參數(shù)資料
型號(hào): ADG3231BRJZ-REEL
廠商: Analog Devices Inc
文件頁數(shù): 12/12頁
文件大?。?/td> 0K
描述: IC XLATOR 1CH 1.65-3.6V SOT23-6
標(biāo)準(zhǔn)包裝: 10,000
邏輯功能: 變換器,單向
位數(shù): 1
輸入類型: 上/下
輸出類型: 上/下
通道數(shù): 1
輸出/通道數(shù)目: 1
差分 - 輸入:輸出: 無/無
傳輸延遲(最大): 6.5ns
電源電壓: 1.65 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
封裝/外殼: SOT-23-6
供應(yīng)商設(shè)備封裝: SOT-23-6
包裝: 帶卷 (TR)
Data Sheet
ADG3231
Rev. C | Page 9 of 12
THEORY OF OPERATION
The ADG3231 is a single-channel level translator designed on a
submicron process that is guaranteed to operate over the 1.65 V
to 3.6 V supply range. The device can be used in applications
requiring communication between digital devices operating
from multiple supply voltages. The logic levels on each side of
the device are set by the two supply voltages, VCC1 for A, and
VCC2 for Y. The signal path is unidirectional, meaning data can
flow only from A to Y.
The ADG3231 can operate with any combination of VCC1
and VCC2 supply voltages within the 1.65 V to 3.6 V range,
allowing the part to perform either up (VCC1 < VCC2) or down
(VCC1 > VCC2) level translation.
By limiting the current delivered into the load, for example,
~1.7 mA with VCC2 = 3.6 V, the output stage is protected against
current overload, which can occur when the Y pin is
accidentally shorted to the VCC2 or GND rails.
The short-circuit protection circuitry works by limiting
the output current when the output voltage exceeds
VOL (A = 0 logic) or is less than VOH (A = 1 logic) threshold
values specified for the VCC2 supply voltage used.
Figure 18 shows a typical application for the ADG3231 where
the device performs level translation from VCC1-compatible
levels to VCC2-compatible levels to allow proper communication
between the two digital devices, DEVICE 1 and DEVICE 2.
SIGNAL OUTPUT
VCC2
DEVICE 2
SIGNAL INPUT
DEVICE 1
ADG3231
A
GND
Y
VCC2
VCC1
03298-
021
Figure 18. Typical Application of the ADG3231 Level Translator
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