參數(shù)資料
型號(hào): MCP3208-CIP
廠商: Microchip Technology Inc.
元件分類: 串行ADC
英文描述: 2.7V 4-Channel/8-Channel 12-Bit A/D Converters with SPI Serial Interface
中文描述: 2.7 4-Channel/8-Channel 12位A / D轉(zhuǎn)換器具有SPI串行接口
文件頁數(shù): 13/20頁
文件大?。?/td> 425K
代理商: MCP3208-CIP
1999 Microchip Technology Inc.
Preliminary
DS21298B-page 13
MCP3204/3208
FIGURE 4-1:
Analog Input Model
FIGURE 4-2:
Maximum Clock Frequency vs. Input
resistance (R
S
) to maintain less than a 0.1LSB
deviation in INL from nominal conditions.
C
PIN
7pF
VA
R
S
CHx
V
T
= 0.6V
V
T
= 0.6V
I
LEAKAGE
±
1 nA
Sampling
Switch
SS
R
SS
= 1k
C
SAMPLE
= DAC capacitance
= 20 pF
V
SS
V
DD
= Signal Source
= Source Impedance
= Input Channel Pad
= Input Capacitance
= Threshold Voltage
= Leakage Current at the pin
due to various junctions
= Sampling Switch
= Sampling Switch Resistor
= Sample/Hold Capacitance
VA
R
S
CHx
C
PIN
V
T
I
LEAKAGE
SS
R
SS
C
SAMPLE
Legend
0.0
0.5
1.0
1.5
2.0
2.5
100
1000
10000
Input Resistance (Ohms)
C
V
DD
= 5V
V
DD
= 2.7V
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