參數(shù)資料
型號(hào)： MCP3204-BI/SL
廠商： Microchip Technology
文件頁(yè)數(shù)： 7/40頁(yè)
文件大?。?/td> 0K
描述： IC ADC 12BIT 2.7V 4CH SPI 14SOIC
標(biāo)準(zhǔn)包裝： 57
位數(shù)： 12
采樣率（每秒）： 100k
數(shù)據(jù)接口： 串行，SPI?
轉(zhuǎn)換器數(shù)目： 1
電壓電源： 單電源
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 14-SOIC（0.154"，3.90mm 寬）
供應(yīng)商設(shè)備封裝： 14-SOIC
包裝： 管件
輸入數(shù)目和類型： 4 個(gè)單端，單極；2 個(gè)偽差分，單極
產(chǎn)品目錄頁(yè)面： 672 (CN2011-ZH PDF)
2008 Microchip Technology Inc.
DS21298E-page 15
MCP3204/3208
3.0
PIN DESCRIPTIONS
The descriptions of the pins are listed in Table 3-1.
3.1
Digital Ground (DGND)
Digital ground connection to internal digital circuitry.
3.2
Analog Ground (AGND)
Analog ground connection to internal analog circuitry.
3.3
Analog Inputs (CH0 - CH7)
Analog inputs for channels 0 - 7 for the multiplexed
inputs. Each pair of channels can be programmed to be
used as two independent channels in single-ended
mode or as a single pseudo-differential input, where
one channel is IN+ and one channel is IN. See
, “Analog Inputs”, and
, “Serial Com-
munications”, for information on programming the
channel configuration.
3.4
Serial Clock (CLK)
The SPI clock pin is used to initiate a conversion and
clock out each bit of the conversion as it takes place.
, “Maintaining Minimum Clock Speed”, for con-
straints on clock speed.
3.5
Serial Data Input (D
IN)
The SPI port serial data input pin is used to load
channel configuration data into the device.
3.6
Serial Data Output (D
OUT)
The SPI serial data output pin is used to shift out the
results of the A/D conversion. Data will always change
on the falling edge of each clock as the conversion
takes place.
3.7
Chip Select/Shutdown (CS/SHDN)
The CS/SHDN pin is used to initiate communication
with the device when pulled low and will end a
conversion and put the device in low power standby
when pulled high. The CS/SHDN pin must be pulled
high between conversions.
TABLE 3-1:
PIN FUNCTION TABLE
MCP3204
MCP3208
Symbol
Definition
PDIP, SOIC,
TSSOP
PDIP, SOIC
1
CH0
Analog Input
2
CH1
Analog Input
3
CH2
Analog Input
4
CH3
Analog Input
—
5
CH4
Analog Input
—
6
CH5
Analog Input
—
7
CH6
Analog Input
—
8
CH7
Analog Input
7
9
DGND
Digital Ground
810
CS/SHDN
Chip Select/Shutdown Input
911
DIN
Serial Data In
10
12
DOUT
Serial Data Out
11
13
CLK
Serial Clock
12
14
AGND
Analog Ground
13
15
VREF
Reference Voltage Input
14
16
VDD
+2.7V to 5.5V Power Supply
5, 6
—
NC
No Connection
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MCP3204-BIST 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:2.7V 4-Channel/8-Channel 12-Bit A/D Converters with SPI Serial Interface
MCP3204-CI/P 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-bit SPI 4 Chl RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
MCP3204-CI/P 制造商:Microchip Technology Inc 功能描述:IC 12BIT ADC 3204 DIP14
MCP3204-CI/SL 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-bit SPI 4 Chl RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
MCP3204-CI/SL 制造商:Microchip Technology Inc 功能描述:IC 12BIT ADC SMD 3204 SOIC14
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