Datasheet LTC2435, LTC2435-1 (Analog Devices) - 7
| 制造商 | Analog Devices |
| 描述 | 20-Bit No Latency ΔΣ™ ADCs with Differential Input and Differential Reference |
| 页数 / 页 | 42 / 7 — Typical perForMance characTerisTics. RMS Noise vs Input Differential. … |
| 文件格式/大小 | PDF / 655 Kb |
| 文件语言 | 英语 |
Typical perForMance characTerisTics. RMS Noise vs Input Differential. Voltage. RMS Noise vs VINCM
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LTC2435/LTC2435-1
Typical perForMance characTerisTics RMS Noise vs Input Differential Voltage RMS Noise vs VINCM RMS Noise vs Temperature (TA)
1.5 5.0 5.0 VCC = 5V FO = GND FO = GND 1.4 VREF = 5V 4.8 REF+ = 5V 4.8 VCC = 5V V REF– = GND VREF = 5V ) 1.3 INCM = 2.5V 4.6 F 4.6 O = GND TA = 25°C VIN = 0V REF 1.2 TA = 25°C 4.4 VCC = 5V 4.4 VINCM = GND V) VIN = 0V V) 1.1 μ 4.2 V μ INCM = GND 4.2 1.0 4.0 4.0 0.9 3.8 3.8 RMS NOISE ( RMS NOISE ( 0.8 3.6 3.6 RMS NOISE (ppm OF V 0.7 3.4 3.4 0.6 3.2 3.2 0.5 3.0 3.0 –2.5 –2 –1.5 –1 –0.5 0 0.5 1 1.5 2 2.5 –1 0 1 2 3 4 5 6 –50 –25 0 25 50 75 100 INPUT DIFFERENTIAL VOLTAGE (V) VINCM (V) TEMPERATURE (°C) 2435 G10 2435 G11 2435 G12
RMS Noise vs VCC = VREF RMS Noise vs VREF Offset Error vs VINCM
5.0 5.0 –320 FO = GND FO = GND 4.8 REF+ = VCC 4.8 REF– = GND –322 REF– = GND 4.6 TA = 25°C ) T 4.6 –324 A = 25°C VCC = 5V REF 4.4 VIN = 0V 4.4 VIN = 0V –326 V) V V) V μ INCM = GND INCM = GND 4.2 μ 4.2 –328 4.0 4.0 –330 3.8 3.8 –332 RMS NOISE ( RMS NOISE ( VCC = 5V 3.6 3.6 –334 REF+ = 5V 3.4 REF– = GND 3.4 OFFSET ERROR (ppm OF V –336 VIN = 0V 3.2 3.2 –338 FO = GND TA = 25°C 3.0 3.0 –340 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5 0 1 2 3 4 5 –1 0 1 2 3 4 5 6 VCC (V) VREF (V) VINCM (V) 2435 G13 2435 G14 2435 G15
Offset Error vs Temperature Offset Error vs VCC = VREF Offset Error vs VREF
–320 –320 –1.60 VCC = 5V REF+ = VCC –322 VREF = 5V –322 REF– = GND –1.61 ) –324 VIN = 0V ) –324 VIN = 0V –1.62 REF VINCM = GND REF VINCM = GND –326 FO = GND –326 FO = GND –1.63 T –328 A = 25°C –328 –1.64 –330 –330 –1.65 –332 –332 –1.66 FO = GND –334 –334 OFFSET ERROR (mV) –1.67 REF– = GND T OFFSET ERROR (ppm OF V –336 OFFSET ERROR (ppm OF V –336 –1.68 A = 25°C VCC = 5V –338 –338 –1.69 VIN = 0V VINCM = GND –340 –340 –1.70 –45 –30 –15 0 15 30 45 60 75 90 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5 0 1 2 3 4 5 TEMPERATURE (°C) VCC (V) VREF (V) 2435 G16 2435 G17 2435 G18 24351fc For more information www.linear.com/LTC2435 7 Document Outline Features Description Applications Typical Applications Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Converter Characteristics Analog Input And Reference Digital Inputs And Digital Outputs Power Requirements Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Test Circuits Applications Information Package Description Revision History Typical Application Related Parts
