参数资料
型号: TLE7719-T
厂商: INFINEON TECHNOLOGIES AG
元件分类: 模拟信号调理
英文描述: SPECIALTY ANALOG CIRCUIT, PDSO28
封装: PLASTIC, TSSOP-28
文件页数: 13/75页
文件大小: 1485K
代理商: TLE7719-T
TLE7719-T
Functional Block Description
Data Sheet
20
V1.1, 2004-09-13
3
Functional Block Description
3.1
Supply and Biasing
To supply TLE7719-T following pins are used:
[VCC5] - Digital logic supply voltage
[BOOST12] - Main chip supply, Common satellite line supply (Lines #1 and #2) for
High Voltage and SYNC Mode;
[BOOST34] - Common satellite line supply (Lines #3 and #4) for High Voltage and
SYNC Mode;
[SLINE12], [SLINE34] - Common satellite line supply for two sensor lines in Receive
Mode (#1 and #2, #3 and #4).
3.1.1
Supply Currents
Pos. Parameter
Symbol
Limit Values
Unit Test
Conditions
min. typ.
max.
3.1.1 Supply current at
BOOST12
I
BOOST12_q
1
3.5
4
mA Satellites
disabled,
V(BOOST12) >
12V
3.1.2 Supply current at
BOOST12
IBOOST12_en
4
5.5
7
mA All Satellites
enabled to
Receive Mode
3.1.3 Supply current at
BOOST34
I
BOOST34
-30
0
30
uA
Satellites #3,#4
disabled or
enabled to
Receive Mode
3.1.4 Supply current at
BOOST12
I
BOOST12_HV
1.05*
(ΣILinex)+8
mA High Voltage or
Sync Mode;
ΣILinex = I(LINE1)
+ I(LINE2)
Test Cond.:
ΣILinex = 20mA
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