EVAL-AD5232-10EBZ Analog Devices Inc, EVAL-AD5232-10EBZ Datasheet
EVAL-AD5232-10EBZ
Specifications of EVAL-AD5232-10EBZ
Related parts for EVAL-AD5232-10EBZ
EVAL-AD5232-10EBZ Summary of contents
Page 1
... The AD5232 is available in a thin, 16-lead TSSOP package. All parts are guaranteed to operate over the extended industrial temperature range of −40°C to +85°C. An evaluation board, the EVAL-AD5232-10EBZ, is available. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 Fax: 781.461.3113 ...
Page 2
... Operation from Dual Supplies ................................................. 20 Application Programming Examples ...................................... 20 Equipment Customer Start-up Sequence for a PCB Calibrated Unit with Protected Settings ..................................................... 21 Flash/EEMEM Reliability .......................................................... 21 Evaluation Board ........................................................................ 21 Outline Dimensions ....................................................................... 22 Ordering Guide .......................................................................... 22 Changes to Figure 2 and Figure 3 .................................................... 6 Changes to Figure 24 ...................................................................... 12 Added Figure 32 ...
Page 3
SPECIFICATIONS ELECTRICAL CHARACTERISTICS—10 kΩ, 50 kΩ, 100 kΩ VERSIONS ± 10 ± 10% and Table 1. Parameter DC CHARACTERISTICS, RHEOSTAT MODE 2 Resistor Differential Nonlinearity Resistor Nonlinearity 2 Nominal Resistor ...
Page 4
AD5232 Parameter 5, 9 DYNAMIC CHARACTERISTICS Bandwidth Total Harmonic Distortion V Settling Time W Resistor Noise Voltage Crosstalk ( Analog Crosstalk ( FLASH/EE MEMORY RELIABILITY 10 Endurance 11 Data Retention 1 Typical ...
Page 5
INTERFACE TIMING CHARACTERISTICS All input control voltages are specified with t characteristics are measured using both V Table Parameter Clock Cycle Time (t ) CYC CS Setup Time CLK Shutdown Time to CS Rise Input Clock Pulse ...
Page 6
AD5232 Timing Diagrams CLK CPOL = 1 HIGH OR LOW SDI t 8 SDO B16 RDY NOTES 1. B24 IS AN EXTRA BIT THAT IS NOT DEFINED, BUT IT IS USUALLY THE LSB OF THE ...
Page 7
ABSOLUTE MAXIMUM RATINGS T = 25°C, unless otherwise noted. A Table 3. Parameter V to GND GND GND − ...
Page 8
AD5232 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 5. Pin Function Descriptions Pin No. Mnemonic Description 1 CLK Serial Input Register Clock. Shifts in one bit at a time on positive clock edges. 2 SDI Serial Data Input. The MSB is ...
Page 9
TYPICAL PERFORMANCE CHARACTERISTICS 2. 2.7V 1. 1.50 SS 1.25 1.00 INL T = –40°C A INL T 0.75 0.50 0.25 0 –0.25 INL T = +85°C A –0.50 –0.75 –1.00 –1.25 –1.50 –1.75 –2.00 ...
Page 10
AD5232 5. 2. –50 –35 –20 – TEMPERATURE (°C) Figure 11. I vs. Temperature CH1 5.00V CH2 5.00V M 2.00ms CH3 5.00V ...
Page 11
+2. –2. – 100mV rms 25°C A –60 ...
Page 12
AD5232 TEST CIRCUITS Figure 22 to Figure 32 define the test conditions that are used in the Specifications section. NC DUT CONNECT Figure 22. Resistor Position Nonlinearity Error (Rheostat Operation; ...
Page 13
DUT W V GND CONNECT Figure 30. Common-Mode Leakage Current RDAC1 RDAC2 OUT ...
Page 14
AD5232 THEORY OF OPERATION The AD5232 digital potentiometer is designed to operate as a true variable resistor replacement device for analog signals that remain within the terminal voltage range of V The basic voltage range is limited ...
Page 15
SERIAL DATA INTERFACE The AD5232 contains a 4-wire SPI-compatible digital interface (SDI, SDO and CLK) and uses a 16-bit serial data-word that is loaded MSB first. The format of the SPI-compatible word is shown in Table 7. The ...
Page 16
AD5232 Command bits are identified as Cx, address bits are Ax, and data bits are Dx. The command instruction codes are defined in Table 8. The SDO output shifts out the last eight bits of data clocked into the serial ...
Page 17
ADVANCED CONTROL MODES The AD5232 digital potentiometer contains a set of user program- ming features to address the wide variety of applications avail- able to these universal adjustment devices. Key programming features include the following: • Independently programmable read and ...
Page 18
AD5232 USING ADDITIONAL INTERNAL, NONVOLATILE EEMEM The AD5232 contains additional internal user storage registers (EEMEM) for saving constants and other 8-bit data. Table 9 provides an address map of the internal nonvolatile storage registers, which are shown in the functional ...
Page 19
Table 11. Nominal Individual Segment Resistor Values (Ω) Segmented Resistor Size for R End-to-End Values AB Device 10 kΩ 50 kΩ Resolution Version Version 8-Bit 78.10 390.5 PROGRAMMING THE VARIABLE RESISTOR Rheostat Operation The nominal resistances of the RDACx between ...
Page 20
AD5232 PROGRAMMING THE POTENTIOMETER DIVIDER Voltage Output Operation The digital potentiometer easily generates an output voltage pro- portional to the input voltage applied to a given terminal. For example, connecting Terminal and Terminal B to GND ...
Page 21
... T JUNCTION TEMPERATURE (°C) J Figure 44. Flash/EE Memory Data Retention EVALUATION BOARD Analog Devices, Inc., offers a user-friendly EVAL-AD5232-10EBZ evaluation kit that can be controlled by a personal computer through a printer port. The driving program is self-contained; no programming languages or skills are needed. Rev Page AD5232 = 55°C. As ...
Page 22
... AD5232BRUZ100-REEL7 2 2 EVAL-AD5232-10EBZ 1 Line 1 contains the Analog Devices logo, followed by the date code: YYWW. Line 2 contains the model number, followed by the end-to-end resistance value. (Note that C = 100 kΩ). OR Line 1 contains the model number. Line 2 contains the Analog Devices logo, followed by the end-to-end resistance value. Line 3 contains the date code: YYWW. ...
Page 23
NOTES Rev Page AD5232 ...
Page 24
AD5232 NOTES ©2001–2009 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D02618-0-10/09(A) Rev Page ...