参数资料
| 型号： | OP249GSZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 5/20页 |
| 文件大小： | 0K |
| 描述： | IC OPAMP JFET 4.7MHZ DUAL 8SOIC |
| 标准包装： | 98 |
| 放大器类型： | J-FET |
| 电路数： | 2 |
| 转换速率： | 22 V/µs |
| 增益带宽积： | 4.7MHz |
| 电流 - 输入偏压： | 30pA |
| 电压 - 输入偏移： | 200µV |
| 电流 - 电源： | 5.6mA |
| 电流 - 输出 / 通道： | 36mA |
| 电压 - 电源，单路/双路(±)： | ±4.5 V ~ 18 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SO |
| 包装： | 管件 |
| 产品目录页面： | 770 (CN2011-ZH PDF) |
Data Sheet
OP249
Rev. H | Page 13 of 20
APPLICATIONS INFORMATION
+IN
V+
VOUT
V–
–IN
00296-
039
Figure 39. Simplified Schematic (1/2 OP249)
+3V
+18V
+3V
5k
1/2
OP249
1/2
OP249
2
1
3
6
5
4
8
7
–18V
00296-
040
Figure 40. Burn-In Circuit
The OP249 represents a reliable JFET amplifier design,
featuring an excellent combination of dc precision and high
speed. A rugged output stage provides the ability to drive a
600 Ω load and still maintain a clean ac response. The OP249
features a large signal response that is more linear and symmetric
than previously available JFET input amplifiers. Figure 41
compares the large signal response of the OP249 to other
industry-standard dual JFET amplifiers.
Typically, the slewing performance of the JFET amplifier is
specified as a number of V/s. There is no discussion on the
quality, that is, linearity and symmetry of the slewing response.
10
0%
100
90
A) OP249
10
0%
100
90
B) LT1057
1s
5V
1s
5V
00296-
041
Figure 41. Large-Signal Transient Response,
AV = 1, VIN = 20 V p-p, ZL = 2 k//200 pF, VS = ±15 V
The OP249 was carefully designed to provide symmetrically
matched slew characteristics in both the negative and positive
directions, even when driving a large output load.
The slewing limitation of the amplifier determines the maximum
frequency at which a sinusoidal output can be obtained without
significant distortion. However, it is important to note that the
nonsymmetric slewing typical of previously available JFET
amplifiers adds a higher series of harmonic energy content to
the resulting response—and an additional dc output component.
Examples of potential problems of nonsymmetric slewing behavior
can be in audio amplifier applications, where a natural low dis-
tortion sound quality is desired and in servo or signal processing
systems where a net dc offset cannot be tolerated. The linear
and symmetric slewing feature of the OP249 makes it an ideal
choice for applications that exceed the full power bandwidth
range of the amplifier.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| OP249GSZ-REEL | 功能描述:IC OPAMP JFET 4.7MHZ DUAL 8SOIC RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:50 系列:- 放大器类型:通用 电路数:2 输出类型:满摆幅 转换速率:1.8 V/µs 增益带宽积:6.5MHz -3db带宽:4.5MHz 电流 - 输入偏压:5nA 电压 - 输入偏移:100µV 电流 - 电源:65µA 电流 - 输出 / 通道:35mA 电压 - 电源，单路/双路(±):1.8 V ~ 5.25 V，±0.9 V ~ 2.625 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽） 供应商设备封装:10-MSOP 包装:管件 |
| OP249GSZ-REEL7 | 功能描述:IC OPAMP JFET 4.7MHZ DUAL 8SOIC RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:50 系列:- 放大器类型:通用 电路数:2 输出类型:满摆幅 转换速率:1.8 V/µs 增益带宽积:6.5MHz -3db带宽:4.5MHz 电流 - 输入偏压:5nA 电压 - 输入偏移:100µV 电流 - 电源:65µA 电流 - 输出 / 通道:35mA 电压 - 电源，单路/双路(±):1.8 V ~ 5.25 V，±0.9 V ~ 2.625 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽） 供应商设备封装:10-MSOP 包装:管件 |
| OP24L | 制造商:未知厂家 制造商全称:未知厂家 功能描述:C-K-RAS AB-1 |
| OP250 | 功能描述:红外发射源 SMD Flat Lens RoHS:否 制造商:Fairchild Semiconductor 波长:880 nm 射束角:+/- 25 辐射强度: 最大工作温度:+ 100 C 最小工作温度:- 40 C 封装 / 箱体:Side Looker 封装:Bulk |
| OP250 | 制造商:TT Electronics / OPTEK Technology 功能描述:IR Emitting Diode |
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