Datasheet LTC1278 (Analog Devices) - 3
| Manufacturer | Analog Devices |
| Description | 12-Bit, 500ksps Sampling A/D Converter with Shutdown |
| Pages / Page | 16 / 3 — (Note 5). DY A IC ACCURACY. LTC1278-4/LTC1278-5. SYMBOL. PARAMETER. … |
| File Format / Size | PDF / 290 Kb |
| Document Language | English |
(Note 5). DY A IC ACCURACY. LTC1278-4/LTC1278-5. SYMBOL. PARAMETER. CONDITIONS. MIN. TYP. MAX. UNITS
Model Line for this Datasheet
- LTC1278-4CN#PBF LTC1278-4CSW#PBF LTC1278-4CSW#TRPBF LTC1278-4IN#PBF LTC1278-4ISW#PBF LTC1278-4ISW#TRPBF LTC1278-5CSW#PBF LTC1278-5CSW#TRPBF LTC1278-5ISW#PBF LTC1278-5ISW#TRPBF
Text Version of Document
LTC1278
U W (Note 5) DY A IC ACCURACY LTC1278-4/LTC1278-5 SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
S/(N + D) Signal-to-Noise Plus Distortion Ratio 100kHz Input Signal ● 70 72 dB 250kHz Input Signal 70 dB THD Total Harmonic Distortion 100kHz Input Signal ● – 80 – 78 dB First 5 Harmonics 250kHz Input Signal – 74 dB Peak Harmonic or Spurious Noise 100kHz Input Signal ● – 84 – 78 dB 250kHz Input Signal – 74 dB IMD Intermodulation Distortion fIN1 = 99.37kHz, fIN2 = 102.4kHz – 82 dB fIN1 = 249.37kHz, fIN2 = 252.4kHz – 70 dB Full Power Bandwidth 4 MHz Full Linear Bandwidth (S/(N + D) ≥ 68dB) 350 kHz
U U U I TER AL REFERE CE CHARACTERISTICS (Note 5) LTC1278-4/LTC1278-5 PARAMETER CONDITIONS MIN TYP MAX UNITS
VREF Output Voltage IOUT = 0 2.400 2.420 2.440 V VREF Output Tempco IOUT = 0 ● ±10 ±45 ppm/°C VREF Line Regulation 4.95V ≤ VDD ≤ 5.25V 0.01 LSB/V – 5.25V ≤ VSS ≤ – 4.95V 0.01 LSB/V VREF Load Regulation 0V ≤ |IOUT| ≤ 1mA 2 LSB/mA
U U DIGITAL I PUTS A D DIGITAL OUTPUTS (Note 5) LTC1278-4/LTC1278-5 SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIH High Level Input Voltage VDD = 5.25V ● 2.4 V VIL Low Level Input Voltage VDD = 4.95V ● 0.8 V IIN Digital Input Current VIN = 0V to VDD ● ±10 µA CIN Digital Input Capacitance 5 pF VOH High Level Output Voltage VDD = 4.95V IO = – 10µA 4.7 V IO = – 200µA ● 4 V VOL Low Level Output Voltage VDD = 4.95V IO = 160µA 0.05 V IO = 1.6mA ● 0.10 0.4 V IOZ High Z Output Leakage D11 to D0 VOUT = 0V to VDD, CS High ● ±10 µA COZ High Z Output Capacitance D11 to D0 CS High (Note 9 ) ● 15 pF ISOURCE Output Source Current VOUT = 0V – 10 mA ISINK Output Sink Current VOUT = VDD 10 mA 3
U W (Note 5) DY A IC ACCURACY LTC1278-4/LTC1278-5 SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
S/(N + D) Signal-to-Noise Plus Distortion Ratio 100kHz Input Signal ● 70 72 dB 250kHz Input Signal 70 dB THD Total Harmonic Distortion 100kHz Input Signal ● – 80 – 78 dB First 5 Harmonics 250kHz Input Signal – 74 dB Peak Harmonic or Spurious Noise 100kHz Input Signal ● – 84 – 78 dB 250kHz Input Signal – 74 dB IMD Intermodulation Distortion fIN1 = 99.37kHz, fIN2 = 102.4kHz – 82 dB fIN1 = 249.37kHz, fIN2 = 252.4kHz – 70 dB Full Power Bandwidth 4 MHz Full Linear Bandwidth (S/(N + D) ≥ 68dB) 350 kHz
U U U I TER AL REFERE CE CHARACTERISTICS (Note 5) LTC1278-4/LTC1278-5 PARAMETER CONDITIONS MIN TYP MAX UNITS
VREF Output Voltage IOUT = 0 2.400 2.420 2.440 V VREF Output Tempco IOUT = 0 ● ±10 ±45 ppm/°C VREF Line Regulation 4.95V ≤ VDD ≤ 5.25V 0.01 LSB/V – 5.25V ≤ VSS ≤ – 4.95V 0.01 LSB/V VREF Load Regulation 0V ≤ |IOUT| ≤ 1mA 2 LSB/mA
U U DIGITAL I PUTS A D DIGITAL OUTPUTS (Note 5) LTC1278-4/LTC1278-5 SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIH High Level Input Voltage VDD = 5.25V ● 2.4 V VIL Low Level Input Voltage VDD = 4.95V ● 0.8 V IIN Digital Input Current VIN = 0V to VDD ● ±10 µA CIN Digital Input Capacitance 5 pF VOH High Level Output Voltage VDD = 4.95V IO = – 10µA 4.7 V IO = – 200µA ● 4 V VOL Low Level Output Voltage VDD = 4.95V IO = 160µA 0.05 V IO = 1.6mA ● 0.10 0.4 V IOZ High Z Output Leakage D11 to D0 VOUT = 0V to VDD, CS High ● ±10 µA COZ High Z Output Capacitance D11 to D0 CS High (Note 9 ) ● 15 pF ISOURCE Output Source Current VOUT = 0V – 10 mA ISINK Output Sink Current VOUT = VDD 10 mA 3
