ZHCSTX8B November 2023 – October 2024 OPA2994-Q1 , OPA994-Q1
PRODUCTION DATA
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– | ±0.35 | ±2.3 | mV | ||
TA = -40°C 至 125°C | ±3.3 | ||||||
dVOS/dT | 输入失调电压温漂 | VCM = V– | TA = -40°C 至 125°C | ±2.5 | µV/℃ | ||
PSRR | 输入失调电压与电源间的关系 | VCM = V–,VS = 5V 至 32V | TA = -40°C 至 125°C | ±3.5 | ±22 | μV/V | |
VCM = V–,VS = 2.7V 至 32V | 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 | ±7 | 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 | |||
CMRR | 共模抑制比 | VS = 32V,V– < VCM < (V+) – 2V (主输入对) |
TA = -40°C 至 125°C | 109 | 125 | dB | |
VS = 5V,V– < VCM < (V+) – 2V (主输入对)(1) |
TA = -40°C 至 125°C | 93 | 111 | ||||
VS = 2.7V,V– < VCM < (V+) – 2V (主输入对) |
TA = -40°C 至 125°C | 114 | |||||
VS = 2.7 – 32V,(V+) – 1V < VCM < V+ (辅助输入对) |
TA = -40°C 至 125°C | 77 | |||||
(V+) – 2V < VCM < (V+) – 1V | TA = -40°C 至 125°C | 请参阅失调电压与共模电压间的关系(转换区域) | |||||
输入阻抗 | |||||||
ZID | 差分 | 0.2 || 1 | MΩ || pF | ||||
ZICM | 共模 | 2 || 0.5 | GΩ || pF | ||||
开环增益 | |||||||
AOL | 开环电压增益 | VS = 32V,VCM = VS/2, (V–) + 1V < VO < (V+) – 1V |
80 | 87 | dB | ||
TA = -40°C 至 125°C | 87 | ||||||
VS = 5V,VCM = VS / 2, (V–) + 1V < VO < (V+) – 1V(1) |
75 | 80 | |||||
TA = -40°C 至 125°C | 80 | ||||||
VS = 2.7V,VCM = VS / 2, (V–) + 1V < VO < (V+) – 1V(1) |
75 | 80 | |||||
TA = -40°C 至 125°C | 80 | ||||||
频率响应 | |||||||
GBW | 增益带宽积 | 24 | MHz | ||||
SR | 压摆率 | VS = 32V,VSTEP = 10V,G = +1,CL = 20pF | 35 | V/μs | |||
tS | 稳定时间 | 精度达到 0.1%,VS = 32V,VSTEP = 10V,G = +1,CL = 50pF | 0.43 | µs | |||
精度达到 0.1%,VS = 32V,VSTEP = 10V,G = +1,CL = 500pF | 0.45 | ||||||
精度达到 0.01%,VS = 32V,VSTEP = 10V,G = +1,CL = 50pF | 0.77 | ||||||
精度达到 0.01%,VS = 32V,VSTEP = 10V,G = +1,CL = 500pF | 0.85 | ||||||
相位裕度 | G = +1,RL = 10kΩ,CL = 20pF | 50 | ° | ||||
过载恢复时间 | VIN × 增益 > VS | 130 | ns | ||||
THD+N | 总谐波失真 + 噪声 | VS = 32V,VO = 3VRMS,G = 1,f = 1kHz,RL = 10kΩ | 0.00022 | % | |||
113 | dB | ||||||
输出 | |||||||
相对于电源轨的电压输出摆幅 | 正负电源轨余量 | VS = 32V,RL = 空载 | 20 | mV | |||
VS = 32V,RL = 10kΩ | 58 | 68 | |||||
VS = 32V,RL = 2kΩ | 117 | 137 | |||||
VS = 5V,RL = 空载 | 30 | ||||||
VS = 5V,RL = 10kΩ | 45 | 52 | |||||
VS = 5V,RL = 2kΩ | 25 | 60 | |||||
VS = 2.7V,RL = 空载 | 25 | ||||||
VS = 2.7V,RL = 10kΩ | 42 | 48 | |||||
VS = 2.7V,RL = 2kΩ | 45 | 54 | |||||
ISC | 短路电流 | VS = 32V | ±62 | ±125 | mA | ||
VS = 5V(1) | ±50 | ±85 | |||||
VS = 2.7V(1) | ±30 | ±60 | |||||
CLOAD | 容性负载驱动 | 无限;请参阅相位裕度与容性负载间的关系 | pF | ||||
ZO | 开环输出阻抗 | IO = 0A | 请参阅开环输出阻抗与频率间的关系 | Ω | |||
电源 | |||||||
IQ | 每个放大器的静态电流 | VCM = V-,IO = 0A | 1.35 | 1.93 | mA | ||
TA = -40°C 至 125°C | 2.23 | mA |