参数资料
| 型号： | X9460KV14IZT1 |
| 厂商： | Intersil |
| 文件页数： | 1/16页 |
| 文件大小： | 0K |
| 描述： | IC XDCP DUAL AUD 32T 33K 14TSSOP |
| 标准包装： | 2,500 |
| 系列： | XDCP™ |
| 接片： | 32 |
| 电阻（欧姆）： | 32k |
| 电路数： | 2 |
| 温度系数： | 标准值 -300 ppm/°C |
| 存储器类型： | 易失 |
| 接口： | I²C（设备位址） |
| 电源电压： | 2.7 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 14-TSSOP |
| 包装： | 带卷 (TR) |
1
FN8203.2
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Copyright Intersil Americas LLC 2005, 2013. All Rights Reserved
Intersil (and design) and XDCP are trademarks owned by Intersil Corporation or one of its subsidiaries.
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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