Datasheet LTC2192, LTC2191, LTC2190 (Analog Devices) - 5
| Fabricante | Analog Devices |
| Descripción | 16-Bit, 65Msps Low Power Dual ADCs |
| Páginas / Página | 28 / 5 — DIGITAL INPUTS AND OUTPUTS. The. denotes the specifications which apply … |
| Formato / tamaño de archivo | PDF / 902 Kb |
| Idioma del documento | Inglés |
DIGITAL INPUTS AND OUTPUTS. The. denotes the specifications which apply over the full operating
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LTC2192 LTC2191/LTC2190
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 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 CIN Input Capacitance (Note 8) 3 pF
SDO OUTPUT (Serial Programming Mode. 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) 3 pF
DIGITAL DATA OUTPUTS
VOD Differential Output Voltage 100Ω Differential Load, 3.5mA Mode l 247 350 454 mV 100Ω Differential Load, 1.75mA Mode l 125 175 250 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 l 1.125 1.250 1.375 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) LTC2192 LTC2191 LTC2190 SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX MIN TYP MAX UNITS
VDD Analog Supply Voltage (Note 10) l 1.7 1.8 1.9 1.7 1.8 1.9 1.7 1.8 1.9 V OVDD Output Supply Voltage (Note 10) l 1.7 1.8 1.9 1.7 1.8 1.9 1.7 1.8 1.9 V IVDD Analog Supply Current Sine Wave Input l 99 109 72 80 49 56 mA IOVDD Digital Supply Current 1-Lane Mode, 1.75mA Mode 10.2 9.2 8.7 mA 1-Lane Mode, 3.5mA Mode 17.6 16.6 16.1 mA 2-Lane Mode, 1.75mA Mode l 13.6 17 12.8 16 12.3 16 mA 2-Lane Mode, 3.5mA Mode l 24.7 30 23.9 29 23.4 29 mA 4-Lane Mode, 1.75mA Mode l 21.1 25 20.3 25 19.9 25 mA 4-Lane Mode, 3.5mA Mode l 39.6 47 38.8 47 38.4 47 mA PDISS Power Dissipation 1-Lane Mode, 1.75mA Mode 198 146 104 mW 1-Lane Mode, 3.5mA Mode 211 159 118 mW 2-Lane Mode, 1.75mA Mode l 203 227 152 173 111 130 mW 2-Lane Mode, 3.5mA Mode l 223 251 172 197 131 153 mW 4-Lane Mode, 1.75mA Mode l 217 242 166 189 124 146 mW 4-Lane Mode, 3.5mA Mode l 250 281 199 229 158 186 mW PSLEEP Sleep Mode Power 1 1 1 mW PNAP Nap Mode Power 50 50 50 mW PDIFFCLK Power Increase with Diffential Encode Mode Enabled 20 20 20 mW (No Increase for Sleep Mode) 219210f 5 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Converter Characteristics Analog Input Dynamic Accuracy Internal Reference Characteristics Digital Inputs And Outputs Power Requirements Timing Characteristics Timing Diagrams Typical Performance Characteristics Pin Functions Functional Block Diagram Applications Information Typical Applications Package Description Typical Application Related Parts
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 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 CIN Input Capacitance (Note 8) 3 pF
SDO OUTPUT (Serial Programming Mode. 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) 3 pF
DIGITAL DATA OUTPUTS
VOD Differential Output Voltage 100Ω Differential Load, 3.5mA Mode l 247 350 454 mV 100Ω Differential Load, 1.75mA Mode l 125 175 250 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 l 1.125 1.250 1.375 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) LTC2192 LTC2191 LTC2190 SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX MIN TYP MAX UNITS
VDD Analog Supply Voltage (Note 10) l 1.7 1.8 1.9 1.7 1.8 1.9 1.7 1.8 1.9 V OVDD Output Supply Voltage (Note 10) l 1.7 1.8 1.9 1.7 1.8 1.9 1.7 1.8 1.9 V IVDD Analog Supply Current Sine Wave Input l 99 109 72 80 49 56 mA IOVDD Digital Supply Current 1-Lane Mode, 1.75mA Mode 10.2 9.2 8.7 mA 1-Lane Mode, 3.5mA Mode 17.6 16.6 16.1 mA 2-Lane Mode, 1.75mA Mode l 13.6 17 12.8 16 12.3 16 mA 2-Lane Mode, 3.5mA Mode l 24.7 30 23.9 29 23.4 29 mA 4-Lane Mode, 1.75mA Mode l 21.1 25 20.3 25 19.9 25 mA 4-Lane Mode, 3.5mA Mode l 39.6 47 38.8 47 38.4 47 mA PDISS Power Dissipation 1-Lane Mode, 1.75mA Mode 198 146 104 mW 1-Lane Mode, 3.5mA Mode 211 159 118 mW 2-Lane Mode, 1.75mA Mode l 203 227 152 173 111 130 mW 2-Lane Mode, 3.5mA Mode l 223 251 172 197 131 153 mW 4-Lane Mode, 1.75mA Mode l 217 242 166 189 124 146 mW 4-Lane Mode, 3.5mA Mode l 250 281 199 229 158 186 mW PSLEEP Sleep Mode Power 1 1 1 mW PNAP Nap Mode Power 50 50 50 mW PDIFFCLK Power Increase with Diffential Encode Mode Enabled 20 20 20 mW (No Increase for Sleep Mode) 219210f 5 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Converter Characteristics Analog Input Dynamic Accuracy Internal Reference Characteristics Digital Inputs And Outputs Power Requirements Timing Characteristics Timing Diagrams Typical Performance Characteristics Pin Functions Functional Block Diagram Applications Information Typical Applications Package Description Typical Application Related Parts