參數(shù)資料
型號(hào): MCP6V28T-E/MS
廠商: Microchip Technology
文件頁(yè)數(shù): 22/50頁(yè)
文件大?。?/td> 0K
描述: IC OPAMP AUTO-ZERO SGL 8SOIC
標(biāo)準(zhǔn)包裝: 2,500
放大器類型: 自動(dòng)調(diào)零
電路數(shù): 1
輸出類型: 滿擺幅
轉(zhuǎn)換速率: 1 V/µs
增益帶寬積: 2MHz
電流 - 輸入偏壓: 7pA
電壓 - 輸入偏移: 2µV
電流 - 電源: 620µA
電流 - 輸出 / 通道: 22mA
電壓 - 電源,單路/雙路(±): 2.3 V ~ 5.5 V
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 8-TSSOP,8-MSOP(0.118",3.00mm 寬)
供應(yīng)商設(shè)備封裝: 8-MSOP
包裝: 帶卷 (TR)
2011 Microchip Technology Inc.
DS25007B-page 29
MCP6V26/7/8
The MCP9700A senses the temperature at its physical
location. It needs to be at the same temperature as the
cold junction (TCJ), and produces V3 (Figure 4-15).
The MCP1541 produces a 4.10V output, assuming
VDD is at 5.0V. This voltage, tied to a resistor ladder of
4.100(RTH) and 1.3224(RTH), would produce a
Thevenin equivalent of 1.00V and 250(RTH). The
1.3224(RTH) resistor is combined in parallel with the
top right RTH resistor (in Figure 4-15), producing the
0.5696(RTH) resistor.
V4 should be converted to digital, then corrected for the
thermocouple’s non-linearity. The ADC can use the
MCP1541 as its voltage reference. Alternately, an
absolute reference inside a PICmicro device can be
used instead of the MCP1541.
4.4.4
OFFSET VOLTAGE CORRECTION
Figure 4-17 shows an MCP6V27 correcting the input
offset voltage of another op amp. R2 and C2 integrate
the offset error seen at the other op amp’s input; the
integration needs to be slow enough to be stable (with
the feedback provided by R1 and R3).
FIGURE 4-17:
Offset Correction.
4.4.5
PRECISION COMPARATOR
Use high gain before a comparator to improve the
latter’s performance. Do not use MCP6V26/7/8 as a
comparator by itself; the VOS correction circuitry does
not operate properly without a feedback loop.
FIGURE 4-18:
Precision Comparator.
C2
R2
R1
R3
U2
VDD/2
VIN
VOUT
R2
U1
MCP6V26
R4
R5
VDD/2
MCP661
VIN
R3
R2
VDD/2
U2
VOUT
R5
R4
R1
1k
Ω
U1
MCP6V26
MCP6541
相關(guān)PDF資料
PDF描述
EL5161IWZ-T7 IC AMP CFA SGL 200MHZ SOT23-5
MTLW-107-05-G-D-170 CONN HEADER 14POS 1.00" DL GOLD
TSW-108-07-G-T CONN HEADER 24POS .100" AU
3429-6002UG CONN HEADER 26POS STR NO LATCH
TST-108-04-L-D-RA CONN HEADER 16POS .100" R/A GOLD
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MCP6V31T-E/OT 功能描述:運(yùn)算放大器 - 運(yùn)放 Single, Zero Drift Op Amp, E Temp RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比(最小值):63 dB 輸入補(bǔ)償電壓:1 mV 輸入偏流(最大值):10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel
MCP6V31T-E/OT-CUT TAPE 制造商:Microchip Technology 功能描述:Cut Tape 制造商:Microchip Technology 功能描述:SP Amp Zero Drift Amplifier Single R-R I/O 5.5V 5-Pin SOT-23 T/R
MCP6V31UT-E/LT 功能描述:運(yùn)算放大器 - 運(yùn)放 Single, Zero Drift Op Amp, E Temp RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比(最小值):63 dB 輸入補(bǔ)償電壓:1 mV 輸入偏流(最大值):10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel
MCP6V31UT-E/OT 功能描述:運(yùn)算放大器 - 運(yùn)放 Single, Zero Drift Op Amp, E Temp RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比(最小值):63 dB 輸入補(bǔ)償電壓:1 mV 輸入偏流(最大值):10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel
MCP6V31UT-E/OT-CUT TAPE 制造商:Microchip Technology 功能描述:Cut Tape 制造商:Microchip Technology 功能描述:SP Amp Zero Drift Amplifier Single R-R I/O 5.5V 5-Pin SOT-23 T/R