参数资料
型号: X9251TS24IZ-2.7T1
厂商: Intersil
文件页数: 14/20页
文件大小: 0K
描述: IC XDCP QUAD 256TAP 100K 24-SOIC
产品培训模块: Solutions for Industrial Control Applications
标准包装: 1,000
系列: XDCP™
接片: 256
电阻(欧姆): 100k
电路数: 4
温度系数: 标准值 ±300 ppm/°C
存储器类型: 非易失
接口: 6 线 SPI(芯片选择,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: 24-SOIC(0.295",7.50mm 宽)
供应商设备封装: 24-SOIC
包装: 带卷 (TR)
3
FN8166.5
April 13, 2007
Circuit Level Applications
Vary the gain of a voltage amplifier
Provide programmable dc reference voltages for
comparators and detectors
Control the volume in audio circuits
Trim out the offset voltage error in a voltage amplifier
circuit
Set the output voltage of a voltage regulator
Trim the resistance in Wheatstone bridge circuits
Control the gain, characteristic frequency and
Q-factor in filter circuits
Set the scale factor and zero point in sensor signal
conditioning circuits
Vary the frequency and duty cycle of timer ICs
Vary the dc biasing of a pin diode attenuator in RF circuits
Provide a control variable (I, V, or R) in feedback
circuits
System Level Applications
Adjust the contrast in LCD displays
Control the power level of LED transmitters in
communication systems
Set and regulate the DC biasing point in an RF power
amplifier in wireless systems
Control the gain in audio and home entertainment systems
Provide the variable DC bias for tuners in RF wireless
systems
Set the operating points in temperature control
systems
Control the operating point for sensors in industrial
systems
Trim offset and gain errors in artificial intelligent
systems
Pinout
X9251
(24 LD SOIC/TSSOP)
TOP VIEW
Pin Assignments
PIN
(SOIC)
SYMBOL
FUNCTION
1
SO
Serial Data Output for SPI bus
2
A0
Device Address for SPI bus. (See Note 1)
3RW3
Wiper Terminal of DCP3
4RH3
High Terminal of DCP3
5RL3
Low Terminal of DCP3
7VCC
System Supply Voltage
8RL0
Low Terminal of DCP0
9RH0
High Terminal of DCP0
10
RW0
Wiper Terminal of DCP0
11
CS
SPI bus. Chip Select active low input
12
WP
Hardware Write Protect - active low
13
SI
Serial Data Input for SPI bus
14
A1
Device Address for SPI bus. (See Note 1)
15
RL1
Low Terminal of DCP1
16
RH1
High Terminal of DCP1
17
RW1
Wiper Terminal of DCP1
18
VSS
System Ground
20
RW2
Wiper Terminal of DCP2
21
RH2
High Terminal of DCP2
22
RL2
Low Terminal of DCP2
23
SCK
Serial Clock for SPI bus
24
HOLD
Device select. Pauses the SPI serial bus.
6, 19
NC
No Connect
NOTE:
1. A0 and A1 device address pins must be tied to a logic level.
SO
A0
RW3
NC
VCC
RL0
1
2
3
4
5
6
7
8
9
10
24
23
22
21
20
19
18
17
16
15
HOLD
SCK
RL2
RH2
RW2
NC
VSS
RW1
RH1
RL1
X9251
RH3
14
13
11
12
RL3
RH0
RW0
CS
A1
SI
WP
X9251
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