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THS3001 是一款高速电流反馈运算放大器,此放大器非常适合于通信、成像、和高质量视频应用。这个器件为要求出色瞬态响应的大信号应用提供 6500V/μs 极快压摆率、420MHz 带宽和 40ns 稳定时间。此外,THS3001 以 –96dBc 的极低失真运行,这使得该器件非常适合无线通信基站、超快 ADC 或 DAC 缓冲器等应用。
引脚 | 类型 | 说明 | |
---|---|---|---|
编号 | 名称 | ||
1 | NC | — | 无内部连接 |
2 | IN– | 输入 | 反相输入 |
3 | IN+ | 输入 | 同相输入 |
4 | VCC– | 输入 | 负电源连接 |
5 | NC | — | 无内部连接 |
6 | OUT | 输出 | 放大器输出 |
7 | VCC+ | 输入 | 正电源连接 |
8 | NC | — | 无内部连接 |
最小值 | 最大值 | 单位 | |||
---|---|---|---|---|---|
Vcc | 电源电压,VCC+ 至 VCC- | 33 | V | ||
VI | 输入电压 | ±VCC | ±VCC | V | |
IO | 输出电流 | 175 | mA | ||
VID | 差分输入电压 | ±6 | V | ||
TJ | 最大结温 | 150 | °C | ||
TJ | 最大结温,长期持续可靠运行(2) | 125 | °C | ||
TA | 自然通风条件下的工作温度范围 | -40 | 85 | °C | |
Tstg | 贮存温度 | -65 | 125 | °C |
最小值 | 标称值 | 最大值 | 单位 | |||
---|---|---|---|---|---|---|
VCC | 电源电压 | 双电源 | ±4.5 | ±15 | ±16 | V |
单电源 | 9 | 30 | 32 | |||
TA | 自然通风条件下的工作温度范围 | -40 | 25 | 85 | °C |
热指标(1) | THS3001 | 单位 | ||
---|---|---|---|---|
D (SOIC) | DGN (HVSSOP) | |||
8 引脚 | 8 引脚 | |||
RθJA | 结至环境热阻 | 97.5 | 56.9 | °C/W |
RθJC(top) | 结至外壳(顶部)热阻 | 38.3 | 78.2 | °C/W |
RθJB | 结至电路板热阻 | 不适用 | 29.6 | °C/W |
ΨJT | 结至顶部特征参数 | 不适用 | 4.7 | °C/W |
ΨJB | 结至电路板特征参数 | 不适用 | 29.5 | °C/W |
RθJC(bot) | 结至外壳(底部)热阻 | 不适用 | 12.5 | °C/W |
参数 | 测试条件(1) | 最小值 | 典型值 | 最大值 | 单位 | |||
---|---|---|---|---|---|---|---|---|
动态性能 | ||||||||
BW | 小信号带宽 (–3dB) | G = 1,RF = 1kΩ | VCC = ±5V | 330 | MHz | |||
VCC= ±15V | 420 | |||||||
G = 2 | VCC = ±5V, RF = 750Ω |
300 | ||||||
VCC = ±15V, RF = 680Ω |
385 | |||||||
G = 5 | VCC = ±15V, RF = 560Ω |
350 | ||||||
0.1dB 平坦带宽 | G = 2 | VCC = ±5V, RF = 750Ω |
65 | |||||
VCC = ±15V, RF = 680Ω |
55 | |||||||
全功率带宽(2) | VCC = ±5V, VO(PP) = 4V, RL = 500Ω |
G = -5 | 65 | |||||
G = 5 | 62 | |||||||
VCC = ±15V, VO(PP) = 20V, RL = 500Ω |
G = -5 | 32 | ||||||
G = 5 | 31 | |||||||
SR | 压摆率(1) | VCC = ±5V, VO(PP) = 4V |
G = -5 | 1700 | V/μs | |||
G = 5 | 1300 | |||||||
VCC = ±15V, VO(PP) = 20V |
G = -5 | 6500 | ||||||
G = 5 | 6300 | |||||||
ts | 精度达 0.1% 的稳定时间 | 增益 = -1 |
VCC = ±15V, 0V 至 10V 阶跃 |
40 | ns | |||
VCC = ±5V, 0V 至 2V 阶跃, |
25 | |||||||
