Datasheet LTC2123 (Analog Devices) - 4
| Hersteller | Analog Devices |
| Beschreibung | Dual 14-Bit 250Msps ADC with JESD204B Serial Outputs |
| Seiten / Seite | 50 / 4 — POWER. REQUIREMENTS The. denotes the specifications which apply over the … |
| Dateiformat / Größe | PDF / 1.2 Mb |
| Dokumentensprache | Englisch |
POWER. REQUIREMENTS The. denotes the specifications which apply over the full operating temperature
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LTC2123
POWER REQUIREMENTS 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
VDD Analog Supply Voltage (Note 9) l 1.7 1.8 1.9 V OVDD Output Supply Voltage CML Current = 16mA, Directly Terminated (Note 8) l 1.2 1.9 V CML Current = 16mA, AC Terminated l 1.4 1.9 V IVDD Analog Supply Current l 480 520 mA IOVDD Output Supply Current Per Lane CML Current = 12mA l 11 12 13.8 mA PDISS Power Dissipation VDD = 1.8V, Excluding OVDD Power l 864 936 mW PSLEEP Sleep Mode Power 2 mW PNAP Nap Mode Power 468 mW
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 CLOCK INPUTS (DEVCLK+, DEVCLK–)
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 1.5 V RIN Input Resistance (See Figure 2) 10 kΩ CIN Input Capacitance 2 pF
DIFFERENTIAL DIGITAL INPUTS (SYNC~+, SYNC~–, SYSREF+, SYSREF–)
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 1.5 V RIN Input Resistance 6.7 kΩ CIN Input Capacitance 2 pF
DIGITAL INPUTS (CS, SDI, SCK)
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 CIN Input Capacitance (Note 8) 3 pF
SDO OUTPUT (Open-Drain Output. Requires 2k Pull-Up Resistor if SDO Is Used)
ROL Logic Low Output Resistance to GND VDD = 1.8V, SDO = 0V 200 Ω IOH Logic High Output Leakage Current SDO = 0V to 3.6V l –10 10 µA COUT Output Capacitance (Note 8) 4 pF
LVDS OUTPUTS (OF+, OF–)
VOD Differential Output Voltage 100Ω Differential Load l 247 350 454 mV VOS Common Mode Output Voltage l 1.125 1.25 1.375 V 2123fc 4 For more information www.linear.com/LTC2123 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Converter Characteristics Pin Configuration Analog Input Dynamic Accuracy Internal Reference Characteristics Power Requirements Digital Inputs and Outputs Timing Characteristics Typical Performance Characteristics Pin Functions Block Diagram Timing Diagram SPI Timing Definitions Applications Information Typical Applications Package Description Typical Application Related Parts
POWER REQUIREMENTS 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
VDD Analog Supply Voltage (Note 9) l 1.7 1.8 1.9 V OVDD Output Supply Voltage CML Current = 16mA, Directly Terminated (Note 8) l 1.2 1.9 V CML Current = 16mA, AC Terminated l 1.4 1.9 V IVDD Analog Supply Current l 480 520 mA IOVDD Output Supply Current Per Lane CML Current = 12mA l 11 12 13.8 mA PDISS Power Dissipation VDD = 1.8V, Excluding OVDD Power l 864 936 mW PSLEEP Sleep Mode Power 2 mW PNAP Nap Mode Power 468 mW
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 CLOCK INPUTS (DEVCLK+, DEVCLK–)
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 1.5 V RIN Input Resistance (See Figure 2) 10 kΩ CIN Input Capacitance 2 pF
DIFFERENTIAL DIGITAL INPUTS (SYNC~+, SYNC~–, SYSREF+, SYSREF–)
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 1.5 V RIN Input Resistance 6.7 kΩ CIN Input Capacitance 2 pF
DIGITAL INPUTS (CS, SDI, SCK)
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 CIN Input Capacitance (Note 8) 3 pF
SDO OUTPUT (Open-Drain Output. Requires 2k Pull-Up Resistor if SDO Is Used)
ROL Logic Low Output Resistance to GND VDD = 1.8V, SDO = 0V 200 Ω IOH Logic High Output Leakage Current SDO = 0V to 3.6V l –10 10 µA COUT Output Capacitance (Note 8) 4 pF
LVDS OUTPUTS (OF+, OF–)
VOD Differential Output Voltage 100Ω Differential Load l 247 350 454 mV VOS Common Mode Output Voltage l 1.125 1.25 1.375 V 2123fc 4 For more information www.linear.com/LTC2123 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Converter Characteristics Pin Configuration Analog Input Dynamic Accuracy Internal Reference Characteristics Power Requirements Digital Inputs and Outputs Timing Characteristics Typical Performance Characteristics Pin Functions Block Diagram Timing Diagram SPI Timing Definitions Applications Information Typical Applications Package Description Typical Application Related Parts