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TI-TPL0401B-10.pdf
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TI-TPL0401B-10.pdf
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PREVIEW
W
H
GND
VDD
1
2
3
6
SDA
SCL
4
5
TPL0401A/B
L
W
L
GND
VDD
1
2
3
6
SDA
SCL
4
5
TPL0401C
H
TPL0401A
TPL0401B
TPL0401C
www.ti.com.cn
ZHCS451A –SEPTEMBER 2011–REVISED MARCH 2012
具具有有 I
2
C 接接口口的的 128 抽抽头头单单通通道道数数字字电电位位器器
查查询询样样品品: TPL0401A, TPL0401B, TPL0401C
1
特特性性
说说明明
• 单单通通道道、、128 位位分分辨辨率率
TPL0401 是一款单通道线性锥形数字电位器,带有
• 10kΩ 端端到到端端电电阻阻选选项项
128 个抽头位置。 TPL0401A/B 有内部且被连接至
• 低低温温度度系系数数::35ppm/°C
GND 的低端子。 可使用 I
2
C 接口来调节抽头位置。
• I
2
C 串串行行接接口口
TPL0401 采用 6 引脚 SC-70 封装,具有 -40℃ 至
• 2.7V 至至 5.5V 单单电电源源运运行行
125℃ 额定温度范围。 该器件具有 10kΩ 端到端电阻
• ±20% 电电阻阻容容差差
并可在 2.7V 至 5.5V 的电源电压范围工作。 此类产品
• 'A' 和和 'B' 版版本本具具有有不不同同的的 I
2
C 地地址址
被广泛用于为低功率 DDR3 内存设置电压基准。
• 'A' 和和 'B' 版版本本的的 ‘L’ 端端子子是是内内部部的的且且被被连连接接至至接接地地
(GND)
TPL0401A/B 有内部并且被连接至 GND 的低端子。
• 'C' 版版本本的的 ‘H’ 端端子子是是内内部部的的且且悬悬空空
TPL0401C 有内部并且悬空的高端子。
• 运运行行温温度度为为 –40°C 至至 125°C
SC-70 DCK 封封装装
• 采采用用行行业业标标准准 SC70 封封装装
((顶顶视视图图))
• 根根据据 JESD 22 测测试试得得出出的的静静电电放放电电 (ESD) 性性能能
– 2000 V 人人体体模模式式
((A114B,,II 类类))
应应用用范范围围
• 低低功功率率 DDR3 电电压压基基准准
• 可可调调电电源源
• 可可调调增增益益放放大大器器和和偏偏移移修修剪剪
• 设设定定点点阀阀值值的的精精度度校校准准
• 传传感感器器微微调调和和校校准准
• 机机械械电电位位器器的的替替代代产产品品
订订购购信信息息
T
A
封封装装
(1)
可可订订购购部部件件号号 端端到到端端电电阻阻 I
2
C 地地址址 正正面面标标记记
TPL0401A-10DCKR 10kΩ 0101110 7TV
-40°C 至
SC70--DCK 卷带封装 TPL0401B-10DCKR 10kΩ 0111110 7UV
125°C
TPL0401C-50DCKR 50kΩ 0101110 待定 (TBD)
(1) 封装图示,标准包装数量,散热数据,符号以及 PCB 设计指南可从以下网址获得: www.ti.com/sc/package。
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Copyright © 2011–2012, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not English Data Sheet: SLIS144
necessarily include testing of all parameters.
