參數資料
型號: L9700
廠商: 意法半導體
英文描述: HEX PRECISION LIMITER
中文描述: 六角精密限制器
文件頁數: 5/8頁
文件大?。?/td> 61K
代理商: L9700
Figure3 :
Typical Application.
TheminimumvalueforC
IN
is determinedby theac-
curacyrequired,the time takento sampletheinput
and theinputimpedanceduringthattime,whilethe
maximum value is determined by the required fre-
quencyresponseand the value of R
.
Thus fora resistiveinputA/D connectorwhere :
T
S
=
Sampletime (Seconds)
R
D
=
Deviceinput resistance(Ohms)
V
IN
=
Inputvoltage(Volts)
k
=
Requiredaccuracy (%)
Q
1
=
Chargeon capacitorbeforesampling
Q
2
=
Chargeon capacitoraftersampling
I
D
=
Deviceinput current(Amps)
Thus :
k
Q
1
Q
1
– Q
2
=100
but
Q
1
=C
IN
V
IN
and
Q
1
– Q
2
= I
D
– T
S
k
C
IN
– V
IN
100
I
D
T
S
V
IN
k
100
T
S
k
R
D
so that
I
D
T
S
=
and
C
IN
(min)=
Farad
so
C
IN
(min)=
Farad
Thecalculationforasampleandholdtypeconvertor
is evensimpler :
k
=
Requiredaccuracy(%)
C
H
=
Holdcapacitor(Farad)
100
C
H
k
C
IN
(min)=
Farad
L9700
5/8
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相關代理商/技術參數
參數描述
L9700D 功能描述:TVS二極管陣列 Hex Precision Limit RoHS:否 制造商:Littelfuse 極性: 通道:4 Channels 擊穿電壓: 鉗位電壓:11.5 V 工作電壓:2.5 V 峰值浪涌電流:20 A 安裝風格:SMD/SMT 端接類型:SMD/SMT 系列: 最小工作溫度:- 40 C 最大工作溫度:+ 85 C
L9700D013TR 功能描述:TVS二極管陣列 Hex Precision Limit RoHS:否 制造商:Littelfuse 極性: 通道:4 Channels 擊穿電壓: 鉗位電壓:11.5 V 工作電壓:2.5 V 峰值浪涌電流:20 A 安裝風格:SMD/SMT 端接類型:SMD/SMT 系列: 最小工作溫度:- 40 C 最大工作溫度:+ 85 C
L9700D-E 功能描述:低壓差穩(wěn)壓器 - LDO AED Smartpower SO 08 .15 JEDEC 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(jié):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
L9700DTR-E 功能描述:低壓差穩(wěn)壓器 - LDO AED Smartpower SO 08 .15 JEDEC 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(jié):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
L9703 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:OCTAL GROUND CONTACT MONITORING CIRCUIT