參數(shù)資料
型號: MAX985ESA+
廠商: Maxim Integrated Products
文件頁數(shù): 12/12頁
文件大?。?/td> 0K
描述: IC COMPARATOR R-R 8-SOIC
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準包裝: 100
類型: 通用
元件數(shù): 1
輸出類型: CMOS,推挽式,滿擺幅,TTL
電壓 - 電源,單路/雙路(±): 2.5 V ~ 5.5 V,±1.25 V ~ 2.75 V
電壓 - 輸入偏移(最小值): 5mV @ 5.5V
電流 - 輸入偏壓(最小值): 1pA @ 5.5V
電流 - 靜態(tài)(最大值): 24µA
CMRR, PSRR(標(biāo)準): 80dB CMRR,80dB PSRR
傳輸延遲(最大): 450ns
磁滯: ±3mV
工作溫度: -40°C ~ 85°C
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
安裝類型: 表面貼裝
包裝: 管件
產(chǎn)品目錄頁面: 1386 (CN2011-ZH PDF)
9
Maxim Integrated
MAX985/MAX986/MAX989/
MAX990/MAX993/MAX994
Micropower, Low-Voltage, UCSP/SC70,
Rail-to-Rail I/O Comparators
Zero-Crossing Detector
Figure 3 shows a zero-crossing detector application.
The MAX985’s inverting input is connected to ground,
and its noninverting input is connected to a 100mVP-P
signal source. As the signal at the noninverting input
crosses 0V, the comparator’s output changes state.
Logic-Level Translator
Figure 4 shows an application that converts 5V logic lev-
els to 3V logic levels. The MAX986 is powered by the 5V
supply voltage, and the pullup resistor for the MAX986’s
open-drain output is connected to the 3V supply voltage.
This configuration allows the full 5V logic swing without
creating overvoltage on the 3V logic inputs. For 3V to 5V
logic-level translation, simply connect the 3V supply to
VCC and the 5V supply to the pullup resistor.
MAX985
IN+
3
4
OUT
1
2
5
VCC
100mV
VCC
VEE
IN-
MAX986
IN-
100k
100k
4
3
RPULLUP
3V (5V)
LOGIC OUT
OUT
1
5
2
VCC
5V (3V)
3V (5V)
VEE
5V (3V) LOGIC IN
IN+
Figure 3. Zero-Crossing Detector
Figure 4. Logic-Level Translator
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