Datasheet LTC2315-12 (Analog Devices) - 4
| Fabricante | Analog Devices |
| Descripción | 12-Bit, 5Msps Serial Sampling ADC in TSOT |
| Páginas / Página | 22 / 4 — REFERENCE. INPUT/OUTPUT The. denotes the specifications which apply over … |
| Formato / tamaño de archivo | PDF / 706 Kb |
| Idioma del documento | Inglés |
REFERENCE. INPUT/OUTPUT The. denotes the specifications which apply over the full operating temperature
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LTC2315-12
REFERENCE INPUT/OUTPUT The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VREF VREF Output Voltage 2.7V ≤ VDD ≤ 3.6V l 2.040 2.048 2.056 V 4.75 ≤ VDD ≤ 5.25V l 4.080 4.096 4.112 V VREF Temperature Coefficient l 7 20 ppm/°C VREF Output Resistance Normal Operation 2 Ω Overdrive Condition 52 kΩ (VREFIN ≥ VREFOUT + 50mV) VREF Line Regulation 2.7V ≤ VDD ≤ 3.6V 2 mV/V 4.75 ≤ VDD ≤ 5.25V 0.8 mV/V VREF 2.048V/4.096V Supply Threshold 4.15 V VREF 2.048V/4.096V Supply Threshold Hysteresis 150 mV VREF Input Voltage Range 2.7V ≤ VDD ≤ 3.6V l VREF + 50mV VDD V (External Reference Input) 4.75 ≤ VDD ≤ 5.25V l VREF + 50mV 4.3 V
DIGITAL INPUTS AND DIGITAL OUTPUTS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIH High Level Input Voltage l 0.8 • OVDD V VIL Low Level Input Voltage l 0.2 • OVDD V IIN Digital Input Current VIN = 0V to OVDD l –10 10 μA CIN Digital Input Capacitance 5 pF VOH High Level Output Voltage IO = –500µA (Source) l OVDD–0.2 V VOL Low Level Output Voltage IO = 500µA (Sink) l 0.2 V IOZ High-Z Output Leakage Current VOUT = 0V to OVDD, CS = High l –10 10 µA COZ High-Z Output Capacitance CS = High 4 pF ISOURCE Output Source Current VOUT = 0V, OVDD = 1.8V –20 mA ISINK Output Sink Current VOUT = OVDD = 1.8V 20 mA
POWER REQUIREMENTS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VDD Supply Voltage 3V Operational Range l 2.7 3 3.6 V 5V Operational Range l 4.75 5 5.25 V OVDD Digital Output Supply Voltage l 1.71 5.25 V ITOTAL = Supply Current, Static Mode CS = 0V, SCK = 0V l 3.5 4 mA IVDD + IOVDD Operational Mode l 6.4 7.5 mA Nap Mode 1.8 mA Sleep Mode l 0.8 5 µA PD Power Dissipation, Static Mode CS = 0V, SCK = 0V l 17.5 20 mW Operational Mode l 32 37.5 mW Nap Mode 9 mW Sleep Mode l 4 25 µW 231512fa 4 For more information www.linear.com/LTC2315-12
REFERENCE INPUT/OUTPUT The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VREF VREF Output Voltage 2.7V ≤ VDD ≤ 3.6V l 2.040 2.048 2.056 V 4.75 ≤ VDD ≤ 5.25V l 4.080 4.096 4.112 V VREF Temperature Coefficient l 7 20 ppm/°C VREF Output Resistance Normal Operation 2 Ω Overdrive Condition 52 kΩ (VREFIN ≥ VREFOUT + 50mV) VREF Line Regulation 2.7V ≤ VDD ≤ 3.6V 2 mV/V 4.75 ≤ VDD ≤ 5.25V 0.8 mV/V VREF 2.048V/4.096V Supply Threshold 4.15 V VREF 2.048V/4.096V Supply Threshold Hysteresis 150 mV VREF Input Voltage Range 2.7V ≤ VDD ≤ 3.6V l VREF + 50mV VDD V (External Reference Input) 4.75 ≤ VDD ≤ 5.25V l VREF + 50mV 4.3 V
DIGITAL INPUTS AND DIGITAL OUTPUTS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIH High Level Input Voltage l 0.8 • OVDD V VIL Low Level Input Voltage l 0.2 • OVDD V IIN Digital Input Current VIN = 0V to OVDD l –10 10 μA CIN Digital Input Capacitance 5 pF VOH High Level Output Voltage IO = –500µA (Source) l OVDD–0.2 V VOL Low Level Output Voltage IO = 500µA (Sink) l 0.2 V IOZ High-Z Output Leakage Current VOUT = 0V to OVDD, CS = High l –10 10 µA COZ High-Z Output Capacitance CS = High 4 pF ISOURCE Output Source Current VOUT = 0V, OVDD = 1.8V –20 mA ISINK Output Sink Current VOUT = OVDD = 1.8V 20 mA
POWER REQUIREMENTS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VDD Supply Voltage 3V Operational Range l 2.7 3 3.6 V 5V Operational Range l 4.75 5 5.25 V OVDD Digital Output Supply Voltage l 1.71 5.25 V ITOTAL = Supply Current, Static Mode CS = 0V, SCK = 0V l 3.5 4 mA IVDD + IOVDD Operational Mode l 6.4 7.5 mA Nap Mode 1.8 mA Sleep Mode l 0.8 5 µA PD Power Dissipation, Static Mode CS = 0V, SCK = 0V l 17.5 20 mW Operational Mode l 32 37.5 mW Nap Mode 9 mW Sleep Mode l 4 25 µW 231512fa 4 For more information www.linear.com/LTC2315-12