 100 4.7 5.2 -45 -30 -15 0 Figure 14. Offset Error vs. Temperature 4.7 5.2 -45 -30 -15 Figure 16 ...
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... AS1524/AS1525 Datasheet - Figure 17. FFT @ 10kHz 0 f SAMPLE N = 32768 FFT -20 SNR=72.7dB THD = -79.3dB -40 SFDR = 83.5dB -60 -80 -100 -120 -140 -160 Input Signal Frequency (kHz) www.austriamicrosystems.com = 150ksps 60 75 Revision 1. ...
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... DOUT after 3.7µs. Data can then be clocked out using SCLK. Clock out all 12 bits of data before driving CNVST high for the next conversion. If all 12 bits of data are not clocked out before CNVST is driven high, AIN2 is selected for the next conversion. www.austriamicrosystems.com REF 12-Bit Capacitive DAC ...
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... The AS1524 then performs a conversion and shuts down automatically. The MSB is available at DOUT after 3.7µs. Data can then be clocked out using SCLK. Note: If all 12 bits of data are not clocked out before CNVST is driven high, bipolar mode is selected for the next con- version. www.austriamicrosystems.com Sampling Instant 4 8 ...
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... Figure 21. AS1524/AS1525 Unipolar Transfer Function Full Scale = V REF Zero Scale = GND 1 LSB = V /4096 REF www.austriamicrosystems.com and GND allow the analog input pins to swing from GND DD by more than 50mV or be lower than GND by DD illustrate the conversion timing for the AS1524/AS1525. The 12-bit Full-Scale Transition 11 ...
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... Datasheet - Figure 22. AS1524 Bipolar Transfer Function Full Scale = V /2 REF -Full Scale = -V /2 REF Zero Scale = 0 1 LSB = V /4096 REF www.austriamicrosystems.com 011...111 011...110 000...010 000...001 000...000 111...111 111...110 111...101 100...001 100...000 -FS ...
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... SCLK’s rising edge. The first 8-bit data stream contains the first 8-bits of DOUT starting with the MSB. The second 8-bit data stream contains the remaining four result bits. DOUT then goes high impedance. Figure 23. SPI Serial Interface Connections SSM www.austriamicrosystems.com + 50mV. DD (Figure 24), set CPOL = CPHA = 0. Two 8-bit readings are nec- ...
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... One 12- to 16-bit reads are necessary to obtain the entire 12-bit result from the AS1524/AS1525. SCLK DOUT data transitions on the serial clock’s falling edge and is clocked into the processor on SCLK’s rising edge. The first 12 bits are the data. DOUT then goes high impedance Figure 26. QSPI Serial Interface Connections SSM www.austriamicrosystems.com 8 SK SCLK AS1524/ 6 ...
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... The first 8-bit data stream contains the first 8 data bits starting with the MSB. The second data stream contains the remaining bits, D3 through D0. Figure 29. SPI Interface Timing with PIC16/PIC17 in Master Mode (CKE = 1. CKP = 0. SMP = 0, SSPM3:SSPM0 = 0001) Sampling Instant CNVST 1 SCLK B11 DOUT B10 B9 MSB www.austriamicrosystems.com Table 6 on page 18 8 SCLK ...
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... UA Bit Bit 0 X www.austriamicrosystems.com Synchronous Serial Port Control Register (SSPCON) Write Collision Detection Bit Receive Overflow Detect Bit Synchronous Serial Port Enable 0: Disables serial port and configures these pins as I/O port pins. 1: Enables serial port and configures SCK, SDO, and SCI pins as serial port pins ...
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... Keep the voltage feedback network very close to the device, within 5mm (0.2”) of the pin. ! Keep noisy traces, such as those from the pin LX, away from the voltage feedback network and guarded from them using grounded copper traces. Figure 30. Recommended Ground Design Power Supplies www.austriamicrosystems.com (see Figure + +3V GND DGND 4 ...
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... The terminal #1 identifier may be either a mold or marked feature. 6. Dimension b applies to metallized terminal and is measured between 0.15mm and 0.30mm from the terminal tip refers to the maximum number of terminals on side D. 8. Unilateral coplanarity zone applies to the exposed heat sink slug as well as the terminals www.austriamicrosystems.com SEE DETAIL ...
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... For further information and requests, please contact us or find your local distributor at www.austriamicrosystems.com Table 8. Description Delivery Form Tape & Reel Tape & Reel http://www.austriamicrosystems.com/ICdirect mailto:sales@austriamicrosystems.com http://www.austriamicrosystems.com/distributor Revision 1.02 Package 8-pin TDFN (3x3mm) Tray 8-pin TDFN (3x3mm) 8-pin TDFN (3x3mm) Tray 8-pin TDFN (3x3mm ...
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... The information furnished here by austriamicrosystems AG is believed to be correct and accurate. However, austriamicrosystems AG shall not be liable to recipient or any third party for any damages, including but not limited to personal injury, property damage, loss of profits, loss of use, interruption of business or indirect, special, incidental or consequential damages, of any kind, in connection with or arising out of the furnishing, performance or use of the technical data herein ...