Datasheet MAX31856 (Analog Devices) - 7

MAX31856 Precision Thermocouple to Digital Converter with Linearization
Typical Operating Characteristics
(VCC = 3.3V and TA = +25°C, unless otherwise noted.)
ACTIVE SUPPLY CURRENT STANDBY SUPPLY CURRENT THERMOCOUPLE INPUT BIAS CURRENT vs. TEMPERATURE vs. TEMPERATURE vs. TEMPERATURE
1.5 toc01 10 toc02 250 toc03 1.45 VDD = 3.0V, 3.3V, 3.6V V 9 200 1.4 DD = 3.6V ) A) 1.35 V (mA DD = 3.6V (μA) 8 (n 150 NT 1.3 NT NT 1.25 7 V 100 DD = 3.3V IVE CURRE 1.2 Y CURRE IAS CURRE B ACT V 6 50 1.15 DD = 3.3V UT STANDB 1.1 INP 5 0 1.05 VDD = 3.0V VDD = 3.0V 1 4 -50 -55 -35 -15 5 25 45 65 85 105 125 -55 -35 -15 5 25 45 65 85 105 125 -55 -35 -15 5 25 45 65 85 105 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C)
THERMOCOUPLE INPUT THERMOCOUPLE INPUT DIFFERENTIAL BIAS CURRENT DIFFERENTIAL BIAS CURRENT vs. TEMPERATURE vs. TEMPERATURE
5 toc04 5 toc05 Differential Input Voltage = 0V Differential Input Voltage = 0.1V 4 4 VDD = 3.0V A) A) (n VDD = 3.0V, 3.3V, 3.6V (n NT NT 3 3 VDD = 3.3V V 2 2 DD = 3.6V IAS CURRE IAS CURRE IAL B IAL B 1 NT 1 NT FFERE 0 FFERE 0 DI DI -1 -1 -55 -35 -15 5 25 45 65 85 105 125 -55 -35 -15 5 25 45 65 85 105 125 TEMPERATURE (°C) TEMPERATURE (°C)
AV = 8 FULL-SCALE ERROR AV = 32 FULL-SCALE ERROR vs. TEMPERATURE vs. TEMPERATURE
0.15 toc06 0.15 toc07 0.1 VDD = 3.0V 0.1 ) VDD = 3.0V (% VDD = 3.3V 0.05 (% R 0.05 R RRO RRO 0 0 LE E LE E L-SCA -0.05 V L-SCA -0.05 V DD = 3.6V DD = 3.3V FUL FUL VDD = 3.6V -0.1 -0.1 -0.15 -0.15 -55 -35 -15 5 25 45 65 85 105 125 -55 -35 -15 5 25 45 65 85 105 125 TEMPERATURE (°C) TEMPERATURE (°C) www.maximintegrated.com Maxim Integrated │ 7