參數(shù)資料
型號: NVT2008BQ
廠商: NXP SEMICONDUCTORS
元件分類: 通用總線功能
英文描述: Bidirectional voltage-level translator for open-drain and push-pull applications
中文描述: GTL TO TTL TRANSCEIVER, PQCC20
封裝: 2.50 X 4.50 MM, 0.85 MM HEIGHT, LEAD FREE, PLASTIC, MO-241, SOT764-1, VQFN-20
文件頁數(shù): 7/26頁
文件大?。?/td> 459K
代理商: NVT2008BQ
NVT2008_NVT2010
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 1 — 8 September 2010
7 of 26
NXP Semiconductors
NVT2008; NVT2010
Bidirectional voltage-level translator
Table 4.
Refer to
Figure 7
.
Symbol
V
ref(B)
V
I(EN)
V
ref(A)
I
sw(pass)
I
ref
T
amb
[1]
All typical values are at T
amb
= 25
°
C.
Application operating conditions
Parameter
reference voltage (B)
input voltage on pin EN
reference voltage (A)
pass switch current
reference current
ambient temperature
Conditions
Min
V
ref(A)
+ 0.6
V
ref(A)
+ 0.6
0
-
-
40
Typ
[1]
2.1
2.1
1.5
14
5
-
Max
5
5
4.4
-
-
+85
Unit
V
V
V
mA
μ
A
°
C
transistor
operating in
free-air
(1) In the Enabled mode, the applied enable voltage V
I(EN)
and the applied voltage at V
ref(A)
should be
such that V
ref(B)
is at least 1 V higher than V
ref(A)
for best translator operation.
(2) Note that the enable time and the disable time are essentially controlled by the RC time constant of
the capacitor and the 200 k
Ω
resistor on the EN pin.
Fig 8.
Typical application circuit (switch enable control)
002aae135
A1
A2
VREFA
GND
3
4
VREFB
1
6
5
B1
B2
8 EN
SW
SW
NVT2002
7
200 k
Ω
RPU
RPU
V
pu(D)
= 3.3 V
I
2
C-BUS
DEVICE
SDA
SCL
V
CC
GND
2
V
ref(A)
= 1.8 V
(1)
RPU
RPU
I
2
C-BUS
MASTER
SCL
SDA
V
CC
GND
on
off
3.3 V enable signal
(1)
(2)
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