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參數(shù)資料
| 型號： | MAX4125 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Single/Dual/Quad, Wide-Bandwidth, Low-Power, Single-Supply Rail-to-Rail I/O Op Amps |
| 中文描述： | 單/雙/四路、寬帶、低功耗、單電源、滿擺幅輸入/輸出運算放大器 |
| 文件頁數(shù)： | 13/16頁 |
| 文件大?。?/td> | 285K |
| 代理商： | MAX4125 |
M
S ingle/Dual/Quad, Wide-Bandwidth, Low-Power,
S ingle-S upply Rail-to-Rail I/O Op Amps
______________________________________________________________________________________
13
V
CC
TIME (5
μ
s/div)
V
OUT
Figure 11. Power-Up Output Voltage
SHDN
(1V/div
)
TIME (2
μ
s/div)
OUT
(0.5V/div)
V
CC
= 2.7V
R
L
= 10k
Figure 13. Shutdown Output Voltage
V
CC
(1V/div)
TIME (5
μ
s/div)
I
CC
(500
μ
A/div)
Figure 12. Power-Up Supply Current
SHDN
(1V/div)
TIME (2
μ
s/div)
I
CC
(500
μ
A/div)
V
CC
= 2.7V
Figure 14. Shutdown Enable/Disable Supply Current
Power-Up and S hutdown Mode
The MAX4122–MAX4129 amplifiers typically settle with-
in 1μs after power-up. Using the test circuit of Figure
10, Figures 11 and 12 show the output voltage and
supply current on power-up.
The MAX4123, MAX4125, and MAX4127 have a shut-
down option. When the shutdown pin (
SHDN
) is pulled
low, the supply current drops below 25μA per amplifier
and the amplifiers are disabled with the outputs in a
high-impedance state. Pulling
SHDN
high or leaving it
floating enables the amplifier. In the dual-amplifier
MAX4129, the shutdown functions operate indepen-
dently. Figures 13 and 14 show the output voltage and
supply current responses of the MAX4123 to a shut-
down pulse.
Power S upplies and Layout
The MAX4122–MAX4129 operate from a single +2.7V
to +6.5V power supply, or from dual supplies of ±1.35V
to ±3.25V. For single-supply operation, bypass the
power supply with a 0.1μF ceramic capacitor in parallel
with at least 1μF. For dual supplies, bypass each sup-
ply to ground.
Good layout improves performance by decreasing the
amount of stray capacitance at the op amp’s inputs
and outputs. To decrease stray capacitance, minimize
trace lengths and resistor leads by placing external
components close to the op amp’s pins.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX4126 | Single/Dual/Quad, Wide-Bandwidth, Low-Power, Single-Supply Rail-to-Rail I/O Op Amps |
| MAX4127 | Single/Dual/Quad, Wide-Bandwidth, Low-Power, Single-Supply Rail-to-Rail I/O Op Amps |
| MAX4128 | Single/Dual/Quad, Wide-Bandwidth, Low-Power, Single-Supply Rail-to-Rail I/O Op Amps |
| MAX4129 | Single/Dual/Quad, Wide-Bandwidth, Low-Power, Single-Supply Rail-to-Rail I/O Op Amps |
| MAX4123EUA | Single/Dual/Quad, Wide-Bandwidth, Low-Power, Single-Supply Rail-to-Rail I/O Op Amps |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4125ESA | 功能描述:運算放大器 - 運放 Single Wide-Bandwdth Single-Supply R-R 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 |
| MAX4125ESA+ | 功能描述:運算放大器 - 運放 Single Wide-Bandwdth Single-Supply R-R 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 |
| MAX4125ESA+T | 功能描述:運算放大器 - 運放 Single Wide-Bandwdth Single-Supply R-R 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 |
| MAX4125ESA-T | 功能描述:運算放大器 - 運放 Single Wide-Bandwdth Single-Supply R-R 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 |
| MAX4125EUA | 功能描述:運算放大器 - 運放 Single Wide-Bandwdth Single-Supply R-R 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 |
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