引脚定义与内部结构
| 引脚 | 符号 | 名称 |
|---|---|---|
| 2 | V | |
| 3 | V | |
| 6 | V | |
| 7 | V | |
| 8 | V |
数据来源：原厂规格书引脚图
产品特点 Features
- (1) Gain accuracy: ±0.5 % (Gain rank B)
- (2) Gain drift: 0.00012 V/V/ (typ.)
- (3) Nonlinearity (V = ±200 mV): 0.02 % (typ.)
- (4) Input offset voltage: 0.9 mV (typ.)
- (5) V bandwidth (-3 dB): 230 kHz (typ.)
- (6) Operating temperature range: -40 to 105
- (7) Common-mode transient immunity: 15 kV/µs (min)
- TLP7820
- 7. Absolute Maximum Ratings (Note) (Unless otherwise specified, T = 25 ) aaaa
- Characteristics Symbol Note Rating Unit
- Supply voltages V , V -0.5 to 6 V
- DD1 DD2
- Steady-state input voltages V , V -0.5 to V + 0.5 V
- IN+ IN- DD1
- Two-second transient input voltages V , V -6 to V + 0.5 V
- Input power dissipation P 72 mW
安全与绝缘额定值（DIN EN/IEC 60747−5−5）
| 特性 | 符号 | 备注 | 测试条件 | 最小 | 典型 | 最大 | 单位 |
|---|---|---|---|---|---|---|---|
| Total capacitance (input to | output) C | (Note 1) V | = 0 V, f = 1 MHz | | 1.0 | | pF |
| Isolation resistance | R | (Note 1) V | = 500 V, R.H. ≤ 60 % | 1012 | 1014 | | Ω |
| Isolation voltage | BV | (Note 1) AC, | 60 s | 5000 | | | Vrms |
电气特性 Electrical Characteristics（TA = 25°C）
| 特性 | 符号 | 备注 | 测试条件 | 最小 | 典型 | 最大 | 单位 |
|---|---|---|---|---|---|---|---|
| DDDDDDDD1111 | DDDDDDDD2222 | IIIINNNN++++ | IIIINNNN---- | ||||
| Input offset voltage | V | T | = 25 | -0.6 | 0.9 | 2.4 | mV |
| Input offset voltage drift vs ambient | |dV /dT | | | 2 | 6 | µV/ | ||
| Input offset voltage drift vs input | side |dV /dV | | | 120 | | µV/V | ||
| Gain (Rank B) | G | (Note 1) T | = 25 | 8.16 | 8.2 | 8.24 | V/V |
| Gain (Rank A) | G | (Note 1) T | = 25 | 8.12 | 8.2 | 8.28 | |
| Gain (None) | G | (Note 1) T | = 25 | 7.95 | 8.2 | 8.44 | |
| Gain drift vs ambient temperature | |dG/dT | | | 0.00012 | | V/V/ | ||
| V non-linearity (±200 mV) | NL | (Note 2) V | = -200 to 200 mV, | | 0.02 | 0.13 | % |
| V non-linearity (±200 mV) drift | vs |dNL /dT | | | 0.00007 | | %/ | ||
| V non-linearity (±100 mV) | NL | (Note 2) V | = -100 to 100 mV, | | 0.015 | 0.06 | % |
| High-level output voltage | V | V | = 400 mV, T = 25 | | 2.497 | | V |
| Low-level output voltage | V | V | = -400 mV, T = 25 | | 0.0009 | | V |
| Input common-mode rejection | ratio CMRR | | 80 | | dB | ||
| Equivalent input resistance | R | | 80 | | kΩ | ||
| Input bias current | I | V | = 0 V, T = 25 | -1 | -0.055 | | µA |
| Input side supply current (V ) | I | V | = 0 V | | 8.6 | 12 | mA |
| Output side supply current (V | ) I | V | = 0 V | | 6.2 | 10 | mA |
| V output resistance | R | V | or V | | 21 | | Ω |
| OUT | OUT | OUT+ OUT- | |||||
| None (±3 %) | Blank, A, B | 7.95 | 8.2 8.44 V/V | ||||
| Rank A (±1 %) | A, B | 8.12 | 8.2 8.28 | ||||
| Rank B (±0.5 %) | B | 8.16 | 8.2 8.24 | ||||
| of least squares | between differential | input voltage | (V - V ) | and |