PDF ISL95710 Data sheet ( Hoja de datos )

Número de pieza	ISL95710
Descripción	128 Taps Up/Down Interface
Fabricantes	Intersil Corporation
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No Preview Available ! ® Data Sheet ISL95710 Digitally Controlled Potentiometer (XDCP™) August 17, 2005 FN8240.2 Terminal Voltage ±3V or ±5V, 128 Taps Up/Down Interface The Intersil ISL95710 is a digitally controlled potentiometer (XDCP). The device consists of a resistor array, wiper switches, a control section, and nonvolatile memory. The wiper position is controlled by a Up/Down interface. The potentiometer is implemented by a resistor array composed of 127 resistive elements and a wiper switching network. Between each element and at either end are tap points accessible to the wiper terminal. The position of the wiper element is controlled by the CS, U/D, and INC inputs. The position of the wiper can be stored in nonvolatile memory and then be recalled upon a subsequent power-up operation. The device can be used as a three-terminal potentiometer or as a two-terminal variable resistor in a wide variety of applications including: • Industrial and automotive control • Parameter and bias adjustments • Amplifier bias and control Orderingwww.DataSheet4U.com Information PART NUMBER (BRAND) RES OPTION (Ω) TEMP RANGE (°C) PACKAGE PKG. (Pb-Free) DWG. # ISL95710WIU10Z 10K -40 to +85 10 Ld M10.118 (AKR) (Notes 1, 2) MSOP ISL95710UIU10Z 50K -40 to +85 10 Ld M10.118 (AKP) (Notes 1, 2) MSOP NOTES: 1. Add “-T” suffix for tape and reel. 2. Intersil Pb-free plus anneal products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate termination finish, which are RoHS compliant and compatible with both SnPb and Pb-free soldering operations. Intersil Pb-free products are MSL classified at Pb- free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020. Features • Non-Volatile Solid-State Potentiometer • Up/Down Interface with Chip Select Enable • DCP Terminal Voltage, ±3V or ±5V • 128 Wiper Tap Points - Wiper position stored in nonvolatile memory and recalled on power-up • 127 Resistive Elements - Typical RTOTAL tempco = ±50ppm/°C - End to end resistance range ±20% • Low Power CMOS - Standby current, 1µA - Active current, 3mA max - VCC = 3V to 5.5V - V- = -3V to -5.5V • High Reliability - Endurance, 200,000 data changes per bit - Register data retention, 50 years • RTOTAL Values = 10kΩ, 50kΩ • Package - 10 Ld MSOP - Pb-free plus anneal available (RoHS compliant) Pinout ISL95710 (10 LD MSOP) TOP VIEW U/D V- GND CS NC 1 2 3 4 5 10 INC 9 VCC 8 RL 7 RW 6 RH 1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 \| Intersil (and design) is a registered trademark of Intersil Americas Inc. XDCP is a trademark of Intersil, Inc. Copyright Intersil Americas Inc. 2005. All Rights Reserved All other trademarks mentioned are the property of their respective owners. 1 page ISL95710 AC Electrical Specifications SYMBOL VCC = 5V ±10%, TA = Full Operating Temperature Range unless otherwise stated (Continued) PARAMETER MIN TYP (Note 1) MAX UNIT tIW INC to RW change 100 500 µs tCYC INC cycle time 2 µs tR, tF INC input rise and fall time 500 µs NOTES: 1. Typical values are for TA = 25°C and 3.3V supply voltage. 2. LSB: [V(RW)127 – V(RW)0]/127. V(RW)127 and V(RW)0 are V(RW) for the DCP register set to 7F hex and 00 hex respectively. LSB is the incremental voltage when changing from one tap to an adjacent tap. 3. ZS error = (V(RW)0– V-)/LSB. 4. FS error = [V(RW)127 – V+]/LSB. 5. DNL = [V(RW)i – V(RW)i-1]/LSB-1, for i = 1 to 127. i is the DCP register setting. 6. INL = V(RW)i – (i • LSB – V(RW)0) for i = 1 to 127. 7. TCV = -[--M----M-a----xa----(x--V--(--V-(--R--(--R-W----W--)--i--))--i-+-)---–-M----M--i--n-i--n(---V-(--V-(---R-(--R-W----W---)--i-)-)-i-]-)---⁄--2-- x ----1---0----6----- 125 °C for i = 16 to 120 decimal. Max ( ) is the maximum value of the wiper voltage and Min ( ) is the minimum value of the wiper voltage over the temperature range. 8. MI = \|R127 – R0\| /127. R127 and R0 are the measured resistances for the DCP register set to 7F hex and 00 hex respectively. 9. Roffset = R0/MI, when measuring between RW and RL. Roffset = R127/MI, when measuring between RW and RH. 10. RDNL = (Ri – Ri-1)/MI, for i = 16 to 127. 11. RINL = [Ri – (MI • i) – R0]/MI, for i = 16 to 127. 12. TCR = [---M-[---M-a----xa----(x--R--(--R-i--)--i-+-)---–-M----M--i-n--i--n(---R-(--R-i--)--i-]-)--]⁄---2- × ----1---0----6----- 125 °C for i = 16 to 127, T = -40°C to 85°C. Max ( ) is the maximum value of the resistance and Min ( ) is the minimum value of the resistance over the temperature range. 13. This parameter is not 100% tested. 14. tCPHS is the minimum cycle time to be allowed for any non-volatile Write by the user. It is the time from a valid STORE condition to the end of the self-timed internal non-volatile write cycle. No CS or INC changes should be allowed. Symbol Table WAVEFORM INPUTS Must be steady OUTPUTS Will be steady May change from Low to High May change from High to Low Will change from Low to High Will change from High to Low Don’t Care: Changes Allowed N/A Changing: State Not Known Center Line is High Impedance 5 FN8240.2 August 17, 2005 5 Page

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