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參數資料
| 型號： | L9705 |
| 廠商： | 意法半導體 |
| 英文描述： | DOUBLE QUAD CONTACT INTERFACE CIRCUIT |
| 中文描述： | 雙四接觸界面電路 |
| 文件頁數： | 1/8頁 |
| 文件大小： | 1861K |
| 代理商： | L9705 |
L9705
DOUBLE QUAD CONTACT INTERFACE CIRCUIT
ADVANCE DATA
OPERATING DC SUPPLY VOLTAGE RANGE
5V TO 25V
SUPPLY OVERVOLTAGE PULSE UP TO 40V
VERY LOW STAND-BY QUIESCENT CUR-
RENT, MAX 50
μ
A
INTERNAL CLAMPING DIODES AT CONTACT
INPUTS TO Vs AND gnd WITH PULSE CUR-
RENT CAPABILITY UP TO +50mA, -75mA
CHIP ENABLE FUNCTION AND TRISTATE
OUTPUTS FOR PARALLEL BUS CONNECTION
NOMINAL CONTACT CURRENTS OF 10mA
DEFINED WITH EXTERNAL CONTACT SE-
RIES RESISTORS R
IN1-8
CONTACT
STATUS
MEANS OF COMPARING THE RESISTANCE
AT CONTACT SENSE INPUTS WITH THE IN-
TERNAL REFERENCE RESISTOR VALUE
RESISTANCE COMPARING WITH HYSTER-
ESIS FOR HIGH NOISE IMMUNITY AND IM-
MUNITY TO GROUND AND BATTERY PO-
TENTIAL DIFFERENCES
MONITORING
BY
DESCRIPTION
The L9705 is a bipolar monolithic integrated cir-
cuit for monitoring the status of up to four con-
tacts connected to GND and up to four contacts
connected to the battery. The contact sense input
supply the contact current and perform the con-
tact resistance comparison function.
At the output the contact status is translated into
a logical LOW level (contact closed) or logical
HIGh level (contact open).
This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
January 1992
BLOCK DIAGRAM
ORDERING NUMBERS :
L9705
DIP 20
SO20L
1/8
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| L9705D | 功能描述:開關變換器、穩壓器與控制器 Double Quad Interfac RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| L9708 | 功能描述:低壓差穩壓器 - LDO Quad Squib Driver PTS SmartPower RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| L970813TR | 功能描述:低壓差穩壓器 - LDO Quad Squib Driver PTS SmartPower RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| L9709 | 功能描述:低壓差穩壓器 - LDO Quad Squib Driver PTS SmartPower RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| L9709TR | 功能描述:低壓差穩壓器 - LDO Quad Squib Driver PTS SmartPower RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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