Datasheet LTC6957-1, LTC6957-2, LTC6957-3, LTC6957-4 (Analog Devices) - 4
| Manufacturer | Analog Devices |
| Description | Low Phase Noise, Dual Output Buffer/Driver/Logic Converter |
| Pages / Page | 38 / 4 — ELECTRICAL CHARACTERISTICS LTC6957-1. The |
| File Format / Size | PDF / 1.4 Mb |
| Document Language | English |
ELECTRICAL CHARACTERISTICS LTC6957-1. The
Model Line for this Datasheet
- LTC6957HMS-1#PBF LTC6957HMS-1#TRPBF LTC6957HMS-2#PBF LTC6957HMS-2#TRPBF LTC6957HMS-3#PBF LTC6957HMS-3#TRPBF LTC6957HMS-4#PBF LTC6957HMS-4#TRPBF LTC6957IDD-1#PBF LTC6957IDD-1#TRPBF LTC6957IDD-2#PBF LTC6957IDD-2#TRPBF LTC6957IDD-3#PBF LTC6957IDD-3#TRPBF LTC6957IDD-4#PBF LTC6957IDD-4#TRPBF LTC6957IMS-1#PBF LTC6957IMS-1#TRPBF LTC6957IMS-2#PBF LTC6957IMS-2#TRPBF LTC6957IMS-3#PBF LTC6957IMS-3#TRPBF LTC6957IMS-4#PBF LTC6957IMS-4#TRPBF
Text Version of Document
LTC6957-1/LTC6957-2/ LTC6957-3/LTC6957-4
ELECTRICAL CHARACTERISTICS LTC6957-1 The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. V+ = 3.3V, SD1 = SD2 = 0.4V, FILTA = FILTB = 0.4V, RLOAD = 50Ω connected to 1.3V, unless otherwise specified. All voltages are with respect to ground. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Inputs (IN–, IN+)
fIN Input Frequency Range l 300 MHz VINSE Input Signal Level Range, Single-Ended l 0.2 0.8 2 VP-P VINDIFF Input Signal Level Range, Differential l 0.2 0.8 2 VP-P tMIN Minimum Input Pulse Width High or Low 0.5 ns VINCM Self-Bias Voltage, IN+, IN– l 1.8 2.06 2.3 V RIN Input Resistance, Differential l 1.5 2 2.5 kΩ CIN Input Capacitance, Differential 0.5 pF BWIN Input Section Small Signal Bandwidth (–3dB) FILTB = L, FILTA = L 1200 MHz FILTB = L, FILTA = H 500 MHz FILTB = H, FILTA = L 160 MHz FILTB = H, FILTA = H 50 MHz
Outputs (LVPECL)
VOH Output High Voltage LTC6957I l V+ – 1.22 V+ – 0.98 V+ – 0.93 V LTC6957H l V+ – 1.22 V+ – 0.98 V+ – 0.87 V VOL Output Low Voltage LTC6957I l V+ – 2.1 V+ – 1.8 V+ – 1.67 V LTC6957H l V+ – 2.1 V+ – 1.8 V+ – 1.62 V VOD Output Differential Voltage l ±660 ±810 ±965 mV tr Output Rise Time 180 ps tf Output Fall Time 160 ps tPD Propagation Delay FILTB = L, FILTA = L l 0.35 0.5 0.7 ns FILTB = L, FILTA = H l 0.6 0.8 ns FILTB = H, FILTA = L l 1.1 1.3 ns FILTB = H, FILTA = H l 3.2 4 ns ∆tPD/∆T Propagation Delay Variation Over Temperature FILTB = L, FILTA = L l 0.1 ps/°C FILTB = L, FILTA = H l 0.1 ps/°C FILTB = H, FILTA = L l 0.11 ps/°C FILTB = H, FILTA = H l 0.15 ps/°C ∆tPD/∆V Propagation Delay Variation vs Supply Voltage FILTB = L, FILTA = L l 4 50 ps/V tSKEW Output Skew, Differential, CH1 to CH2 l 3 30 ps tMATCH Output Matching (OUTx+ to OUTx–) See Timing Diagram l 2.5 30 ps
Power
