Datasheet LTC1401 (Analog Devices) - 5
| 制造商 | Analog Devices |
| 描述 | Complete SO-8, 12-Bit, 200ksps ADC with Shutdown |
| 页数 / 页 | 20 / 5 — TYPICAL PERFORMANCE CHARACTERISTICS. Differential Nonlinearity vs. … |
| 文件格式/大小 | PDF / 254 Kb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. Differential Nonlinearity vs. Integral Nonlinearity vs. S/(N + D) vs Input Frequency
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LTC1401
W U TYPICAL PERFORMANCE CHARACTERISTICS Differential Nonlinearity vs Integral Nonlinearity vs S/(N + D) vs Input Frequency Output Code Output Code and Amplitude
1.0 1.0 80 fSAMPLE = 200kHz f T SAMPLE = 200kHz V A = 25°C IN = 0dB 70 fSAMPLE = 200kHz 0.5 0.5 60 VIN = –20dB 50 0 0 40 30 DNL ERROR (LSBs) INL ERROR (LSBs) –0.5 –0.5 20 VIN = –60dB SIGNAL/(NOISE + DISTORTION)(dB) 10 –1.0 –1.0 0 0 512 1024 1536 2048 2560 3072 3584 4096 0 512 1024 1536 2048 2560 3072 3584 4096 10 100 1000 CODE CODE INPUT FREQUENCY (kHz) LTC1401 • TPC01 LTC1401 • TPC02 LTC1401 • TPC03
Signal-to-Noise Ratio (Without Peak Harmonic or Spurious Noise Acquisition Time vs Harmonics) vs Input Frequency vs Input Frequency Source Impedance
80 0 4500 T T A = 25°C A = 25°C 70 –10 4000 fSAMPLE = 200kHz –20 3500 60 –30 3000 50 –40 2500 40 (ns) –50 t ACQ 2000 30 –60 1500 20 –70 1000 SIGNAL-TO-NOISE RATIO (dB) 10 TA = 25°C –80 500 f SPURIOUS-FREE DYNAMIC RANGE (dB) SAMPLE = 200kHz 0 –90 0 10 100 1000 10 100 1000 10 100 1k 10k INPUT FREQUENCY (kHz) INPUT FREQUENCY (kHz) SOURCE RESISTANCE (Ω) LTC1401 • TPC04 LTC1401 • TPC05 LTC1401 • TPC06
Reference Voltage vs Power Supply Feedthrough vs Load Current Ripple Frequency Supply Current vs Temperature
1.40 0 12 T f 1.35 A = 25°C SAMPLE = 200kHz fSAMPLE = 200kHz –10 fIN = 49.853kHz 1.30 10 –20 VCC (VRIPPLE = 1mV) VIN = 3.6V 1.25 –30 8 1.20 –40 1.15 –50 6 VIN = 3V 1.10 –60 1.05 4 –70 V REFERENCE VOLTAGE (V) SUPPLY CURRENT (mA) IN = 2.7V 1.00 –80 2 0.95 POWER SUPPLY FEEDTHROUGH (dB) –90 0.90 –100 0 –7 –6 –5 –4 –3 –2 –1 0 1 2 1 10 100 1000 –50 –25 0 25 50 75 100 125 LOAD CURRENT (mA) RIPPLE FREQUENCY (kHz) TEMPERATURE (˚C) LTC1401 • TPC07 LTC1401 • TPC08 LTC1401 • TPC09 1401fa 5
W U TYPICAL PERFORMANCE CHARACTERISTICS Differential Nonlinearity vs Integral Nonlinearity vs S/(N + D) vs Input Frequency Output Code Output Code and Amplitude
1.0 1.0 80 fSAMPLE = 200kHz f T SAMPLE = 200kHz V A = 25°C IN = 0dB 70 fSAMPLE = 200kHz 0.5 0.5 60 VIN = –20dB 50 0 0 40 30 DNL ERROR (LSBs) INL ERROR (LSBs) –0.5 –0.5 20 VIN = –60dB SIGNAL/(NOISE + DISTORTION)(dB) 10 –1.0 –1.0 0 0 512 1024 1536 2048 2560 3072 3584 4096 0 512 1024 1536 2048 2560 3072 3584 4096 10 100 1000 CODE CODE INPUT FREQUENCY (kHz) LTC1401 • TPC01 LTC1401 • TPC02 LTC1401 • TPC03
Signal-to-Noise Ratio (Without Peak Harmonic or Spurious Noise Acquisition Time vs Harmonics) vs Input Frequency vs Input Frequency Source Impedance
80 0 4500 T T A = 25°C A = 25°C 70 –10 4000 fSAMPLE = 200kHz –20 3500 60 –30 3000 50 –40 2500 40 (ns) –50 t ACQ 2000 30 –60 1500 20 –70 1000 SIGNAL-TO-NOISE RATIO (dB) 10 TA = 25°C –80 500 f SPURIOUS-FREE DYNAMIC RANGE (dB) SAMPLE = 200kHz 0 –90 0 10 100 1000 10 100 1000 10 100 1k 10k INPUT FREQUENCY (kHz) INPUT FREQUENCY (kHz) SOURCE RESISTANCE (Ω) LTC1401 • TPC04 LTC1401 • TPC05 LTC1401 • TPC06
Reference Voltage vs Power Supply Feedthrough vs Load Current Ripple Frequency Supply Current vs Temperature
1.40 0 12 T f 1.35 A = 25°C SAMPLE = 200kHz fSAMPLE = 200kHz –10 fIN = 49.853kHz 1.30 10 –20 VCC (VRIPPLE = 1mV) VIN = 3.6V 1.25 –30 8 1.20 –40 1.15 –50 6 VIN = 3V 1.10 –60 1.05 4 –70 V REFERENCE VOLTAGE (V) SUPPLY CURRENT (mA) IN = 2.7V 1.00 –80 2 0.95 POWER SUPPLY FEEDTHROUGH (dB) –90 0.90 –100 0 –7 –6 –5 –4 –3 –2 –1 0 1 2 1 10 100 1000 –50 –25 0 25 50 75 100 125 LOAD CURRENT (mA) RIPPLE FREQUENCY (kHz) TEMPERATURE (˚C) LTC1401 • TPC07 LTC1401 • TPC08 LTC1401 • TPC09 1401fa 5