ISL22426UFV14Z Intersil, ISL22426UFV14Z Datasheet
ISL22426UFV14Z
Specifications of ISL22426UFV14Z
Available stocks
Related parts for ISL22426UFV14Z
ISL22426UFV14Z Summary of contents
Page 1
... NC 7 SCK Ordering Information PART NUMBER PART (Note) MARKING ISL22426UFV14Z* 22426 UFVZ ISL22426UFR16Z* 224 26UFZ ISL22426WFV14Z* 22426 WFVZ ISL22426WFR16Z* 224 26WFZ *Add “-TK” suffix for tape and reel. Please refer to TB347 for details on reel specifications. NOTE: These Intersil Pb-free plastic packaged products employ special Pb-free material sets, molding compounds/die attach materials, and 100% matte tin plate plus anneal (e3 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations) ...
Page 2
... EPAD* *NOTE: PCB thermal land for QFN EPAD should be connected to GND plane or left floating. For more information refer to http://www.intersil.com/data/tb/TB389.pdf 2 ISL22426 V CC POWER-UP SPI INTERFACE, CONTROL AND STATUS LOGIC NON- VOLATILE REGISTERS GND SYMBOL V Power supply pin CC SHDN Shutdown active low input RH0 “ ...
Page 3
... Thermal Resistance (Typical) 14 Lead TSSOP (Note 0 Lead QFN (Notes Maximum Junction Temperature (Plastic Package +150°C Pb-free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . .see link below CC http://www.intersil.com/pbfree/Pb-FreeReflow.asp Recommended Operating Conditions Temperature Range (Extended Industrial .-40°C to +125° 2.7V to 5.5V CC Power Rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15mW Wiper Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±3.0mA ...
Page 4
Analog Specifications Over recommended operating conditions, unless otherwise stated. (Continued) SYMBOL PARAMETER V DCP to DCP Matching MATCH (Note 11) TC Ratiometric Temperature Coefficient V (Note 12) RESISTOR MODE (Measurements between R RINL Integral Non-linearity (Note 16) RDNL Differential Non-linearity ...
Page 5
Operating Specifications Over the recommended operating conditions, unless otherwise specified. (Continued) SYMBOL PARAMETER t DCP Recall Time From Shutdown ShdnRec (Note 21) Mode Vpor Power-on Recall Voltage VccRamp V Ramp Rate CC t Power-up Delay D EEPROM SPECIFICATION EEPROM Endurance ...
Page 6
Operating Specifications Over the recommended operating conditions, unless otherwise specified. (Continued) SYMBOL PARAMETER t SDO Output Fall Time Deselect Time CS NOTES: 5. Typical values are for T = +25°C and 3.3V supply voltage LSB: ...
Page 7
Timing Diagrams Input Timing CS t LEAD SCK MSB SDI HIGH IMPEDANCE SDO Output Timing CS SCK t V MSB SDO ADDR SDI XDCP Timing (for All Load Instructions) CS SCK MSB SDI V W HIGH ...
Page 8
Typical Performance Curves 100 V = 3.3V +125° 3.3V +20° TAP POSITION (DECIMAL) FIGURE 1. WIPER RESISTANCE vs ...
Page 9
Typical Performance Curves 0 5.5V CC 0.2 0 -0.2 -0 2. TAP POSITION (DECIMAL) FIGURE 7. DNL vs TAP POSITION IN RHEOSTAT MODE FOR 10kΩ (W) 1.0 0 ...
Page 10
Typical Performance Curves SIGNAL AT WIPER (WIPER UNLOADED) WIPER MID POINT MOVEMENT FROM 3Fh TO 40h FIGURE 13. MIDSCALE GLITCH, CODE 3Fh TO 40h Pin Description Potentiometer Pins RHI AND RLI ( The high (RHi) and low ...
Page 11
The electronic switches on the device operate in a “make before break” mode when the wiper changes tap positions. When the device is powered down, the last value stored in IVRi will be maintained in the non-volatile memory. When power ...
Page 12
The ISL22426 operates only as a slave device. All communication over the SPI interface is conducted by sending the MSB of each byte of data first. Protocol Conventions The first byte sent to the ...
Page 13
Applications Information Communicating with ISL22426 Communication with ISL22426 proceeds using SPI interface through the ACR (address 1000b), IVRi (addresses 0000b, 0001b) and WRi (addresses 0000b, 0001b) registers. The wiper of the potentiometer is controlled by the WRi register. Writes and ...
Page 14
... Dimensions D2 and E2 are for the exposed pads which provide improved electrical and thermal performance. 8. Nominal dimensions are provided to assist with PCB Land Pattern Design efforts, see Intersil Technical Brief TB389. 9. Features and dimensions A2, A3, D1, E1, P & θ are present when Anvil singulation method is used and not present for saw singulation ...
Page 15
... Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use ...