參數(shù)資料
型號: MCP2122T-E/SN
廠商: Microchip Technology
文件頁數(shù): 17/38頁
文件大?。?/td> 0K
描述: IC ENCODER/DECODER IRDA 8SOIC
標準包裝: 1
類型: 紅外線編碼器/解碼器
應用: 數(shù)據(jù)記錄,數(shù)據(jù)交換
電壓 - 電源,模擬: 1.8 V ~ 5.5 V
電壓 - 電源,數(shù)字: 1.8 V ~ 5.5 V
安裝類型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應商設(shè)備封裝: 8-SOICN
包裝: 標準包裝
產(chǎn)品目錄頁面: 684 (CN2011-ZH PDF)
配用: MCP212XDM-ND - BOARD DEVELOPMENT IRDA
其它名稱: MCP2122T-E/SNDKR
MCP2122
DS21894C-page 24
Preliminary
2007 Microchip Technology Inc.
FIGURE 4-6:
TX AND TXIR WAVEFORMS
TABLE 4-6:
TX AND TXIR REQUIREMENTS
AC Characteristics
Standard Operating Conditions (unless otherwise specified)
Operating Temperature: –40
°C ≤ TA ≤ +125°C (Extended)
Operating Voltage VDD range is described in
Param.
No.
Sym
Characteristic
Min
Typ (1)
Max
Units
Conditions
IR100A
TTXBIT
Transmit Baud Rate
16
TXCLK
IR100B
TTXIRBIT
Transmit Baud Rate
16
16
TXCLK
IR102A
ETXBIT
Host UART TX Error
± 2
%
IR102B
ETXIRBIT
TXIR Error from 16XCLK
0
%
IR113
TTXRF
TX pin rise time and fall
time
25
ns
IR114
TTXPDIRJ
16XCLK to TX jitter
1
TXCLK Note 2
IR120 TTXL2TXIRH TX falling edge (
↓) to
TXIR rising edge (
↑) (1)
7—
8
TXCLK
IR121A
TTXIRPW
TXIR pulse width
3
3
TXCLK At 115200 baud
IR121B
1.41
3.5
5
s
At 9600 baud (Note 5)
IR122
TTXIRP
TXIR bit period (1)
—16
TXCLK
IR123
TTXIRRF
TXIR pin rise time and fall
time
10
ns
50 pF load (Note 2)
Note 1: Data in the Typical (“Typ”) column is at 5V, +25
°C, unless otherwise stated. These parameters are for
design guidance only and are not tested.
2: These parameters (shaded) are characterized but are not tested. These values should be used for design
guidance only.
3: The TX pin operation may be asynchronous to the 16XCLK pin. This is the error from the desired baud rate
for the system.
4: The TXIR pin operation is synchronous to the 16XCLK pin. Any error present on the 16XCLK pin
(Parameter 1C) will be refelected on the TXIR pin.
5: This specification is not tested. This value is from the design target.
16XCLK
TX
TXIR
01
0
1
IR100
IR121
Bit
Bit ...
IR122
IR114
IR113
IR115
IR120
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