Datasheet LTC2165, LTC2164, LTC2163 (Analog Devices) - 5
| Fabricante | Analog Devices |
| Descripción | 16-Bit, 125Msps Low Power ADCs |
| Páginas / Página | 36 / 5 — DynaMic accuracy. The. denotes the specifications which apply over the … |
| Formato / tamaño de archivo | PDF / 684 Kb |
| Idioma del documento | Inglés |
DynaMic accuracy. The. denotes the specifications which apply over the full operating temperature range,
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Versión de texto del documento
LTC2165/LTC2164/LTC2163
DynaMic accuracy The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. AIN = –1dBFS. (Note 5) LTC2165 LTC2164 LTC2163 SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX MIN TYP MAX UNITS
SFDR Spurious Free Dynamic Range 5MHz Input 95 95 95 dBFS 4th Harmonic or Higher 70MHz Input l 88 95 89 95 90 95 dBFS 140MHz Input 95 95 95 dBFS S/(N+D) Signal-to-Noise Plus 5MHz Input 76.6 76.5 76.9 dBFS Distortion Ratio 70MHz Input l 74 76.2 74.1 76.1 74.6 76.5 dBFS 140MHz Input 75.1 75 75.3 dBFS
inTernal reFerence characTerisTics The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5) PARAMETER CONDITIONS MIN TYP MAX UNITS
VCM Output Voltage IOUT = 0 0.5•VDD – 25mV 0.5•VDD 0.5•VDD + 25mV V VCM Output Temperature Drift ±25 ppm/°C VCM Output Resistance –600µA < IOUT < 1mA 4 Ω VREF Output Voltage IOUT = 0 1.225 1.250 1.275 V VREF Output Temperature Drift ±25 ppm/°C VREF Output Resistance –400µA < IOUT < 1mA 7 Ω VREF Line Regulation 1.7V < VDD < 1.9V 0.6 mV/V
DigiTal inpuTs anD ouTpuTs The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS ENCODE INPUTS (ENC+, ENC–) DIFFERENTIAL ENCODE MODE (ENC– NOT TIED TO GND)
VID Differential Input Voltage (Note 8) l 0.2 V VICM Common Mode Input Voltage Internally Set 1.2 V Externally Set (Note 8) l 1.1 1.6 V VIN Input Voltage Range ENC+, ENC– to GND l 0.2 3.6 V RIN Input Resistance (See Figure 10) 10 kΩ CIN Input Capacitance (Note 8) 3.5 pF
SINGLE-ENDED ENCODE MODE (ENC– TIED TO GND)
VIH High Level Input Voltage VDD = 1.8V l 1.2 V VIL Low Level Input Voltage VDD = 1.8V l 0.6 V VIN Input Voltage Range ENC+ to GND l 0 3.6 V RIN Input Resistance (See Figure 11) 30 kΩ CIN Input Capacitance (Note 8) 3.5 pF
DIGITAL INPUTS (CS, SDI, SCK in Serial or Parallel Programming Mode. SDO in Parallel Programming Mode)
VIH High Level Input Voltage VDD = 1.8V l 1.3 V VIL Low Level Input Voltage VDD = 1.8V l 0.6 V IIN Input Current VIN = 0V to 3.6V l –10 10 µA 216543f 5 Document Outline Features Applications Description Absolute Maximum Ratings Typical Application Pin Configuration Order Information Converter Characteristics Analog Input Dynamic Accuracy Internal Reference Characteristics Digital Inputs And Outputs Power Requirements Timing Characteristics Electrical Characteristics Timing Diagrams Typical Performance Characteristics Pin Functions Functional Block Diagram Applications Information Typical Applications Package Description Typical Application Related Parts
DynaMic accuracy The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. AIN = –1dBFS. (Note 5) LTC2165 LTC2164 LTC2163 SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX MIN TYP MAX UNITS
SFDR Spurious Free Dynamic Range 5MHz Input 95 95 95 dBFS 4th Harmonic or Higher 70MHz Input l 88 95 89 95 90 95 dBFS 140MHz Input 95 95 95 dBFS S/(N+D) Signal-to-Noise Plus 5MHz Input 76.6 76.5 76.9 dBFS Distortion Ratio 70MHz Input l 74 76.2 74.1 76.1 74.6 76.5 dBFS 140MHz Input 75.1 75 75.3 dBFS
inTernal reFerence characTerisTics The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5) PARAMETER CONDITIONS MIN TYP MAX UNITS
VCM Output Voltage IOUT = 0 0.5•VDD – 25mV 0.5•VDD 0.5•VDD + 25mV V VCM Output Temperature Drift ±25 ppm/°C VCM Output Resistance –600µA < IOUT < 1mA 4 Ω VREF Output Voltage IOUT = 0 1.225 1.250 1.275 V VREF Output Temperature Drift ±25 ppm/°C VREF Output Resistance –400µA < IOUT < 1mA 7 Ω VREF Line Regulation 1.7V < VDD < 1.9V 0.6 mV/V
DigiTal inpuTs anD ouTpuTs The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS ENCODE INPUTS (ENC+, ENC–) DIFFERENTIAL ENCODE MODE (ENC– NOT TIED TO GND)
VID Differential Input Voltage (Note 8) l 0.2 V VICM Common Mode Input Voltage Internally Set 1.2 V Externally Set (Note 8) l 1.1 1.6 V VIN Input Voltage Range ENC+, ENC– to GND l 0.2 3.6 V RIN Input Resistance (See Figure 10) 10 kΩ CIN Input Capacitance (Note 8) 3.5 pF
SINGLE-ENDED ENCODE MODE (ENC– TIED TO GND)
VIH High Level Input Voltage VDD = 1.8V l 1.2 V VIL Low Level Input Voltage VDD = 1.8V l 0.6 V VIN Input Voltage Range ENC+ to GND l 0 3.6 V RIN Input Resistance (See Figure 11) 30 kΩ CIN Input Capacitance (Note 8) 3.5 pF
DIGITAL INPUTS (CS, SDI, SCK in Serial or Parallel Programming Mode. SDO in Parallel Programming Mode)
VIH High Level Input Voltage VDD = 1.8V l 1.3 V VIL Low Level Input Voltage VDD = 1.8V l 0.6 V IIN Input Current VIN = 0V to 3.6V l –10 10 µA 216543f 5 Document Outline Features Applications Description Absolute Maximum Ratings Typical Application Pin Configuration Order Information Converter Characteristics Analog Input Dynamic Accuracy Internal Reference Characteristics Digital Inputs And Outputs Power Requirements Timing Characteristics Electrical Characteristics Timing Diagrams Typical Performance Characteristics Pin Functions Functional Block Diagram Applications Information Typical Applications Package Description Typical Application Related Parts