參數(shù)資料
型號(hào)： MCP3553E
廠商： Microchip Technology Inc.
英文描述： Low-Power, Single-Channel 22-Bit Delta-Sigma ADCs
中文描述： 低功耗，單通道22位Δ-Σ模數(shù)轉(zhuǎn)換器
文件頁(yè)數(shù)： 3/30頁(yè)
文件大?。?/td> 616K
代理商： MCP3553E
2005 Microchip Technology Inc.
DS21950B-page 3
MCP3551/3
Rejection Performance
(1,6)
Common Mode DC Rejection
Power Supply DC Rejection
Common Mode 50/60 Hz Rejection
Power Supply 50/60 Hz Rejection
—
—
—
—
-135
-115
-135
-85
—
—
—
—
dB
dB
dB
dB
V
CM
range from 0 to V
DD
CMRR
PSRR
V
CM
varies from 0V to V
DD
V
DD
varies from 4.5V to 5.5V
Normal Mode 50 or 60 Hz
Rejection
NMRR
—
-85
—
dB
MCP3551
only,
0 < V
CM
< V
DD
,
-V
REF
< V
IN
= (V
IN
+ -V
IN
-) <
+V
REF
Analog Inputs
Differential Input Range
Absolute/Common Mode Voltages
Analog Input Sampling Capacitor
Differential Input Impedance
Shutdown Mode Leakage Current
V
IN+
V
IN-
-V
REF
V
SS
- 0.3
—
—
—
—
—
10
2.4
1
+V
REF
V
DD
+ 0.3
—
—
—
V
V
pF
M
Ω
nA
Note 5
V
IN
+ = V
IN
- = V
DD
; CS = V
DD
(Note 3)
Reference Input
Voltage Range
Reference Input Sampling
Capacitor
Reference Input Impedance
Shutdown Mode Reference
Leakage Current
Power Requirements
Power Supply Voltage Range
MCP3551
Supply Current
0.1
—
—
15
V
DD
—
V
pF
Note 5
—
—
2.4
1
—
—
M
Ω
nA
Note 4
V
IN
+ = V
IN
- = V
SS
; CS = V
DD
V
DD
I
DD
2.7
—
—
—
—
—
—
—
120
100
140
120
10
—
5.5
170
—
185
—
V
μA
μA
μA
μA
μA
μA
V
DD
= 5V
V
DD
= 2.7V
V
DD
= 5V
V
DD
= 2.7V
MCP3553
Supply Current
I
DD
Supply Current, Sleep Mode
Supply Current, Shutdown Mode
Serial Interface
Voltage Input High (CS, SCK)
Voltage Input Low (CS, SCK)
Voltage Output High (SDO/RDY)
Voltage Output Low (SDO/RDY)
Input leakage Current
(CS, SCK)
Internal Pin Capacitance
(CS, SCK, SDO/RDY)
Note
1:
This parameter is established by characterization and not 100% tested.
2:
INL is the difference between the endpoints line and the measured code at the center of the quantization band.
3:
This current is due to the leakage current and the current due to the offset voltage between V
IN
+ and V
IN
-.
4:
Input impedance is inversely proportional to clock frequency; typical values are for the MCP3551 device. V
REF
= 5V.
5:
Characterized by design, but not tested.
6:
Rejection performance depends on internal oscillator accuracy; see
Section 4.0 “Device Overview”
for more informa-
tion on oscillator and digital filter design. MCP3551 device rejection specifications characterized from 49 to 61 Hz.
I
DDSL
I
DDS
1
CS = SCK = V
DD
V
IH
V
IL
V
OH
V
OL
I
LI
0.7 V
DD
—
V
DD
- 0.5
—
-1
—
—
—
—
—
—
0.4
—
0.4
1
V
V
V
V
μA
V
OH
= 1 mA, V
DD
= 5.0V
V
OH
= -1 mA, V
DD
= 5.0V
C
INT
—
5
—
pF
Note 1
DC CHARACTERISTICS (CONTINUED)
Electrical Specifications:
Unless otherwise indicated, all parameters apply at -40°C
≤
T
A
≤
+85°C, V
DD
= 2.7V or 5.0V.
V
REF
= 2.5V. V
IN
+ = V
IN
- = V
CM
= V
REF
/2. All ppm units use 2*V
REF
as full-scale range. Unless otherwise noted, specification
applies to entire MCP3551/3 family.
Parameters
Sym
Min
Typ
Max
Units
Conditions
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MCP3553-E/MS 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 22-bit ADC 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
MCP3553-E/SN 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 22-bit ADC 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
MCP3553T 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Low-Power, Single-Channel 22-Bit Delta-Sigma ADCs
MCP3553T-E/MS 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 22-bit ADC 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
MCP3553T-E/SN 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 22-bit ADC 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
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