JAJSP39A May 2022 – December 2022 ADS1285
PRODUCTION DATA
デバイスごとのパッケージ図は、PDF版データシートをご参照ください。
MIN | NOM | MAX | UNIT | |||
---|---|---|---|---|---|---|
POWER SUPPLY | ||||||
Analog power supplies | AVDD1 to AVSS | 3 | 5.25 | V | ||
AVDD1 to AGND | 2.375 | V | ||||
AVSS to AGND | –2.625 | 0 | ||||
AVDD2 to AGND | 2.375 | 5.25 | ||||
AVDD2 to AVSS | 5.25 | |||||
Digital power supply | IOVDD to DGND | 2.7 | 3.6 | V | ||
IOVDD connected to CAPD | 1.65 | 1.95 | ||||
ANALOG INPUTS | ||||||
VIN | Differential input voltage VIN = VAINP – VAINN |
Reference voltage = 5 V | ±VREF / (2 × Gain) | V | ||
Reference voltage = 4.096 V | ±VREF / (1.6384 × Gain) | |||||
Reference voltage = 2.5 V | ±VREF / Gain | |||||
Absolute input voltage | Buffer operation | AVSS + 0.1 | AVDD1 – 0.1 | V | ||
PGA operation | AVSS + 1.1 | AVDD1 – 0.85 | ||||
Absolute output voltage | Buffer operation | AVSS + 0.1 | AVDD1 – 0.1 | V | ||
PGA operation | AVSS + 0.15 | AVDD1 – 0.15 | ||||
Calibration range (1) | 6% | FSR | ||||
VOLTAGE REFERENCE INPUT | ||||||
VREFN | Negative reference input | AVSS – 0.05 | V | |||
VREFP | Positive reference input | AVDD1 + 0.1 | V | |||
VREF | VREF = VREFP – VREFN | Reference voltage = 5 V | 4.9 | 5 | AVDD1 – AVSS + 0.1 | V |
Reference voltage = 4.096 V | 4.0 | 4.096 | 4.2 | V | ||
Reference voltage = 2.5 V | 2.4 | 2.5 | 2.6 | V | ||
DIGITAL INPUTS | ||||||
VINL | Low-level input voltage | 0.2 × IOVDD | V | |||
VINH | High-level input voltage | 0.8 × IOVDD | V | |||
fCLK | Clock input frequency | High-power mode | 6 | 8.192 | 8.3 | MHz |
Mid-power mode | 6 | 8.192 | 8.3 | |||
Low-power mode | 3 | 4.096 | 4.15 | |||
TEMPERATURE | ||||||
TA | Ambient temperature | Operational | –50 | 85 | °C | |
Specification | –40 | 85 |