Datasheet LTM9011-14, LTM9010-14, LTM9009-14 (Analog Devices) - 5
| Hersteller | Analog Devices |
| Beschreibung | 14-Bit, 125Msps Low Power Octal ADCs |
| Seiten / Seite | 40 / 5 — The. denotes the specifications which apply over the full operating |
| Revision | D |
| Dateiformat / Größe | PDF / 1.5 Mb |
| Dokumentensprache | Englisch |
The. denotes the specifications which apply over the full operating
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LTM9011-14/ LTM9010-14/LTM9009-14 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 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 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 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 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 Rev D For more information www.analog.com 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 Pin Configuration Table Functional Block Diagram Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
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 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 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 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 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 Rev D For more information www.analog.com 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 Pin Configuration Table Functional Block Diagram Applications Information Typical Applications Package Description Revision History Typical Application Related Parts