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參數(shù)資料
| 型號(hào)： | MAX3370 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Automotive Catalog FlatLink Receiver 48-TSSOP -40 to 125 |
| 中文描述： | 1µA、2Mbps、低電壓電平轉(zhuǎn)換器，SC70和µDFN封裝 |
| 文件頁(yè)數(shù)： | 8/10頁(yè) |
| 文件大?。?/td> | 172K |
| 代理商： | MAX3370 |
M
1μA, 2Mbps, Low-Voltage Level
Translators in S C70
8
_______________________________________________________________________________________
Pin Desc ription
PIN
MAX3370
MAX3371
NAME
FUNCTION
1
1
V
L
Logic Supply Voltage
2
2
GND
Ground
3
3
I/O V
L
Input/Output Referred to V
L
4
4
I/O V
CC
Input/Output Referred to V
CC
5
6
V
CC
Power-Supply Voltage
—
5
SHDN
Shutdown. A high turns on the device. A low shuts down the device. I/O V
CC
and I/O V
L
are high impedance in shutdown.
Detailed Desc ription
The MAX3370/MAX3371 provide the necessary level
translation to allow data transfer in a multivoltage sys-
tem. These devices transmit data between an I/O pin
referenced to V
CC
and an I/O pin referenced to V
L
. The
V
CC
supply voltage range is from +2.5V to +5.5V, and
the V
L
supply voltage range is between +1.6V and
+5.5V. The MAX3371 features a shutdown mode in
which I/O V
CC
and I/O V
L
are placed in a high-imped-
ance state and supply current drops to 1μA.
The MAX3370/MAX3371 are bidirectional level shifters
allowing data transfer from the V
CC
side to the V
L
side,
and from the V
L
side to the V
CC
side. Both devices
operate at speeds up to 2Mbps with an active driver
and up to 500kbps with an open-drain driver.
Level T ranslation
The MAX3370/MAX3371 provide bidirectional level
translation between I/O pins referred to V
CC
and V
L
.
I/O V
CC
and I/O V
L
are internally pulled up to their
respective power-supply rails through 10k
resistors.
V
CC
must be between +2.5V and +5.5V, and V
L
must
be between +1.6V and +5.5V. For proper operation, V
L
can not exceed V
CC
.
The MAX3370/MAX3371 can operate at data rates up
to 2Mbps when driven by an active (push-pull) driver
with a 10pF load, 1Mbps when driven by an active dri-
ver with a 50pF load, or 500kbps when driven by an
open-drain driver with a 30pF load. The internal pullups
allow these devices to be driven by open-drain drivers.
MAX 3371 S hutdown Mode
The MAX3371 enters a low-power shutdown mode
when
SHDN
is driven low. Connect
SHDN
to V
L
or drive
high for normal operation. Activating shutdown mode
disconnects the internal 10k
pullup resistors on I/O
V
CC
and I/O V
L
. As a result, the supply current
decreases to <1μA, and the I/O lines are high imped-
ance. The high impedance I/O lines in shutdown allow
use in a multidrop network. When in shutdown, I/O V
L
can be driven to V
L
and I/O V
CC
can be driven to V
CC
.
S peed-Up
The speed-up circuit is a one-shot generator that helps
the rise time of the output waveform in the low-to-high
transition. When triggered, switches S
1
and S
2
turn on
for 320ns to pull up I/O V
L
and I/O V
CC
. This greatly
reduces the rise time and propagation delay for the
low-to-high transition as well as improves the duty
cycle (closer to 50% for an ideal square-wave input).
See the scope plots in the
Typical Operating
Characteristics
for the speed-up circuitry in operation.
Func tional Diagram
SPEEDUP
MNSW
R
1
S
1
S
2
R
2
GND
I/OV
CC
I/OV
L
V
CC
V
L
MAX3370
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX3370ELT | 制造商:Maxim Integrated Products 功能描述:1UA 2MBPS LOW-VOLTAGE LEVEL TRANS - Rail/Tube |
| MAX3370ELT+ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX3370ELT+T | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX3370ELT-T | 功能描述:轉(zhuǎn)換 - 電壓電平 1uA 2Mbps Low-Voltage Level Translator in SC70 RoHS:否 制造商:Micrel 類型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時(shí)間:1.9 ns 電源電流:14 mA 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MLF-8 |
| MAX3370EXK | 制造商:Maxim Integrated Products 功能描述:1UA 2MBPS LOW-VOLTAGE LEVEL TRANS - Bulk 制造商:Rochester Electronics LLC 功能描述: |
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