ZHCSTX8 November 2023 OPA2994-Q1
ADVANCE INFORMATION
参数 | 测试条件 | 最小值 | 典型值 | 最大值 | 单位 | ||
---|---|---|---|---|---|---|---|
失调电压 | |||||||
VOS | 输入失调电压 | VCM = V– | ±0.2 | ±1 | mV | ||
TA = –40°C 至 125°C | ±1.2 | ||||||
dVOS/dT | 输入失调电压漂移 | VCM = V– | TA = –40°C 至 125°C | ±0.17 | µV/℃ | ||
PSRR | 输入失调电压与电源间的关系 | VCM = V–,VS = 5V 至 24V | TA = –40°C 至 125°C | ±3.5 | ±22 | μV/V | |
PSRR | 输入失调电压与电源间的关系 | VCM = V–,VS = 2.7V 至 24V | TA = –40°C 至 125°C | ±60(1) | μV/V | ||
直流通道隔离 | 1 | µV/V | |||||
输入偏置电流 | |||||||
IB | 输入偏置电流 | ±400 | ±1500 | nA | |||
IOS | 输入失调电流 | ±2 | nA | ||||
噪声 | |||||||
EN | 输入电压噪声 | f = 0.1Hz 至 10Hz | 1.8 | μVPP | |||
0.3 | µVRMS | ||||||
eN | 输入电压噪声密度 | f = 1kHz | 12 | nV/√Hz | |||
f = 10kHz | 11 | ||||||
iN | 输入电流噪声密度 | f = 1kHz | 1 | pA/√Hz | |||
输入电压范围 | |||||||
VCM | 共模输入电压范围 | (V-) – 0.1 | (V+) + 0.1 | V | |||
VDiff | 差分输入电压范围 | ±0.5 | V | ||||
CMRR | 共模抑制比 | VS = 24V,V– < VCM < (V+) – 2V(主输入对) | TA = –40°C 至 125°C | 115 | 135 | dB | |
VS = 5V,V– < VCM < (V+) – 2V(主输入对)(1) | 105 | 120 | |||||
VS = 2.7V,V– < VCM < (V+) – 2V(主输入对) | 100 | ||||||
VS = 2.7 – 24V,(V+) – 1V < VCM < V+(辅助输入对) | 95 | ||||||
(V+) – 2V < VCM < (V+) – 1V | TA = –40°C 至 125°C | 请参阅 | |||||
输入阻抗 | |||||||
ZID | 差分 | 10 || 3 | MΩ || pF | ||||
ZICM | 共模 | 1 || 1 | TΩ || pF | ||||
开环增益 | |||||||
AOL | 开环电压增益 | VS = 24V,VCM = VS/2, (V–) + 1V < VO < (V+) – 1V | 80 | 87 | dB | ||
TA = –40°C 至 125°C | 87 | ||||||
VS = 5V,VCM = VS/2, (V–) + 1 V < VO < (V+) – 1 V(1) | 75 | 80 | |||||
TA = –40°C 至 125°C | 80 | ||||||
VS = 2.7V,VCM = VS/2, (V–) + 1 V < VO < (V+) – 1 V(1) | 75 | 80 | |||||
TA = –40°C 至 125°C | 80 | ||||||
频率响应 | |||||||
GBW | 增益带宽积 | 25 | MHz | ||||
SR | 压摆率 | VS = 24V,VSTEP = 10V,G = +1,CL = 20pF(6) | 18 | V/μs | |||
tS | 趋稳时间 | 精度达到 0.1%,VS = 24V,VSTEP = 10V,G = +1,CL = 50pF | 0.15 | µs | |||
精度达到 0.1%,VS = 24V,VSTEP = 10V,G = +1,CL = 500pF | 0.5 | ||||||
精度达到 0.01%,VS = 24V,VSTEP = 10V,G = +1,CL = 50pF | 0.65 | ||||||
精度达到 0.01%,VS = 24V,VSTEP = 10V,G = +1,CL = 500pF | 1 | ||||||
相位裕度 | G = +1,RL = 10kΩ,CL = 20pF | 55 | ° | ||||
过载恢复时间 | VIN × 增益 > VS | 200 | ns | ||||
THD+N | 总谐波失真 + 噪声 | VS = 24V,VO = 3 VRMS,G = 1,f = 1kHz,RL = 10kΩ | 0.0001% | ||||
120 | dB | ||||||
VS = 10V,VO = 3VRMS,G = 1,f = 1kHz,RL = 128Ω | 0.001% | ||||||
100 | dB | ||||||
VS = 10V,VO = 0.4VRMS,G = 1,f = 1kHz,RL = 32Ω | 0.00032% | ||||||
110 | dB | ||||||
输出 | |||||||
相对于电源轨的电压输出摆幅 | 正负 电源轨余量 | VS = 24V,RL = 空载 | 35 | mV | |||
VS = 24V,RL = 10kΩ | 45 | 55 | |||||
VS = 24V,RL = 2kΩ | 60 | 70 | |||||
VS = 5V,RL = 空载 | 35 | ||||||
VS = 5V,RL = 10kΩ | 40 | 45 | |||||
VS = 5V,RL = 2kΩ | 45 | 50 | |||||
VS = 2.7V,RL = 空载 | 30 | ||||||
VS = 2.7V,RL = 10kΩ | 35 | 40 | |||||
VS = 2.7V,RL = 2kΩ | 40 | 50 | |||||
ISC | 短路电流 | VS = 24 V | ±62 | ±150 | mA | ||
VS = 5V(1) | ±50 | ±100 | |||||
VS = 2.7V(1) | ±45 | ±65 | |||||
CLOAD | 容性负载驱动 | 无限;请参阅 | pF | ||||
ZO | 开环输出阻抗 | IO = 0A | 请参阅 | Ω | |||
电源 | |||||||
IQ | 每个放大器的静态电流 | IO = 0A | 1.25 | 1.7 | mA | ||
IQ | 每个放大器的静态电流 | TA = –40°C 至 125°C | 2.1 | mA |