Typical perForMance characTerisTics RMS Noise vs Input Differential Voltage RMS Noise vs VINCM RMS Noise vs Temperature (TA)
1.5 5.0 5.0 VCC = 5V FO = GND FO = GND 1.4 VREF = 5V 4.8 REF+ = 5V 4.8 VCC = 5V V REF– = GND VREF = 5V ) 1.3 INCM = 2.5V 4.6 F 4.6 O = GND TA = 25°C VIN = 0V REF 1.2 TA = 25°C 4.4 VCC = 5V 4.4 VINCM = GND V) VIN = 0V V) 1.1 μ 4.2 V μ INCM = GND 4.2 1.0 4.0 4.0 0.9 3.8 3.8 RMS NOISE ( RMS NOISE ( 0.8 3.6 3.6 RMS NOISE (ppm OF V 0.7 3.4 3.4 0.6 3.2 3.2 0.5 3.0 3.0 –2.5 –2 –1.5 –1 –0.5 0 0.5 1 1.5 2 2.5 –1 0 1 2 3 4 5 6 –50 –25 0 25 50 75 100 INPUT DIFFERENTIAL VOLTAGE (V) VINCM (V) TEMPERATURE (°C) 2435 G10 2435 G11 2435 G12
RMS Noise vs VCC = VREF RMS Noise vs VREF Offset Error vs VINCM
5.0 5.0 –320 FO = GND FO = GND 4.8 REF+ = VCC 4.8 REF– = GND –322 REF– = GND 4.6 TA = 25°C ) T 4.6 –324 A = 25°C VCC = 5V REF 4.4 VIN = 0V 4.4 VIN = 0V –326 V) V V) V μ INCM = GND INCM = GND 4.2 μ 4.2 –328 4.0 4.0 –330 3.8 3.8 –332 RMS NOISE ( RMS NOISE ( VCC = 5V 3.6 3.6 –334 REF+ = 5V 3.4 REF– = GND 3.4 OFFSET ERROR (ppm OF V –336 VIN = 0V 3.2 3.2 –338 FO = GND TA = 25°C 3.0 3.0 –340 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5 0 1 2 3 4 5 –1 0 1 2 3 4 5 6 VCC (V) VREF (V) VINCM (V) 2435 G13 2435 G14 2435 G15
Offset Error vs Temperature Offset Error vs VCC = VREF Offset Error vs VREF
–320 –320 –1.60 VCC = 5V REF+ = VCC –322 VREF = 5V –322 REF– = GND –1.61 ) –324 VIN = 0V ) –324 VIN = 0V –1.62 REF VINCM = GND REF VINCM = GND –326 FO = GND –326 FO = GND –1.63 T –328 A = 25°C –328 –1.64 –330 –330 –1.65 –332 –332 –1.66 FO = GND –334 –334 OFFSET ERROR (mV) –1.67 REF– = GND T OFFSET ERROR (ppm OF V –336 OFFSET ERROR (ppm OF V –336 –1.68 A = 25°C VCC = 5V –338 –338 –1.69 VIN = 0V VINCM = GND –340 –340 –1.70 –45 –30 –15 0 15 30 45 60 75 90 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5 0 1 2 3 4 5 TEMPERATURE (°C) VCC (V) VREF (V) 2435 G16 2435 G17 2435 G18 24351fc For more information www.linear.com/LTC2435 7 Document Outline Features Description Applications Typical Applications Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Converter Characteristics Analog Input And Reference Digital Inputs And Digital Outputs Power Requirements Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Test Circuits Applications Information Package Description Revision History Typical Application Related Parts