參數(shù)資料
型號(hào): LM9812CCV
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 模擬信號(hào)調(diào)理
英文描述: LM9812 30-Bit Color Linear CCD Sensor Processor
中文描述: SPECIALTY ANALOG CIRCUIT, PQCC52
封裝: PLASTIC, LCC-52
文件頁(yè)數(shù): 8/37頁(yè)
文件大?。?/td> 479K
代理商: LM9812CCV
8
http://www.national.com
LM9812 can correct for using its internal PGA.
Note 13:
Reference voltages below 1.80V may decrease SNR. Reference voltages above 2.20V may cause linearity (headroom) errors inside the LM9812. The
LM4041DIM3-ADJ (SOT-23 package) or the LM4041DIZ-ADJ (TO-92 package) bandgap voltage references are recommended for this application.
Note 14:
PGA Gain Error is the maximum difference between the measured gain for any PGA code and the ideal gain calculated by using the formula
where
.
GainPGA
V
31
V
WHITE
V
REF
V
RFT
CCD Output Signal
V
---
G0
X--------------------------
+
=
X
G31
G0
(
)
32
------
=
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