Datasheet LTC2355-12, LTC2355-14 (Analog Devices) - 7

LTC2355-12/LTC2355-14
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 3.3V (LTC2355-14) Differential and Integral Linearity SINAD vs Conversion Rate, Input vs Conversion Rate Frequency = 1.4MHz
4 75 3 74 2 MAX INL 1 MAX DNL 73 Y (LSB) 0 –1 MIN INL SINAD (dB) 72 LINEARIT MIN DNL –2 71 –3 –4 70 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6 3.8 4.0 2 2.2 2.4 2.6 2.8 3 3.2 3.4 3.6 3.8 4 CONVERSION RATE (Msps) CONVERSION RATE (Msps) 2355 G09 2355 G10
TA = 25°C, VDD = 3.3V (LTC2355-12 and LTC2355-14) 2.5VP-P Power Bandwidth CMRR vs Frequency PSRR vs Frequency
12 0 –25 6 –30 –20 0 –35 –40 –40 –6 –45 –12 –60 –50 –18 CMRR (dB) PSRR (dB) AMPLITUDE (dB) –80 –55 –24 –60 –100 –30 –65 –36 –120 –70 1M 10M 100M 1G 100 1k 10k 100k 1M 10M 100M 1 10 100 1k 10k 100k 1M FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (Hz) 2355 G11 2355 G12 2355 G13
Internal Reference Voltage vs Internal Reference Voltage VDD Supply Current vs Load Current vs VDD Conversion Rate
2.4902 2.4902 6 5.5 2.4900 2.4900 5 4.5 2.4898 2.4898 4 3.5 (V) 2.4896 (V) 2.4896 3 V REF V REF Y CURRENT (mA) 2.5 2.4894 2.4894 SUPPL 2 1.5 V DD 2.4892 2.4892 1 0.5 2.4890 2.4890 0 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.6 2.8 3.0 3.2 3.4 3.6 0 0.5 1 1.5 2 2.5 3 3.5 4 LOAD CURRENT (mA) VDD (V) CONVERSION RATE (Mps) 2355 G14 2355 G15 2355 G16 2355fb For more information www.linear.com/LTC2355-12 7 Document Outline Features Description Applications Block Diagram Absolute Maximum Ratings Pin Configuration Order Information Converter Characteristics Analog Input Dynamic Accuracy Internal Reference Characteristics Digital Inputs and Digital Outputs Power Requirements Timing Characteristics Typical Performance Characteristics Pin Functions Block Diagram Timing Diagram Applications Information Package Description Revision History Typical Application Related Parts