ZHCSJC8I February 2019 – August 2021 OPA2990 , OPA4990 , OPA990
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– | ±0.3 | ±1.5 | mV | ||
TA = –40°C 至 125°C | ±1.75 | ||||||
dVOS/dT | 输入失调电压漂移 | TA = –40°C 至 125°C | ±0.6 | µV/℃ | |||
PSRR | 输入失调电压与电源间的关系 | VCM = V–,VS = 4V 至 40V | TA = –40°C 至 125°C | ±0.1 | ±1.3 | µV/V | |
VCM = V–,VS = 2.7V 至 40V(2) | ±0.75 | ±6.6 | |||||
通道隔离 | f = 0Hz | 5 | µV/V | ||||
输入偏置电流 | |||||||
IB | 输入偏置电流 | ±10 | pA | ||||
IOS | 输入失调电流 | ±5 | pA | ||||
噪声 | |||||||
EN | 输入电压噪声 | f = 0.1Hz 至 10Hz | 6 | µVPP | |||
1 | µVRMS | ||||||
eN | 输入电压噪声密度 | f = 1kHz | 30 | nV/√Hz | |||
f = 10kHz | 28 | ||||||
iN | 输入电流噪声 | f = 1kHz | 2 | fA/√Hz | |||
输入电压范围 | |||||||
VCM | 共模电压范围 | (V-)-0.2 | (V+)+0.2 | V | |||
CMRR | 共模抑制比 | VS = 40V,(V–) – 0.1V < VCM < (V+) – 2V(PMOS 对) | TA = –40°C 至 125°C | 100 | 115 | dB | |
VS = 4V,(V–) – 0.1V < VCM < (V+) – 2V(PMOS 对) | 75 | 90 | |||||
VS = 2.7V,(V–) – 0.1V < VCM < (V+) – 2V(PMOS 对)(2) | 70 | 90 | |||||
VS = 2.7 – 40V,(V+) – 1V < VCM < (V+) + 0.1V(NMOS 对) | 80 | ||||||
(V+) – 2V < VCM < (V+) – 1V | 请参阅典型特性部分中的失调电压(转换区域) | ||||||
输入电容 | |||||||
ZID | 差分 | 540 || 3 | GΩ || pF | ||||
ZICM | 共模 | 6 || 1 | TΩ || pF | ||||
开环增益 | |||||||
AOL | 开环电压增益 | VS = 40V,VCM = VS /2, (V–) + 0.1V < VO < (V+) – 0.1V |
120 | 145 | dB | ||
TA = –40°C 至 125°C | 142 | ||||||
VS = 4V,VCM = VS /2, (V–) + 0.1V < VO < (V+) – 0.1V |
104 | 130 | |||||
TA = –40°C 至 125°C | 125 | ||||||
VS = 2.7V,VCM = VS /2, (V–) + 0.1V < VO < (V+) – 0.1V(2) |
101 | 118 | dB | ||||
TA = –40°C 至 125°C | 117 | dB | |||||
频率响应 | |||||||
GBW | 增益带宽积 | 1.1 | MHz | ||||
SR | 压摆率 | VS = 40V,G = +1,CL = 20pF | 4.5 | V/μs | |||
tS | 建立时间 | 精度达到 0.1%,VS = 40V,VSTEP = 10V,G = +1,CL = 20pF | 4 | µs | |||
精度达到 0.1%,VS = 40V,VSTEP = 2V,G = +1,CL = 20pF | 2 | ||||||
精度达到 0.01%,VS = 40V,VSTEP = 10V,G = +1,CL = 20pF | 5 | ||||||
精度达到 0.01%,VS = 40V,VSTEP = 2V,G = +1,CL = 20pF | 3 | ||||||
相位裕度 | G = +1,RL = 10kΩ,CL = 20pF | 60 | ° | ||||
过载恢复时间 | VIN × 增益 > VS | 600 | ns | ||||
THD+N | 总谐波失真 + 噪声 | VS = 40V,VO = 1 VRMS,G = 1,f = 1kHz | 0.00162% | ||||
输出 | |||||||
相对于电源轨的电压输出摆幅 | 正负 电源轨余量 |
VS = 40V,RL = 空载 | 2 | mV | |||
VS = 40V,RL = 10kΩ | 45 | 60 | |||||
VS = 40V,RL = 2kΩ | 200 | 300 | |||||
VS = 2.7V,RL = 空载 | 1 | ||||||
VS = 2.7V,RL = 10kΩ | 5 | 20 | |||||
VS = 2.7V,RL = 2kΩ | 25 | 50 | |||||
ISC | 短路电流 | ±80 | mA | ||||
CLOAD | 容性负载驱动 | 请参阅典型特性 部分中的小信号过冲与容性负载间的关系 | |||||
ZO | 开环输出阻抗 | f=1MHz,IO = 0A | 575 | Ω | |||
电源 | |||||||
IQ | 每个放大器的静态电流 | OPA2990、OPA4990,IO = 0A | 120 | 150 | µA | ||
TA = –40°C 至 125°C | 160 | ||||||
OPA990,IO = 0A | 130 | 170 | |||||
TA = –40°C 至 125°C | 175 | ||||||
导通时间 | TA = 25°C,VS = 40V,VS 斜升速率 > 0.3V/µs |
40 | μs | ||||
关断 | |||||||
IQSD | 每个放大器的静态电流 | VS = 2.7V 至 40 V,所有放大器都被禁用,SHDN = V– + 2V | 20 | 30 | µA | ||
ZSHDN | 关断时的输出阻抗 | VS = 2.7V 至 40V,放大器被禁用,SHDN = V– + 2V | 10 || 12 | GΩ || pF | |||
VIH | 逻辑高电平阈值电压(放大器被禁用) | 对于有效输入高电平,SHDN 引脚电压应大于最大阈值,但小于或等于 (V–) + 20V | (V–) + 0.8 | (V–) + 1.1 | V | ||
VIL | 逻辑低电平阈值电压(放大器被启用) | 对于有效输入低电平,SHDN 引脚电压应该小于最小阈值,但大于或等于 V– | (V–) + 0.2 | (V–) + 0.8 | V | ||
tON | 放大器启用时间 (1) | G = +1,VCM = V–,VO = 0.1 × VS /2 | 11 | µs | |||
tOFF | 放大器禁用时间(1) | VCM = V–,VO = VS /2 | 2.5 | µs | |||
SHDN 引脚输入偏置电流(每个引脚) | VS = 2.7V 至 40V,(V–) + 20V ≥ SHDN ≥ (V–) + 0.9V | 500 | nA | ||||
VS = 2.7V 至 40 V,(V–) ≤ SHDN ≤ (V–) + 0.7V | 150 |