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參數(shù)資料
| 型號(hào)： | DS3902U-530+T&R |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 5/11頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DIGITAL RESISTER EEPROM 8USOP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 3,000 |
| 接片： | 256 |
| 電阻（歐姆）： | 30k，50k |
| 電路數(shù)： | 2 |
| 溫度系數(shù)： | 標(biāo)準(zhǔn)值 ±300 ppm/°C |
| 存儲(chǔ)器類型： | 非易失 |
| 接口： | I²C（設(shè)備位址） |
| 電源電壓： | 2.4 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 95°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-TSSOP，8-MSOP（0.118"，3.00mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-uMAX |
| 包裝： | 帶卷 (TR) |
| 其它名稱： | 90-3902T+530 |
DS3902
Dual, NV, Variable Resistors
with User EEPROM
_____________________________________________________________________
3
AC ELECTRICAL CHARACTERISTICS (Figure 1)
(VCC = +2.4V to +5.5V, TA = -40°C to +95°C, unless otherwise noted. Timing referenced to VIL(MAX) and VIH(MIN).)
Note 1: All voltages referenced to ground.
Note 2: ISTBY specified for the inactive state measured with SDA = SCL = VCC, ADD_SEL = GND, and with H0 and H1 floating.
Note 3: Absolute linearity is the difference of measured value from expected value at resistor position. Expected value is from the
measured minimum position to measured maximum position.
Note 4: Relative linearity is the deviation of an LSB resistor setting change vs. the expected LSB change. Expected LSB slope of the
straight line is the typical operating curves from the measured minimum position to measured maximum position.
Note 5: See the Typical Operating Characteristics section.
Note 6: Guaranteed by design.
Note 7: Timing shown is for fast-mode (400kHz) operation. This device is also backward-compatible with I2C standard mode.
Note 8: CB—total capacitance of one bus line in picofarads.
Note 9: EEPROM write begins after a STOP condition occurs.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SCL Clock Frequency
fSCL
(Note 7)
0
400
kHz
Bus Free Time Between STOP
and START Conditions
tBUF
1.3
s
Hold Time (Repeated)
START Condition
tHD:STA
0.6
s
Low Period of SCL
tLOW
1.3
s
High Period of SCL
tHIGH
0.6
s
Data Hold Time
tHD:DAT
0
0.9
s
Data Setup Time
tSU:DAT
100
ns
Start Setup Time
tSU:STA
0.6
s
SDA and SCL Rise Time
tR
(Note 8)
20 +
0.1 x CB
300
ns
SDA and SCL Fall Time
tF
(Note 8)
20 +
0.1 x CB
300
ns
Stop Setup Time
tSU:STO
0.6
s
SDA and SCL Capacitive Loading
CB
(Note 8)
400
pF
EEPROM Write Time
tWR
(Note 9)
10
ms
Input Capacitance
CI
5pF
Startup Time
tST
(Note 6)
2
ms
NONVOLATILE MEMORY CHARACTERISTICS
(VCC = +2.4V to +5.5V, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
EEPROM Writes
+70°C (Note 6)
50,000
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