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參數資料
| 型號： | ISL22346 |
| 廠商： | Intersil Corporation |
| 英文描述： | Low Noise, Low Power I2C Bus, 128 Taps(低噪聲,低功率，I2C總線, 128抽頭電位器) |
| 中文描述： | 低噪聲，低功耗I2C總線，128絲錐（低噪聲，低功率和I2C總線，128抽頭電位器） |
| 文件頁數： | 5/13頁 |
| 文件大?。?/td> | 485K |
| 代理商： | ISL22346 |
5
FN6177.0
July 28, 2006
t
WC
(Note 20)
Non-volatile Write Cycle Time
12
20
ms
SERIAL INTERFACE SPECS
V
IL
A2, A1, A0, SHDN, SDA, and SCL
Input Buffer LOW Voltage
-0.3
0.3*V
CC
V
V
IH
A2, A1, A0, SHDN, SDA, and SCL
Input Buffer HIGH Voltage
0.7*V
CC
V
CC
+0.3
V
Hysteresis
SDA and SCL Input Buffer Hysteresis
0.05*
V
CC
V
V
OL
SDA Output Buffer LOW Voltage,
Sinking 4mA
0
0.4
V
Cpin
(Note 19)
A2, A1, A0, SHDN, SDA, and SCL Pin
Capacitance
10
pF
f
SCL
t
sp
SCL Frequency
400
kHz
(Note 19)
t
AA
Pulse Width Suppression Time at SDA
and SCL Inputs
Any pulse narrower than the max spec is
suppressed
50
ns
SCL Falling Edge to SDA Output Data
Valid
SCL falling edge crossing 30% of V
CC
, until
SDA exits the 30% to 70% of V
CC
window
900
ns
t
BUF
Time the Bus Must be Free Before the
Start of a New Transmission
SDA crossing 70% of V
CC
during a STOP
condition, to SDA crossing 70% of V
CC
during the following START condition
1300
ns
t
LOW
Clock LOW Time
Measured at the 30% of V
CC
crossing
1300
ns
t
HIGH
Clock HIGH Time
Measured at the 70% of V
CC
crossing
600
ns
t
SU:STA
START Condition Setup Time
SCL rising edge to SDA falling edge; both
crossing 70% of V
CC
600
ns
t
HD:STA
START Condition Hold Time
From SDA falling edge crossing 30% of V
CC
to SCL falling edge crossing 70% of V
CC
600
ns
t
SU:DAT
Input Data Setup Time
From SDA exiting the 30% to 70% of V
CC
window, to SCL rising edge crossing 30% of
V
CC
100
ns
t
HD:DAT
Input Data Hold Time
From SCL rising edge crossing 70% of V
CC
to SDA entering the 30% to 70% of V
CC
window
0
ns
t
SU:STO
STOP Condition Setup Time
From SCL rising edge crossing 70% of V
CC
,
to SDA rising edge crossing 30% of V
CC
600
ns
t
HD:STO
STOP Condition Hold Time for Read,
or Volatile Only Write
From SDA rising edge to SCL falling edge;
both crossing 70% of V
CC
1300
ns
t
DH
Output Data Hold Time
From SCL falling edge crossing 30% of V
CC
,
until SDA enters the 30% to 70% of V
CC
window
0
ns
t
R
SDA and SCL Rise Time
From 30% to 70% of V
CC
20 +
0.1 * Cb
250
ns
t
F
SDA and SCL Fall Time
From 70% to 30% of V
CC
20 +
0.1 * Cb
250
ns
Cb
Rpu
Capacitive Loading of SDA or SCL
Total on-chip and off-chip
10
400
pF
SDA and SCL Bus Pull-up Resistor
Off-chip
Maximum is determined by t
R
and t
F
For Cb = 400pF, max is about 2~2.5k
For Cb = 40pF, max is about 15~20k
1
k
t
SU:A
A2, A1 and A0 Setup Time
Before START condition
600
ns
Operating Specifications
Over the recommended operating conditions unless otherwise specified.
(Continued)
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
TYP
(NOTE 5)
MAX
UNIT
ISL22346
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ISL22346UFRT20Z | 功能描述:數字電位計 IC 128 TAP FL RNG IND QD DCP 20LD 4X4 TQFN RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數:35 PPM / C 容差:25 % POT 數量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| ISL22346UFRT20Z-TK | 功能描述:數字電位計 IC 128 TAP FL RNG IND QD DCP 20LD 4X4 TQFN RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數:35 PPM / C 容差:25 % POT 數量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| ISL22346UFV20Z | 功能描述:數字電位計 IC 128 TAP FL RNG IND QD DCP 20LD RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數:35 PPM / C 容差:25 % POT 數量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| ISL22346UFV20Z-TK | 功能描述:數字電位計 IC 128 TAP FL RNG IND QD DCP 20LD RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數:35 PPM / C 容差:25 % POT 數量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| ISL22346WFRT20Z | 功能描述:數字電位計 IC 128 TAP FL RNG IND QD DCP 20LD 4X4 TQFN RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數:35 PPM / C 容差:25 % POT 數量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
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