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參數資料
| 型號： | MAX4470EXK-T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 運動控制電子 |
| 英文描述： | Single/Dual/Quad, !.8V/750nA, SC70, Rail-to-Rail Op Amps |
| 中文描述： | OP-AMP, 15000 uV OFFSET-MAX, 0.009 MHz BAND WIDTH, PDSO5 |
| 封裝： | SC-70, 5 PIN |
| 文件頁數： | 10/14頁 |
| 文件大小： | 737K |
| 代理商： | MAX4470EXK-T |
M
Single/Dual/Quad, +1.8V/750nA, SC70,
Rail-to-Rail Op Amps
10
______________________________________________________________________________________
R1
2pF TO 10pF
R2
V
IN
V
CC
V
SS
MAX44_ _
Figure 2. Compensation for Feedback Node Capacitance
Applications Information
Ground Sensing
The common-mode input range of the MAX4470 family
extends down to ground, and offers excellent common-
mode rejection. These devices are guaranteed not to
undergo phase reversal when the input is overdriven.
Power Supplies and Layout
The MAX4470 family operates from a single +1.8V to
+5.5V power supply. Bypass power supplies with a
0.1μF ceramic capacitor placed close to the V
DD
pin.
Ground layout improves performance by decreasing the
amount of stray capacitance and noise at the op amp
’
s
inputs and outputs. To decrease stray capacitance, mini-
mize PC board lengths and resistor leads, and place
external components close to the op amps
’
pins.
Bandwidth
The MAX4470/MAX4471/MAX4472 are internally
compensated for unity-gain stability and have a typical
gain-bandwidth of 9kHz. The MAX4464/MAX4474 have
a 40kHz typical gain-bandwidth and are stable for a
gain of +5V/V or greater.
Stability
The MAX4464/MAX4470/MAX4471/MAX4472/MAX4474
maintain stability in their minimum gain configuration
while driving capacitive loads. Although this product
family is primarily designed for low-frequency applica-
tions, good layout is extremely important because low-
power requirements demand high-impedance circuits.
The layout should also minimize stray capacitance at the
amplifier inputs. However some stray capacitance may
be unavoidable, and it may be necessary to add a 2pF
to 10pF capacitor across the feedback resistor as shown
in Figure 2. Select the smallest capacitor value that
ensures stability.
Pin Description (continued)
PIN
MAX4470/
MAX4464
—
—
—
—
—
—
—
—
—
—
5
MAX4471/
MAX4474
1
6
5
7
—
—
—
—
—
—
8
MAX4472
NAME
FUNCTION
1
6
5
7
9
10
8
13
12
14
4
OUTA
INB-
INB+
OUTB
INC-
INC+
OUTC
IND-
IND+
OUTD
V
DD
Amplifier Output (Channel A)
Inverting Amplifier Input (Channel B)
Noninverting Amplifier Input (Channel B)
Amplifier Output (Channel B)
Inverting Amplifier Input (Channel C)
Noninverting Amplifier Input (Channel C)
Amplifier Output (Channel C)
Inverting Amplifier Input (Channel D)
Noninverting Amplifier Input (Channel D)
Amplifier Output (Channel D)
Positive Power-Supply Voltage
相關PDF資料 |
PDF描述 |
|---|---|
| MAX4471EKA-T | Single/Dual/Quad, !.8V/750nA, SC70, Rail-to-Rail Op Amps |
| MAX4464EXK-T | CONN DSUB PIN 24-28AWG CRIMP AU |
| MAX4464 | Single/Dual/Quad, !.8V/750nA, SC70, Rail-to-Rail Op Amps |
| MAX4464EUK-T | Quadruple Low-Power Differential Line Driver 16-PDIP -40 to 85 |
| MAX4474EKA-T | Single/Dual/Quad, !.8V/750nA, SC70, Rail-to-Rail Op Amps |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX4471EKA | 制造商:Maxim Integrated Products 功能描述:- Cut Tape Product |
| MAX4471EKA+ | 制造商:Maxim Integrated Products 功能描述:- Cut Tape Product |
| MAX4471EKA+T | 功能描述:運算放大器 - 運放 1.8V/750nA Rail-Rail RoHS:否 制造商:STMicroelectronics 通道數量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 轉換速度:0.89 V/us 關閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| MAX4471EKA-T | 功能描述:運算放大器 - 運放 RoHS:否 制造商:STMicroelectronics 通道數量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 轉換速度:0.89 V/us 關閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| MAX4471ESA | 功能描述:運算放大器 - 運放 1.8V/750nA Rail-Rail RoHS:否 制造商:STMicroelectronics 通道數量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 轉換速度:0.89 V/us 關閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
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