参数资料
| 型号： | NCV2902DTBR2G |
| 厂商： | ON Semiconductor |
| 文件页数： | 11/14页 |
| 文件大小： | 0K |
| 描述： | IC OPAMP QUAD DIFF INPUT 14TSSOP |
| 标准包装： | 1 |
| 放大器类型： | 通用 |
| 电路数： | 4 |
| 转换速率： | 0.6 V/µs |
| 增益带宽积： | 1MHz |
| 电流 - 输入偏压： | 90nA |
| 电压 - 输入偏移： | 2000µV |
| 电流 - 电源： | 1.4mA |
| 电流 - 输出 / 通道： | 40mA |
| 电压 - 电源，单路/双路(±)： | 3 V ~ 32 V，±1.5 V ~ 16 V |
| 工作温度： | -40°C ~ 125°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： | 标准包装 |
| 其它名称： | NCV2902DTBR2GOSDKR |
LM324, LM324A, LM224, LM2902, LM2902V, NCV2902
http://onsemi.com
6
CIRCUIT DESCRIPTION
The LM324 series is made using four internally
compensated, twostage operational amplifiers. The first
stage of each consists of differential input devices Q20 and
Q18 with input buffer transistors Q21 and Q17 and the
differential to single ended converter Q3 and Q4. The first
stage performs not only the first stage gain function but also
performs the level shifting and transconductance reduction
functions. By reducing the transconductance, a smaller
compensation capacitor (only 5.0 pF) can be employed, thus
saving chip area. The transconductance reduction is
accomplished by splitting the collectors of Q20 and Q18.
Another feature of this input stage is that the input common
mode range can include the negative supply or ground, in
single supply operation, without saturating either the input
devices or the differential to singleended converter. The
second stage consists of a standard current source load
amplifier stage.
Figure 2. Large Signal Voltage Follower Response
VCC = 15 Vdc
RL = 2.0 kW
TA = 25°C
5.0
ms/DIV
1.0
V/DIV
Each amplifier is biased from an internalvoltage
regulator which has a low temperature coefficient thus
giving each amplifier good temperature characteristics as
well as excellent power supply rejection.
Single Supply
Split Supplies
VCC
VEE/GND
3.0 V to VCC(max)
1
2
3
4
VCC
1
2
3
4
VEE
1.5 V to VCC(max)
1.5 V to VEE(max)
Figure 3.
70
60
50
40
30
20
10
0
1.0
10
100
10000
LOAD CAPACITANCE (pF)
Phase Margin
Figure 4. Gain and Phase Margin
1000
70
60
50
40
30
20
10
0
GAIN
MARGIN
(dB)
PHASE
MARGIN
(
°)
Gain Margin
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| NCV2903 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:Low Offset Voltage Dual Comparators |
| NCV2903DMR2 | 功能描述:校验器 IC 2-36V Dual RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压（最大值）:6 mV 电源电流（最大值）:1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel |
| NCV2903DMR2G | 功能描述:校验器 IC 2-36V Dual Extended Temp RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压（最大值）:6 mV 电源电流（最大值）:1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel |
| NCV2903DR2 | 功能描述:校验器 IC 2-36V Dual RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压（最大值）:6 mV 电源电流（最大值）:1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel |
| NCV2903DR2G | 功能描述:校验器 IC 2-36V Dual Extended Temp RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压（最大值）:6 mV 电源电流（最大值）:1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel |
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