Datasheet LTC2269 (Analog Devices) - 6
| Fabricante | Analog Devices |
| Descripción | 16-Bit, 20Msps Low Noise ADC |
| Páginas / Página | 32 / 6 — DIGITAL INPUTS AND OUTPUTS. The. denotes the specifications which apply … |
| Formato / tamaño de archivo | PDF / 775 Kb |
| Idioma del documento | Inglés |
DIGITAL INPUTS AND OUTPUTS. The. denotes the specifications which apply over the full operating
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LTC2269
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 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 CIN Input Capacitance (Note 8) 3 pF
SDO OUTPUT (Serial Programming Mode. Open Drain Output. Requires 2kΩ 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) 3 pF
DIGITAL DATA OUTPUTS (CMOS MODES: FULL DATA RATE AND DOUBLE DATA RATE) OVDD = 1.8V
VOH High Level Output Voltage IO = –500μA l 1.750 1.790 V VOL Low Level Output Voltage IO = 500μA l 0.010 0.050 V
OVDD = 1.5V
VOH High Level Output Voltage IO = –500μA 1.488 V VOL Low Level Output Voltage IO = 500μA 0.010 V
OVDD = 1.2V
VOH High Level Output Voltage IO = –500μA 1.185 V VOL Low Level Output Voltage IO = 500μA 0.010 V
DIGITAL DATA OUTPUTS (LVDS MODE)
VOD Differential Output Voltage 100Ω Differential Load, 3.5mA Mode l 247 350 454 mV 100Ω Differential Load, 1.75mA Mode 175 mV VOS Common Mode Output Voltage 100Ω Differential Load, 3.5mA Mode l 1.125 1.250 1.375 V 100Ω Differential Load, 1.75mA Mode 1.250 V RTERM On-Chip Termination Resistance Termination Enabled, OVDD = 1.8V 100 Ω
POWER REQUIREMENTS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 9) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS CMOS Output Modes: Full Data Rate and Double Data Rate
VDD Analog Supply Voltage (Note 10) l 1.7 1.8 1.9 V OVDD Output Supply Voltage (Note 10) l 1.1 1.8 1.9 V IVDD Analog Supply Current DC Input l 48.9 54.4 mA Sine Wave Input 49.1 mA IOVDD Digital Supply Current Sine Wave Input, OVDD =1.2V 1 mA PDISS Power Dissipation DC Input l 88 98 mW Sine Wave Input, OVDD =1.2V 88 mW
LVDS Output Mode
VDD Analog Supply Voltage (Note 10) l 1.7 1.8 1.9 V OVDD Output Supply Voltage (Note 10) l 1.7 1.8 1.9 V 2269f 6
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 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 CIN Input Capacitance (Note 8) 3 pF
SDO OUTPUT (Serial Programming Mode. Open Drain Output. Requires 2kΩ 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) 3 pF
DIGITAL DATA OUTPUTS (CMOS MODES: FULL DATA RATE AND DOUBLE DATA RATE) OVDD = 1.8V
VOH High Level Output Voltage IO = –500μA l 1.750 1.790 V VOL Low Level Output Voltage IO = 500μA l 0.010 0.050 V
OVDD = 1.5V
VOH High Level Output Voltage IO = –500μA 1.488 V VOL Low Level Output Voltage IO = 500μA 0.010 V
OVDD = 1.2V
VOH High Level Output Voltage IO = –500μA 1.185 V VOL Low Level Output Voltage IO = 500μA 0.010 V
DIGITAL DATA OUTPUTS (LVDS MODE)
VOD Differential Output Voltage 100Ω Differential Load, 3.5mA Mode l 247 350 454 mV 100Ω Differential Load, 1.75mA Mode 175 mV VOS Common Mode Output Voltage 100Ω Differential Load, 3.5mA Mode l 1.125 1.250 1.375 V 100Ω Differential Load, 1.75mA Mode 1.250 V RTERM On-Chip Termination Resistance Termination Enabled, OVDD = 1.8V 100 Ω
POWER REQUIREMENTS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 9) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS CMOS Output Modes: Full Data Rate and Double Data Rate
VDD Analog Supply Voltage (Note 10) l 1.7 1.8 1.9 V OVDD Output Supply Voltage (Note 10) l 1.1 1.8 1.9 V IVDD Analog Supply Current DC Input l 48.9 54.4 mA Sine Wave Input 49.1 mA IOVDD Digital Supply Current Sine Wave Input, OVDD =1.2V 1 mA PDISS Power Dissipation DC Input l 88 98 mW Sine Wave Input, OVDD =1.2V 88 mW
LVDS Output Mode
VDD Analog Supply Voltage (Note 10) l 1.7 1.8 1.9 V OVDD Output Supply Voltage (Note 10) l 1.7 1.8 1.9 V 2269f 6