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参数资料
| 型号： | MAX4472EUD+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/19页 |
| 文件大小： | 0K |
| 描述： | IC OP AMP QUAD R-R 9KHZ 14-TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 放大器类型： | 通用 |
| 电路数： | 4 |
| 输出类型： | 满摆幅 |
| 转换速率： | 0.002 V/µs |
| 增益带宽积： | 9kHz |
| 电流 - 输入偏压： | 200pA |
| 电压 - 输入偏移： | 500µV |
| 电流 - 电源： | 0.75µA |
| 电流 - 输出 / 通道： | 36mA |
| 电压 - 电源，单路/双路(±)： | 1.8 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 14-TSSOP |
| 包装： | 带卷 (TR) |
MAX4464/MAX4470/MAX4471/MAX4472/MAX4474
Single/Dual/Quad, +1.8V/750nA, SC70,
Rail-to-Rail Op Amps
10
______________________________________________________________________________________
R1
2pF TO 10pF
R2
VIN
VCC
VSS
MAX44_ _
Figure 1. 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
0.1F ceramic capacitor placed close to the VDD 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 1. Select the smallest capacitor value that
ensures stability.
Pin Description (continued)
PIN
MAX4464/
MAX4470
(WLP)
MAX4471/
MAX4474
MAX4472
NAME
FUNCTION
—
1
OUTA
Amplifier Output (Channel A)
—
6
INB-
Inverting Amplifier Input (Channel B)
—
5
INB+
Noninverting Amplifier Input (Channel B)
—
7
OUTB
Amplifier Output (Channel B)
—
9
INC-
Inverting Amplifier Input (Channel C)
—
10
INC+
Noninverting Amplifier Input (Channel C)
—
8
OUTC
Amplifier Output (Channel C)
—
13
IND-
Inverting Amplifier Input (Channel D)
—
12
IND+
Noninverting Amplifier Input (Channel D)
—
14
OUTD
Amplifier Output (Channel D)
5B2
8
4
VDD
Positive Power-Supply Voltage
—
C2
—
N.C.
No Connection. Not internally connected.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4473C/D DIE | 制造商:Maxim Integrated Products 功能描述: |
| MAX4473ESA | 功能描述:功率放大器 PA Power Control Amp for GSM Aps RoHS:否 制造商:TriQuint Semiconductor 封装 / 箱体: 工作电源电压:28 V 电源电流:2.5 A 工作温度范围: 封装: |
| MAX4473ESA-T | 功能描述:射频放大器 PA Power Control Amp for GSM Aps RoHS:否 制造商:Skyworks Solutions, Inc. 类型:Low Noise Amplifier 工作频率:2.3 GHz to 2.8 GHz P1dB:18.5 dBm 输出截获点:37.5 dBm 功率增益类型:32 dB 噪声系数:0.85 dB 工作电源电压:5 V 电源电流:125 mA 测试频率:2.6 GHz 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-16 封装:Reel |
| MAX4473ETA | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX4473ETA-T | 制造商:Maxim Integrated Products 功能描述:LOW-COST, LOW-VOLTAGE, PA POWER CONTROL AMPLI - Tape and Reel |
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