X9440WP24 INTERSIL [Intersil Corporation], X9440WP24 Datasheet
X9440WP24
Related parts for X9440WP24
X9440WP24 Summary of contents
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Data Sheet Dual Digitally Controlled Potentiometer (XDCP™) & Voltage Comparator FEATURES • Two digitally controlled potentiometers and two voltage comparators in one package • SPI serial interface • Register oriented format —Direct read/write wiper position —Store as many as ...
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PIN DESCRIPTIONS Host Interface Pins Serial Output (SO push/pull serial data output pin. During a read cycle, data is shifted out on this pin. Data is clocked out by the falling edge of the serial clock. Serial ...
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PIN CONFIGURATION SOIC X9440 ...
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REGISTERS Both digitally-controlled potentiometers and voltage com- parators share the serial interface and share a common architecture. Each potentiometer and voltage comparator is associated with wiper counter and analog control reg- isters and eight data registers. A detailed discussion of ...
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REGISTER BIT DESCRIPTIONS Wiper Counter Register (WCR WP5 WP4 WP3 WP2 WP1 (volatile) WP0-WP5 identify wiper position. Analog Control Register (ACR) User- User- User bit5 bit4 bit3 Latch Enable (volatile) Shutdown “1” indicates power is connected ...
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Four of the ten instructions end with the transmission of the instruction byte. The basic sequence is illus- trated in Figure 4. These two-byte instructions exchange data between the wiper counter register or analog control register and one of the ...
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Figure 6. Three-Byte Command Sequence (Read) CS SCL Figure 7. Increment/Decrement Command Sequence CS SCK Increment/Decrement The final command is Increment/Decrement differ- ent from ...
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Figure 9. Memory Map WCRO WCR1 ACR0 Figure 10. Instruction Set Read Wiper Counter Register (WCR) or Analog Control Register (ACR) Read the contents of the Wiper Counter ...
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Transfer Data Register to Wiper Counter Register or Analog Control Register Transfer the contents of the Register pointed device type device CS identifier addresses Falling A A Edge Transfer ...
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ABSOLUTE MAXIMUM RATINGS Temperature under bias .................... -65°C to +135°C Storage temperature ......................... -65°C to +150°C Voltage on SCK, SCL or any address input with respect to V .................................. -1V to +7V SS Voltage on V+ (referenced ...
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COMPARATOR ELECTRICAL CHARACTERISTICS (Over the recommended operating conditions unless otherwise specified.) Symbol Parameter V Input offset voltage OS I Input current B V Input voltage range IR t Response time R I Output current O A Voltage gain V PSRR ...
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D.C. OPERATING CHARACTERISTICS (Over the recommended operating conditions unless otherwise specified.) Symbol Parameter I V supply current (active) CC1 supply current (nonvolatile CC2 CC write current (standby Input leakage current LI I ...
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AC TIMING Symbol f SSI/SPI clock frequency SCK t SSI/SPI clock cycle time CYC t SSI/SPI clock high time WH t SSI/SPI clock low time WL t Lead time LEAD t Lag time LAG t SI, SCK, HOLD and CS ...
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SYMBOL TABLE WAVEFORM INPUTS OUTPUTS Must be Will be steady steady May change Will change from Low to from Low to High High May change Will change from High to from High to Low Low Don’t Care: Changing: Changes State ...
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Hold Timing CS SCK HOLD XDCP Timing (for All Load Instructions) CS SCK MSB SI VWx High Impedance SO XDCP Timing (for Increment/Decrement Instruction) CS SCK VWx ADDR SI High Impedance SO Write Protect and Device ...
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BASIC APPLICATIONS Programmable Level Detector with Memory (typical bias conditions) SCL SDA Programmable Window Detector with Memory SCL SDA For the signal voltage ≤ V For the window X9440 V (+5V) REF1 + SCL H ...
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BASIC APPLICATION (continued) Programmable Oscillator with Memory SCL SDA Frequency ∝ Duty Cycle ∝ R Programmable Schmitt Trigger with Memory -------------------- - V – ------ - V min ...
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BASIC APPLICATION (continued) Programmable Level Detector (alternate technique < ------ - High for V – OUT > ------ - Low for V – ...
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PACKAGING INFORMATION 24-Lead Plastic Small Outline Gull Wing Package Type S Pin 1 Index Pin 1 (4X) 7° 0.050 (1.27) 0.010 (0.25) 0.020 (0.50) 0° - 8° 0.015 (0.40) 0.050 (1.27) NOTE: ALL DIMENSIONS IN INCHES (IN PARENTHESES IN MILLIMETERS) ...
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PACKAGING INFORMATION .026 (.65) BSC .303 (7.70) .311 (7.90) .0075 (.19) .0118 (.30) 0° - 8° .020 (.50) .030 (.75) Detail A (20X) See Detail “A” NOTE: ALL DIMENSIONS IN INCHES (IN PARENTHESES IN MILLIMETERS) 20 X9440 24-Lead Plastic, TSSOP ...
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Ordering Information X9440 Device All Intersil U.S. products are manufactured, assembled and tested utilizing ISO9000 quality systems. Intersil Corporation’s quality certifications can be viewed at www.intersil.com/design/quality Intersil products are sold by description only. Intersil Corporation reserves the right to make ...