Отправлено De_User 20 августа 2005 г. 09:58 В ответ на: на фикисрованные напряжения есть ADR520, ADR550 (5В) и т.д. отправлено <font color=gray>De_User</font> 20 августа 2005 г. 09:56

FEATURES
Ultracompact SC70 and SOT-23 packages
Temperature coefficient: 40 ppm/°C (max)
2Ч the tempco improvement over the LM4040
Pin compatible with LM4040/LM4050
Initial accuracy: ±0.2%
Low output voltage noise: 14 µV p-p @ 2.5 V output
No external capacitor required
Operating current range: 50 µA to 10 mA
Industrial temperature range: −40°C to +85°C

Table 1. Selection Guide
Part
Voltage
(V)
Initial
Accuracy (%)
Temperature
Coeffecient
(ppm/°C)
ADR520A 2.048 ±0.4 70
ADR520B 2.048 ±0.2 40
ADR525A 2.5 ±0.4 70
ADR525B 2.5 ±0.2 40
ADR530A 3.0 ±0.4 70
ADR530B 3.0 ±0.2 40
ADR540A 4.096 ±0.4 70
ADR540B 4.096 ±0.2 40
ADR550A 5.0 ±0.4 70
ADR550B 5.0 ±0.2 40