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X9460 Datasheet(PDF) 1 Page - Intersil Corporation |
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X9460 Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 16 page 1 ® FN8203.2 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 Americas Inc. Copyright Intersil Americas Inc. 2005. All Rights Reserved All other trademarks mentioned are the property of their respective owners. X9460 Low Noise, Low Cost, High End Features, Dual Audio Log Potentiometer Dual Audio Control Digitally Controlled Potentiometer (XDCP™) The X9460 integrates two digitally controlled potentiometer (XDCP) on a monolithic CMOS integrated circuit. The two XDCPs can be used as stereo gain controls in audio applications. Read/Write operations can directly access each channel independently or both channels simultaneously. Increment/Decrement can adjust each channel independently or both channels simultaneously. The X9460 contains a zero amplitude wiper switching circuit that delays wiper changes until the next zero crossing of the audio signal. The digitally controlled potentiometer is implemented using 31 polysilicon resistors in a log array. Between each of the resistors are tap points connected to the wiper terminal through switches. The XDCPs are designed to minimize wiper noise to avoid pops and clicks during audio volume transitions. The position of the wiper on the array is controlled by the user through the 2-wire serial bus interface. Power-up reset the wiper to the mute position. Pinout X9460 (14 LD TSSOP) TOP VIEW Features • Dual Audio Control – Two 32 Taps Log Pots • Zero Amplitude Wiper Switching • 2-Wire Serial Interface 4 Slave Byte Addresses for Writes[A1,A0] • Total Resistance: 33k Ω Each XDCP (Typical) • Dual Voltage Operation V+/V- = ±2.7 to ±5.5V • Temp Range = -40°C to +85°C • Package Options 14 L d TSSOP • Zero Amplitude Wiper Switching • Pb-Free Plus Anneal Available (RoHS Compliant) Audio Performance • 0 to - 62dB Volume Control • -92dB Mute - Power-Up to Mute Position • SNR -96dB • THD+N: -95dB @1kHz • Crosstalk Rejection: -102dB @ 1kHz • Channel-to-Channel Variation: ± 0.1dB • 3dB-Cutoff: 100kHz Applications • Set Top Boxes • Stereo Amplifiers • DVD Players • Portable Audio Products VCC RH-left SDA VSS 1 2 3 4 5 6 7 8 14 13 12 11 10 9 V+ A1 RH-right RL-right RW-right SCL A0 V- RL-left RW-left X9460 Ordering Information PART NUMBER PART MARKING VCC LIMITS (V) TEMP RANGE (°C) PACKAGE X9460KV14I* X9460KV I 5V ± 10% -40 to +85 14 Ld TSSOP X9460KV14IZ* (Note) X9460KV Z I -40 to +85 14 Ld TSSOP (Pb-free) X9460KV14I-2.7* X9460KV G 2.7 to 5.5 -40 to +85 14 Ld TSSOP X9460KV14IZ-2.7* (Note) X9460KV Z G -40 to +85 14 Ld TSSOP (Pb-free) *Add "T1" suffix for tape and reel. NOTE: 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. Data Sheet October 17, 2005 |
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