WIPER
REGISTER
I C INTERFACE
2
SCL
SDA
VDD
GND
H
W
TPL0401A/B
WIPER
REGISTER
I C INTERFACE
2
SCL
SDA
VDD
GND
L
W
TPL0401C
H
TPL0401A
TPL0401B
TPL0401C
ZHCS451A –SEPTEMBER 2011–REVISED MARCH 2012
www.ti.com.cn
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
PIN FUNCTIONS
PIN NUMBER PIN NAME TYPE DESCRIPTION
1 VDD Power Positive Supply Voltage
2 GND Ground Ground
3 SCL Input I2C Clock
4 SDA I/O I2C Data
5 W I/O Wiper terminal
6 H I/O High terminal
– L I/O Low terminal
FUNCTIONAL BLOCK DIAGRAM
2 Copyright © 2011–2012, Texas Instruments Incorporated
H
L
W
R
HW
R
WL
R
TOT
H
L
W
R
TOT
R
WL
= R
TOT
x D/128
R
HW
= R
TOT
x (1 – (D/128))
VOLTAGE DIVIDER MODE
RHEOSTAT MODE A
RHEOSTAT MODE B
Where D = Decimal Value of Wiper Code
Where D = Decimal Value of Wiper Code
Where D = Decimal Value of Wiper Code
H (Floating)
L
W
R
WL
R
TOT
R
HW
H
L (Floating)
W
R
TOT
OR
OR
V
H
W
V
HW
V
WL
V
H
- V
L
V
L
V
WL
= (V
H
– V
L
) x D/128
V
HW
= (V
H
– V
L
) x (1 – (D/128))
TPL0401A
TPL0401B
TPL0401C
www.ti.com.cn
ZHCS451A –SEPTEMBER 2011–REVISED MARCH 2012
DIGITAL POTENTIOMETER CONFIGURATIONS
Figure 1. DPOT Configurations
Copyright © 2011–2012, Texas Instruments Incorporated 3
TPL0401A
TPL0401B
TPL0401C
ZHCS451A –SEPTEMBER 2011–REVISED MARCH 2012
www.ti.com.cn
ABSOLUTE MAXIMUM RATINGS
(1)(2)(3)
over operating free-air temperature range (unless otherwise noted)
MIN MAX UNIT
V
DD
to GND –0.3 7 V
Supply voltage range
All other pins to
–0.3 V
DD
+0.3 V
GND
Pulse current ±20 mA
I
H
I
L
TPL0401A/B-10 ±5 mA
Continuous current
I
W
TPL0401C-50 ±1.3 mA
V
I
Digital input voltage range –0.3 V
DD
+ 0.3 V
θ
JA
Package thermal impedance
(4)
DCK package 259 °C/W
T
stg
Storage temperature range –65 150 °C
(1) Stresses above these ratings may cause permanent damage. Exposure to absolute maximum conditions for extended periods may
degrade device reliability. These are stress ratings only, and functional operation of the device at these or any other conditions beyond
those specified is not implied.
(2) The algebraic convention, whereby the most negative value is a minimum and the most positive value is a maximum
(3) All voltages are with respect to ground, unless otherwise specified.
(4) The package thermal impedance is calculated in accordance with JESD 51-7.
RECOMMENDED OPERATING CONDITIONS
DESCRIPTION MIN MAX Unit
V
DD
Supply Voltage 2.7 5.5 V
V
W
,V
H
Terminal Voltage 0 V
DD
V
V
IH
Voltage Input High ( SCLK, SDA ) 0.7 V
DD
V
V
IL
Voltage Input Low ( SCLK, SDA) 0.3 V
DD
V
I
W
Wiper Current ±2 mA
T
A
Ambient Operating temperature -40 128 °C
4 Copyright © 2011–2012, Texas Instruments Incorporated
TPL0401A
TPL0401B
TPL0401C
www.ti.com.cn
ZHCS451A –SEPTEMBER 2011–REVISED MARCH 2012
ANALOG SPECIFICATIONS
Typical values are specified at 25
o
C and Vdd=3.3V
PARAMETER CONDITIONS MIN TYP MAX UNIT
TPL0401A/B-10 8 10 12 kΩ
End-to-end resistance (between H
R
TOTAL
and L terminals)
TPL0401C-50 40 50 60 kΩ
V
H
Terminal voltage range 0 VDD V
R
H
Terminal resistance 35 100 Ω
R
W
Wiper resistance 35 100 Ω
C
H
Terminal capacitance 10 pF
C
W
Wiper capacitance 11 pF
I
LKG
Terminal leakage current 0.1 1 µA
TPL0401A/B-10 22 ppm/°C
TC
R
Resistance temperature coefficient
TPL0401C-50 TBD ppm/°C
VOLTAGE DIVIDER MODE (TPL0401A, TPL0401B, V
H
= V
DD
, V
W
= Not Loaded)
INL Integral non-linearity –0.5 0.5 LSB
DNL Differential non-linearity –0.25 0.25 LSB
ZS
ERROR
Zero-scale error 0 0.75 1.5 LSB
FS
ERROR
Full-scale error –1.5 -0.75 0 LSB
Ratiometric temperature
T
CV
Wiper set at mid-scale 4 ppm/°C
coefficient
Wiper set at mid-scale,
BW Bandwidth 2862 kHz
, C
LOAD
= 10 pF
T
SW
Wiper settling time 0.152 µS
V
H
= 1 V
RMS
at 1 kHz,
THD Total harmonic distortion 0.03 %
V
L
= V
DD
/2, Measurement at W
RHEOSTAT MODE (TPL0401C)
RINL Integral non-linearity TBD LSB
RDNL Differential non-linearity TBD LSB
R
OFFSET
Offset TBD LSB
Code=0x00h, L Floating, Input applied to W, 10pF
RBW Bandwidth TBD kHz
on H
Copyright © 2011–2012, Texas Instruments Incorporated 5
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