噪声和失真性能 | ||||||||
THD | 总谐波失真 | VCC = ±15V,VO(PP) = 2V,G = 2,fc = 10MHz | -80 | dBc | ||||
Vn | 输入电压噪声 | VCC = ±5V 或 ±15V G = 2,f = 10kHz | 1.6 | nV/√Hz | ||||
Inp | 同相输入电流噪声 | VCC = ±5V 或 ±15V,f = 10kHz,G = 2 | 13 | pA/√Hz | ||||
Inn | 反相输入电流噪声 | VCC = ±5V 或 ±15V,f = 10kHz,G = 2 | 16 | pA/√Hz | ||||
直流性能 | ||||||||
VIO | 输入失调电压 | VCC = ±5V 或 ±15V | TA = 25°C | 1 | 3 | mV | ||
TA = 全范围 | 4 | |||||||
输入失调电压温漂 | VCC = ±5V 或 ±15V | 5 | μV/°C | |||||
ZOL | 开环跨阻 | VCC = ±5V,VO = ±2.5V,RL = 1kΩ | 1.3 | MΩ | ||||
VCC = ±15V,VO = ±7.5V,RL = 1kΩ | 2.4 | |||||||
IIB+ | 同相输入偏置电流 | VCC = ±5V 或 ±15V | TA = 25°C | 2 | 10 | μA | ||
TA = 全范围 | 15 | |||||||
IIB– | 反相输入偏置电流 | VCC = ±5V 或 ±15V | TA = 25°C | 1 | 10 | μA | ||
TA = 全范围 | 15 | |||||||
输入特性 | ||||||||
VICR | 共模输入电压范围 | VCC = ±5V | ±3 | ±3.2 | V | |||
VCC = ±15V | ±12.9 | ±13.2 | ||||||
CMRR | 共模抑制比 | VCC = ±5V,VCM = ±2.5V | 62 | 70 | dB | |||
VCC = ±15V,VCM = ±10V | 65 | 73 | ||||||
RI+ | 同相输入电阻 | 1.5 | MΩ | |||||
RI– | 反相输入电阻 | 15 | Ω | |||||
CI | 差分输入电容 | 7.5 | pF | |||||
输出特性 | ||||||||
VO | 输出电压摆幅 | VCC = ±5V | RL = 150Ω | ±2.9 | ±3.2 | V | ||
RL = 1kΩ | ±3 | ±3.3 | ||||||
VCC = ±15V | RL = 150Ω | ±12.1 | ±12.8 | |||||
RL = 1kΩ | ±12.8 | ±13.1 | ||||||
IO | 输出电流(2) | VCC = ±5V,RL = 20Ω | 100 | mA | ||||
VCC = ±15V,RL = 75Ω | 85 | 120 | ||||||
RO | 输出电阻 | 5MHz 时的开环 | 10 | Ω | ||||
电源 | ||||||||
ICC | 静态电流 | VCC = ±5V | TA = 25°C | 5.5 | 7.5 | mA | ||
TA = 全范围 | 8.5 | |||||||
VCC = ±15V | TA = 25°C | 6.6 | 9 | |||||
TA = 全范围 | 10 | |||||||
VCC = ±18V | TA = 25°C | 6.9 | 9.5 | |||||
TA = 全范围 | 10.5 | |||||||
PSRR | 电源抑制比 | VCC = ±5V | TA = 25°C | 65 | 76 | dB | ||
TA = 全范围 | 63 | |||||||
VCC = ±15V | TA = 25°C | 69 | 76 | |||||
TA = 全范围 | 67 |
图表 | |||
---|---|---|---|
|VO| | 输出电压摆幅 | 与自然通风温度间的关系 | 图 5-1 |
ICC | 电流供应 | 与自然通风温度间的关系 | 图 5-2 |
IIB | 输入偏置电流 | 与自然通风温度间的关系 | 图 5-3 |
VIO | 输入失调电压 | 与自然通风温度间的关系 | 图 5-4 |
CMRR | 共模抑制比 | 与共模输入电压间的关系 | 图 5-5 |
与共模输入电压间的关系 | 图 5-6 | ||
与频率间的关系 | 图 5-7 | ||
跨阻 | 与自然通风温度间的关系 | 图 5-8 | |
闭环输出阻抗 | 与频率间的关系 | 图 5-9 | |
Vn | 电压噪声 | 与频率间的关系 | 图 5-10 |
In | 电流噪声 | 与频率间的关系 | |
PSRR | 电源抑制比 | 与频率间的关系 | 图 5-11 |
