参数资料
型号: MCP651ST-E/OT
厂商: Microchip Technology
文件页数: 18/66页
文件大小: 0K
描述: IC OPAMP GP RRO 50MHZ SOT23-5
标准包装: 1
系列: mCal 技术
放大器类型: 通用
电路数: 1
输出类型: 满摆幅
转换速率: 30 V/µs
增益带宽积: 50MHz
电流 - 输入偏压: 6pA
电压 - 输入偏移: 200µV
电流 - 电源: 6mA
电流 - 输出 / 通道: 100mA
电压 - 电源,单路/双路(±): 2.5 V ~ 5.5 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: SC-74A,SOT-753
供应商设备封装: SOT-23-5
包装: 标准包装
其它名称: MCP651ST-E/OTDKR
2009-2011 Microchip Technology Inc.
DS22146C-page 25
MCP651/1S/2/3/4/5/9
A significant amount of current can flow out of the
inputs (through the ESD diodes) when the Common
mode voltage (VCM) is below ground (VSS); see
Figure 2-15. Applications that are high-impedance may
need to limit the usable voltage range.
4.2.3
NORMAL OPERATION
The input stage of the MCP651/1S/2/3/4/5/9 op amps
uses a differential PMOS input stage. It operates at low
Common mode input voltage (VCM), with VCM up to
VDD – 1.3V and down to VSS – 0.3V. The input offset
voltage (VOS) is measured at VCM =VSS –0.3V and
VDD – 1.3V to ensure proper operation. See Figure 2-6
and Figure 2-7 for temperature effects.
When operating at very low non-inverting gains, the
output voltage is limited at the top by the VCM range
(< VDD –1.3V); see Figure 4-5
FIGURE 4-5:
Unity Gain Voltage
Limitations for Linear Operation.
4.3
Rail-to-Rail Output
4.3.0.1
Maximum Output Voltage
The Maximum Output Voltage (see Figure 2-16 and
Figure 2-17) describes the output range for a given
load. For instance, the output voltage swings to within
15 mV of the negative rail with a 1 k
load tied to
VDD/2.
4.3.0.2
Output Current
Figure 4-6 shows the possible combinations of output
voltage (VOUT) and output current (IOUT). IOUT is
positive when it flows out of the op amp into the
external circuit.
FIGURE 4-6:
Output Current.
VIN
MCP65X
VDD
VOUT
V
SS
V
IN
V
OUT
V
DD
1.3V
-0.5
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
-120
-100
-80
-60
-40
-20
0
20
40
60
80
100
120
IOUT (mA)
V
OUT
(V
)
RL = 10
RL = 100
RL = 1 k
VOH Limited
VOL Limited
-I
SC
L
imi
te
d
+I
SC
L
imi
te
d
(VDD = 5.5V)
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