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参数资料
| 型号： | ISL22346 |
| 厂商： | Intersil Corporation |
| 英文描述： | Low Noise, Low Power I2C Bus, 128 Taps(低噪声,低功率，I2C总线, 128抽头电位器) |
| 中文描述： | 低噪声，低功耗I2C总线，128丝锥（低噪声，低功率和I2C总线，128抽头电位器） |
| 文件页数： | 6/13页 |
| 文件大小： | 485K |
| 代理商： | ISL22346 |
6
FN6177.0
July 28, 2006
SDA vs SCL Timing
A0, A1, and A2 Pin Timing
t
HD:A
A2, A1 and A0 Hold Time
After STOP condition
600
ns
NOTES:
5. Typical values are for T
A
= +25°C and 3.3V supply voltage.
6. LSB: [V(R
W
)
127
– V(R
W
)
0
]/127. V(R
W
)
127
and V(R
W
)
0
are V(R
W
) 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.
7. ZS error = V(RW)
0
/LSB.
8. FS error = [V(RW)
127
– V
CC
]/LSB.
9. DNL = [V(RW)
i
– V(RW)
i-1
]/LSB-1, for i = 1 to 127. i is the DCP register setting.
10. INL = [V(RW)
i
– i LSB – V(RW)
0
]/LSB for i = 1 to 127.
11. V
MATCH
= [V(RWx)
i
– V(RWy)
i
]/LSB, for i = 1 to 127, x = 0 to 3 and y = 0 to 3.
Max V RW
)
Max V RW
)
i
12.
for i = 16 to 112 decimal, T = -40°C to +125°C. Max( ) is the maximum value of the wiper
voltage and Min ( ) is the minimum value of the wiper voltage over the temperature range.
13. MI =
|
RW
127
– RW
0
|
/127. RW
127
and RW
0
are the measured resistances for the DCP register set to 7F hex and 00 hex respectively.
14. Roffset = RW
0
/MI, when measuring between RW and RL.
Roffset = RW
127
/MI, when measuring between RW and RH.
15. RDNL = (RW
i
– RW
i-1
)/MI - 1, for i = 16 to 127.
16. RINL = [RW
i
– (MI i) – RW
0
]
/
MI, for i = 16 to 127.
17. R
MATCH
= (RW
i,x
– RW
i,y
)
/
MI, for i = 1 to 127, x = 0 to 3 and y = 0 to 3.
6
165°C
18.
for i = 16 to 112, T = -40°C to +125°C. Max( ) is the maximum value of the resistance and Min ( ) is
the minimum value of the resistance over the temperature range.
19. This parameter is not 100% tested.
20. t
WC
is the time from a valid STOP condition at the end of a Write sequence of I
2
C serial interface, to the end of the self-timed internal non-volatile
write cycle.
Operating Specifications
Over the recommended operating conditions unless otherwise specified.
(Continued)
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
TYP
(NOTE 5)
MAX
UNIT
TC
V
)
)
Min V RW
)
i
+
[
]
2
---------------------------------------------–
6
165°C
----------------
×
=
TC
R
Max Ri
(
+
Min Ri
(
(
]
2
]
(
)
)
[
------------------------------–
----------------
×
=
t
SU:STO
t
DH
t
HIGH
t
SU:STA
t
HD:STA
t
HD:DAT
t
SU:DAT
SCL
SDA
(INPUT TIMING)
SDA
(OUTPUT TIMING)
t
F
t
LOW
t
BUF
t
AA
t
R
t
sp
t
HD:A
SCL
SDA
A0, A1, OR A2
t
SU:A
CLK 1
START
STOP
ISL22346
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相关代理商/技术参数 |
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| ISL22346UFRT20Z | 功能描述:数字电位计 IC 128 TAP FL RNG IND QD DCP 20LD 4X4 TQFN RoHS:否 制造商:Maxim Integrated 电阻:200 Ohms 温度系数:35 PPM / C 容差:25 % POT 数量:Dual 每 POT 分接头:256 弧刷存储器:Volatile 缓冲刷: 数字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作电源电压:1.7 V to 5.5 V 电源电流:27 uA 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:TQFN-16 封装:Reel |
| ISL22346UFRT20Z-TK | 功能描述:数字电位计 IC 128 TAP FL RNG IND QD DCP 20LD 4X4 TQFN RoHS:否 制造商:Maxim Integrated 电阻:200 Ohms 温度系数:35 PPM / C 容差:25 % POT 数量:Dual 每 POT 分接头:256 弧刷存储器:Volatile 缓冲刷: 数字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作电源电压:1.7 V to 5.5 V 电源电流:27 uA 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:TQFN-16 封装:Reel |
| ISL22346UFV20Z | 功能描述:数字电位计 IC 128 TAP FL RNG IND QD DCP 20LD RoHS:否 制造商:Maxim Integrated 电阻:200 Ohms 温度系数:35 PPM / C 容差:25 % POT 数量:Dual 每 POT 分接头:256 弧刷存储器:Volatile 缓冲刷: 数字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作电源电压:1.7 V to 5.5 V 电源电流:27 uA 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:TQFN-16 封装:Reel |
| ISL22346UFV20Z-TK | 功能描述:数字电位计 IC 128 TAP FL RNG IND QD DCP 20LD RoHS:否 制造商:Maxim Integrated 电阻:200 Ohms 温度系数:35 PPM / C 容差:25 % POT 数量:Dual 每 POT 分接头:256 弧刷存储器:Volatile 缓冲刷: 数字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作电源电压:1.7 V to 5.5 V 电源电流:27 uA 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:TQFN-16 封装:Reel |
| ISL22346WFRT20Z | 功能描述:数字电位计 IC 128 TAP FL RNG IND QD DCP 20LD 4X4 TQFN RoHS:否 制造商:Maxim Integrated 电阻:200 Ohms 温度系数:35 PPM / C 容差:25 % POT 数量:Dual 每 POT 分接头:256 弧刷存储器:Volatile 缓冲刷: 数字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作电源电压:1.7 V to 5.5 V 电源电流:27 uA 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:TQFN-16 封装:Reel |
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