与自然通风温度间的关系 | 图 5-12 | ||
SR | 压摆率 | 与输出峰峰值阶跃间的关系 | 图 5-13、图 5-14 |
标称压摆率 | 与增益间的关系 | 图 5-15 | |
谐波失真 | 与峰峰值输出电压摆幅间的关系 | 图 5-16、图 5-17 | |
与频率间的关系 | 图 5-18、图 5-19 | ||
输出幅度 | 与频率间的关系 | 图 5-20 到 图 5-24 | |
归一化输出响应 | 与频率间的关系 | 图 5-25 到 图 5-28 | |
小信号和大信号频率响应 | 图 5-29、图 5-30 | ||
小信号脉冲响应 | 图 5-31、图 5-32 | ||
大信号脉冲响应 | 图 5-33 到 图 5-40 |
VS = ±15V |
VCC = ±15V,RFB = 680Ω,增益 = +2,VIN= 2VPP |
VS = ±15V,增益 = +5, RL = 150Ω,RFB = 1kΩ, | ||
tRISE/FALL = 300ps,VOUT = 4VPP |
VS = ±5V,RL = 150Ω,RFB = 1kΩ,tRISE/FALL = 300ps, | ||
VOUT = 4VPP |
VS = ±15V,增益 = +2,RL = 150Ω,RFB = 680Ω,fIN = 1MHz |
VS = ±5V,增益 = +2,RL = 150Ω,RFB = 680Ω,VOUT = 2VPP |
VS = ±5V,增益 = +1,RL = 150Ω,VIN = 200mVRMS |
VS = ±5V,增益 = +2,RL = 150Ω,VIN = 200mVRMS |
VS = ±15V,增益 = -1,RL = 150Ω,VIN = 200mVRMS |
VS = ±15V,增益 = +5,RL = 150Ω,VIN = 200mVRMS |
VS = ±15V,增益 = +1,RL = 150Ω,RFB = 1kΩ |
VS = ±5V,增益 = +1,RL = 150Ω,RFB = 1kΩ, | ||
tRISE/FALL = 300ps |
VS = ±15V,增益 = +1,RL = 150Ω,RFB = 1kΩ, | ||
tRISE/FALL = 300ps |
VS = ±15V,增益 = +5,RL = 150Ω,RFB = 1kΩ, | ||
tRISE/FALL = 300ps |
VS = ±15V,增益 = -1,RL = 150Ω,RFB = 1kΩ, | ||
tRISE/FALL = 300ps |
VS = ±5V,增益 = –5,RL = 150Ω,RFB = 1kΩ,tRISE/FALL = 300ps |
VS = ±5V |
VS = ±15V |
VS = ±5V,增益 = +5, RL = 150Ω,RFB = 1kΩ, | ||
tRISE/FALL = 300ps |
VS = ±15V,增益 = +2,RL = 150Ω,RFB = 680Ω,fIN = 8MHz | ||
VS = ±15V,增益 = +2,RL = 150Ω,RFB = 680Ω,VOUT = 2VPP |
VS = ±15V,增益 = +1,RL = 150Ω,VIN = 200mVRMS |
VS = ±15V,增益 = +2,RL = 150Ω,VIN = 200mVRMS |
增益 = +1000,RL = 150Ω,RFB = 10kΩ,VOUT = 200mVRMS |
VS = ±5V,增益 = -1,RL = 150Ω,VIN = 200mVRMS |
VS = ±5V,增益 = +5,RL = 150Ω,VIN = 200mVRMS |
VS = ±15V,增益 = +2,RL = 150Ω,RFB = 680Ω |
VS = ±5V,增益 = +5,RL = 150Ω,RFB = 1kΩ, | ||
tRISE/FALL = 300ps |
VS = ±5V,增益 = +1,RL = 150Ω,RFB = 1kΩ, | ||
tRISE/FALL = 300ps |
VS = ±5V,增益 = +5,RL = 150Ω,RFB = 1kΩ, | ||
tRISE/FALL = 300ps |
VS = ±5V,增益 = -1,RL = 150Ω,RFB = 1kΩ, | ||
tRISE/FALL = 300ps |
VS = ±5V,增益 = –5,RL = 150Ω,RFB = 1kΩ,tRISE/FALL = 300ps |
THS3001 是一款采用电流反馈架构的高速运算放大器。该器件采用 30V 介质隔离互补双极性工艺构建而成,并采用具有数 GHz fT 的 NPN 和 PNP 晶体管。这种配置可实现具有宽带宽、高压摆率、快速稳定时间和低失真的超高性能放大器。图 6-1 展示了简化原理图。