Datasheet LTC1860L, LTC1861L (Analog Devices) - 5

FabricanteAnalog Devices
DescripciónµPower, 3V, 12-Bit, 150ksps 1- and 2-Channel ADCs in MSOP
Páginas / Página12 / 5 — TYPICAL PERFOR A CE CHARACTERISTICS. Reference Current vs. Sampling Rate. …
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TYPICAL PERFOR A CE CHARACTERISTICS. Reference Current vs. Sampling Rate. Temperature. Reference Voltage. Analog Input Leakage vs

TYPICAL PERFOR A CE CHARACTERISTICS Reference Current vs Sampling Rate Temperature Reference Voltage Analog Input Leakage vs

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LTC1860L/LTC1861L
W U TYPICAL PERFOR A CE CHARACTERISTICS Reference Current vs Reference Current vs Reference Current vs Sampling Rate Temperature Reference Voltage
10 25 25 CONV LOW = 1.5µs fS = 150kHz fS = 150kHz 9 T V A = 25°C CC = 2.7V TA = 25°C V V V 8 CC = 2.7V 20 REF = 2.5V 20 CC = 3.6V µA) VREF = 2.5V µA) µA) 7 6 15 15 5 4 10 10 3 REFERENCE CURRENT ( REFERENCE CURRENT ( 2 5 REFERENCE CURRENT ( 5 1 0 0 0 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 SAMPLING FREQUENCY (kHz) TEMPERATURE (°C) REFERENCE VOLTAGE (V) 1860L/61L G04 1860L/61L G05 1860L/61L G06
Analog Input Leakage vs Typical INL Curve Typical DNL Curve Temperature
1.0 1.0 100 f f CONV = 0V S = 150kHz S = 150kHz T T V A = 25°C A = 25°C CC = 2.7V V V V CC = 2.7V CC = 2.7V REF = 2.5V 0.5 VREF = 2.5V 0.5 VREF = 2.5V 75 0 0 50 INL ERROR (LSBs) DNL ERROR (LSBs) –0.5 –0.5 25 ANALOG INPUT LEAKAGE (nA) 0 –1.0 –1.0 0 512 1024 1536 2048 2560 3072 3584 4096 0 512 1024 1536 2048 2560 3072 3584 4096 –50 –25 0 25 50 75 100 125 CODE CODE TEMPERATURE (°C) 1860L/61L G07 1860L/61L G08 1860L/61L G09
Change in Offset vs Change in Gain Error vs Reference Voltage Change in Offset vs Temperature Reference Voltage
2 1.0 2 fS = 150kHz fS = 150kHz fS = 150kHz T 0.8 A = 25°C VCC = 2.7V TA = 25°C VCC = 3.6V VREF = 2.5V V 0.6 CC = 3.6V 1 1 0.4 0.2 0 0 0 –0.2 –0.4 CHANGE IN OFFSET (LSB) –1 CHANGE IN OFFSET (LSB) –1 –0.6 GHANGE IN GAIN ERROR (LSB) –0.8 –2 –1.0 –2 0 1 2 3 4 –50 –25 0 25 50 75 100 125 0 1 2 3 4 REFERENCE VOLTAGE (V) TEMPERATURE (°C) REFERENCE VOLTAGE (V) 1860L/61L G10 1860L/61L G11 1860L/61L G12 18601Lf 5