參數(shù)資料
型號: TLV2548IPWRG4
廠商: TEXAS INSTRUMENTS INC
元件分類: ADC
英文描述: 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
封裝: GREEN, PLASTIC, TSSOP-20
文件頁數(shù): 42/46頁
文件大?。?/td> 1078K
代理商: TLV2548IPWRG4
TLV2544, TLV2548
2.7V TO 5.5V, 12BIT, 200KSPS, 4/8CHANNEL, LOW POWER
SERIAL ANALOGTODIGITAL CONVERTERS WITH AUTOPOWERDOWN
SLAS198E FEBRUARY 1999 REVISED JUNE 2003
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
detailed description (continued)
Charge
Redistribution
DAC
Control
Logic
_
+
REFM
Ain
ADC Code
Figure 1. Simplified Model of the Successive-Approximation System
serial interface
INPUT DATA FORMAT
MSB
LSB
D15D12
D11D0
Command ID[15:12]
Configuration data field ID[11:0]
Input data is binary. All trailing blanks can be filled with zeros.
OUTPUT DATA FORMAT READ CFR/FIFO READ
MSB
LSB
D15D12
D11D0
Don’t care
Register content or FIFO content OD[11:0]
OUTPUT DATA FORMAT CONVERSION
MSB
LSB
D15D4
D3D0
Conversion result OD[11:0]
Don’t care
The output data format is binary (unipolar straight binary).
binary
Zero scale code = 000h, Vcode = VREFM
Full scale code = FFFh, Vcode = VREFP 1 LSB
相關PDF資料
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TLV2544CDR 4-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO16
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