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參數(shù)資料
| 型號： | MAX9005EUA |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | Low-Power, High-Speed, Single-Supply Op Amp + Comparator + Reference ICs |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PDSO8 |
| 封裝： | UMAX-8 |
| 文件頁數(shù)： | 14/20頁 |
| 文件大小： | 249K |
| 代理商： | MAX9005EUA |
M
Referenc e Bypassing
While the internal reference is stable with capacitive
loads up to 100nF, it does not require an output capaci-
tor for stability. However, in applications where the load
or the supply could experience large step changes, an
output capacitor reduces the amount of overshoot and
improves the circuit’s transient response.
Comparator Input S tage
The comparator’s input bias current is typically 8nA. To
reduce the offset error caused by the bias current flow-
ing through the external source impedance, match the
effective impedance seen by each input. High source
impedance together with the comparator’s input capaci-
tance can increase the propagation delay through the
comparator. The outputs do not undergo phase rever-
sal when the input common-mode range is exceeded,
and the input impedance is relatively constant for input
voltages within both supply rails.
Comparator Hysteresis
Built-in ±2mV hysteresis improves the comparator’s
noise immunity. It prevents unstable outputs with slow-
moving or noisy input signals. If additional hysteresis is
required, add positive feedback as shown in Figure 6.
This configuration increases the hysteresis band to
desired levels, but also increases power consumption
and slows down the output response.
Low-Power, High-S peed, S ingle-S upply
Op Amp + Comparator + Referenc e ICs
14
______________________________________________________________________________________
2
μ
s/div
V
IN
50mV/
div
V
OUT
50mV/
div
M
Figure 3. MAX9000/MAX9001/MAX9002 Op-Amp Small-Signal
Transient Response with Capacitive Load (C
L
= 510pF) and
Isolation Resistor (R
ISO
= 91
)
Figure 5. Compensation for Input Capacitance
R1
R2
2pF TO10pF
AOUT
AIN+
2
μ
s/div
V
IN
50mV/
div
V
OUT
50mV/
div
M
V
DD
= +1
C
L
= 510pF
Figure 4. MAX9000/MAX9001/MAX9002 Op-Amp Small-Signal
Transient Response with Capacitive Load (C
L
= 510pF) and
No Isolation Resistor
REF
R2
R1
COUT
V
IN
Figure 6. External Hysteresis
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX9004ESA | Voltage-Feedback Operational Amplifier |
| MAX9000-MAX9005 | Low-Power High-Speed Single-Supply Op Amp + Comparator + Refer |
| MAX9001ESA | Voltage-Feedback Operational Amplifier |
| MAX9001EUA | Voltage-Feedback Operational Amplifier |
| MAX901BCWE | Analog Comparator |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX9005EUA+ | 功能描述:運(yùn)算放大器 - 運(yùn)放 Op Amp Comparator Reference IC 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 |
| MAX9005EUA+T | 功能描述:高速運(yùn)算放大器 Op Amp Comparator Reference IC RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX9005EUA-T | 功能描述:高速運(yùn)算放大器 RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX900A | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:High-Speed, Low-Power Voltage Comparators |
| MAX900ACPP | 功能描述:校驗(yàn)器 IC RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補(bǔ)償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時(shí)間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
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