参数资料
型号: DS3905U-020
厂商: Maxim Integrated Products
文件页数: 5/11页
文件大小: 0K
描述: IC POT NV TRIPLE 128POS 10-USOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 50
接片: 128
电阻(欧姆): 20k
电路数: 3
温度系数: 标准值 123 ppm/°C
存储器类型: 非易失
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: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)
供应商设备封装: 10-µMAX
包装: 管件
DS3904/DS3905
Triple 128-Position Nonvolatile Digital
Variable Resistor/Switch
_____________________________________________________________________
3
AC ELECTRICAL CHARACTERISTICS
(VCC = +2.7V to +5.5V, TA = -40°C to +85°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Fast mode
0
400
SCL Clock Frequency
(Note 7)
fSCL
Standard mode
0
100
kHz
Fast mode
1.3
Bus Free Time between STOP
and START Conditions (Note 7)
tBUF
Standard mode
4.7
s
Fast mode
0.6
Hold Time (Repeated) START
Condition (Notes 7, 8)
tHD:STA
Standard mode
4.0
s
Fast mode
1.3
Low Period of SCL Clock
(Note 7)
tLOW
Standard mode
4.7
s
Fast mode
0.6
High Period of SCL Clock
(Note 7)
tHIGH
Standard mode
4.0
s
Fast mode
0
0.9
Data Hold Time
(Notes 7, 9)
tHD:DAT
Standard mode
0
0.9
s
Fast mode
100
Data Setup Time
(Note 7)
tSU:DAT
Standard mode
250
ns
Fast mode
0.6
Start Setup Time
tSU:STA
Standard mode
4.7
s
Fast mode
20 + 0.1CB
300
Rise Time of Both SDA and SCL
Signals (Note 10)
tR
Standard mode
20 + 0.1CB
1000
ns
Fast mode
20 + 0.1CB
300
Fall Time of Both SDA and SCL
Signals (Note 10)
tF
Standard mode
20 + 0.1CB
300
ns
Fast mode
0.6
Setup Time for STOP Condition
tSU:STO
Standard mode
4.0
s
Capacitive Load for Each Bus
Line
CB
(Note 10)
400
pF
EEPROM Write Time
tW
(Note 11)
10
20
ms
Startup Time
tST
2ms
ANALOG RESISTOR CHARACTERISTICS (continued)
(VCC = +2.7V to +5.5V, TA = -40°C to +85°C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
TA = +25°C (20k
resistor)
14.5
20
25.5
Position 7Fh Resistance
RMAX
TA = +25°C (10k
resistor)
8
10
12
k
Position 00h Resistance
RMIN
TA = +25°C
200
500
High Impedance
RHIZ
5.5
M
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