參數(shù)資料
型號(hào)： AN10145
廠商： NXP Semiconductors N.V.
英文描述： Bi-directional low voltage translators
中文描述： 雙向低電壓轉(zhuǎn)換器
文件頁(yè)數(shù)： 7/24頁(yè)
文件大?。?/td> 325K
代理商： AN10145
7
All the devices operate exactly the same and vary only on the number of I/O available. Any matched set of Sn and Dn
pins can be used as SREF and DREF (e.g., pin 12 and 13 on the GTL2010 can be used for SREF and DREF instead of
pins 2 and 23 which revert to S10 and D10).
Ordering Information
Table 2. GTL20xx Ordering Information
Data Sheets and IBIS Models
Data sheets and IBIS models can be downloaded from
www.philipslogic.com
TECHNICAL INFORMATION
Block Diagram
GTL-TVC voltage-limiting application
In voltage-limiting applications, the common GREF input must be connected to one side (Sn or Dn) of any of the
transistors (see Figure 6). This connection determines the DREF input of the reference transistor. The DREF and GREF
inputs are connected together through a pull up resistor (typically 200 k
) to the V
DD
supply. A filter capacitor (typically
0.1
μ
F) on DREF is recommended. Associated with the 200 k
resistor, the RC time constant is equal to 20 ms. The
larger the capacitor, the less the gate node will move, the slower it will rise on power up.
The opposite side of the reference transistor is used as the reference voltage SREF connection. The SREF input should
be less than V
DD
– 1.5 V to insure that the reference transistor is properly biased into conduction. If the SREF is set to
less than 1.5 V below Vdd, the maximum pass voltage may be less than the SREF voltage because the threshold voltage
(the minimum gate to source voltage necessary for conduction) may be limiting the pass voltage rather than the SREF
voltage. The gate to source threshold voltage will vary from part to part but will not vary within a package. The reference
transistor regulates the gate voltage (GREF
)
of all the pass transistors in the package when properly biased, as described
above.
Package
Container
Tube
T & R
Tube
T & R
Tube
T & R
T & R
T & R
GTL2000
GTL2002
GTL2002D
GTL2002D-T
GTL2010
-
-
-
-
GTL2010PW
GTL2010PW-T
GTL2000DL
GTL2000DL-T
GTL2000DGG
GTL2000DGG-T
-
-
-
GTL2002DP-T
GTL2002DC-T
VSSOP
HVQFN
-
-
-
GTL2010BS-T
TSSOP
SSOP
SO
GND
SREF
GREF
DREF
S1
S2
D2
D1
GTL2002
Device
CPU
1.8 V
1.5 V
1.2 V
1.0 V
V
CORE
V
DD
5 V
200 k
0.1
μ
F
相關(guān)PDF資料
PDF描述
AN101 Circular Connector; No. of Contacts:3; Series:MS27508; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:8; Circular Contact Gender:Pin; Circular Shell Style:Box Mount Receptacle; Insert Arrangement:8-98 RoHS Compliant: No
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