V+ V+ Operating Supply Voltage Range RLOAD = 50Ω to (V+– 2V) l 3.15 3.3 3.45 V IS Supply Current Both Outputs Enabled (SD1 = SD2 = L) No Output Loads l 18 22 mA One Output Enabled (SD1 = L, SD2 = H or SD1 = H, SD2 = L) No Output Loads l 15 19 mA Both Outputs Disabled (SD1 = SD2 = H) No Output Loads l 0.7 1.2 mA Including Output Loads RLOAD = 50Ω to (V+– 2V), ×4 l 58 72 mA tENABLE Output Enable Time, Other SDx = L 40 µs tWAKEUP Output Enable Time, Other SDx = H 120 µs tDISABLE Output Disable Time, Other SDx = L 20 µs tSLEEP Output Disable Time, Other SDx = H 20 µs 6957fb 4 For more information www.linear.com/LTC6957-1 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagrams Timing Diagram Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
ELECTRICAL CHARACTERISTICS LTC6957-1 The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. V+ = 3.3V, SD1 = SD2 = 0.4V, FILTA = FILTB = 0.4V, RLOAD = 50Ω connected to 1.3V, unless otherwise specified. All voltages are with respect to ground. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Inputs (IN–, IN+)
fIN Input Frequency Range l 300 MHz VINSE Input Signal Level Range, Single-Ended l 0.2 0.8 2 VP-P VINDIFF Input Signal Level Range, Differential l 0.2 0.8 2 VP-P tMIN Minimum Input Pulse Width High or Low 0.5 ns VINCM Self-Bias Voltage, IN+, IN– l 1.8 2.06 2.3 V RIN Input Resistance, Differential l 1.5 2 2.5 kΩ CIN Input Capacitance, Differential 0.5 pF BWIN Input Section Small Signal Bandwidth (–3dB) FILTB = L, FILTA = L 1200 MHz FILTB = L, FILTA = H 500 MHz FILTB = H, FILTA = L 160 MHz FILTB = H, FILTA = H 50 MHz
Outputs (LVPECL)
VOH Output High Voltage LTC6957I l V+ – 1.22 V+ – 0.98 V+ – 0.93 V LTC6957H l V+ – 1.22 V+ – 0.98 V+ – 0.87 V VOL Output Low Voltage LTC6957I l V+ – 2.1 V+ – 1.8 V+ – 1.67 V LTC6957H l V+ – 2.1 V+ – 1.8 V+ – 1.62 V VOD Output Differential Voltage l ±660 ±810 ±965 mV tr Output Rise Time 180 ps tf Output Fall Time 160 ps tPD Propagation Delay FILTB = L, FILTA = L l 0.35 0.5 0.7 ns FILTB = L, FILTA = H l 0.6 0.8 ns FILTB = H, FILTA = L l 1.1 1.3 ns FILTB = H, FILTA = H l 3.2 4 ns ∆tPD/∆T Propagation Delay Variation Over Temperature FILTB = L, FILTA = L l 0.1 ps/°C FILTB = L, FILTA = H l 0.1 ps/°C FILTB = H, FILTA = L l 0.11 ps/°C FILTB = H, FILTA = H l 0.15 ps/°C ∆tPD/∆V Propagation Delay Variation vs Supply Voltage FILTB = L, FILTA = L l 4 50 ps/V tSKEW Output Skew, Differential, CH1 to CH2 l 3 30 ps tMATCH Output Matching (OUTx+ to OUTx–) See Timing Diagram l 2.5 30 ps
Power
V+ V+ Operating Supply Voltage Range RLOAD = 50Ω to (V+– 2V) l 3.15 3.3 3.45 V IS Supply Current Both Outputs Enabled (SD1 = SD2 = L) No Output Loads l 18 22 mA One Output Enabled (SD1 = L, SD2 = H or SD1 = H, SD2 = L) No Output Loads l 15 19 mA Both Outputs Disabled (SD1 = SD2 = H) No Output Loads l 0.7 1.2 mA Including Output Loads RLOAD = 50Ω to (V+– 2V), ×4 l 58 72 mA tENABLE Output Enable Time, Other SDx = L 40 µs tWAKEUP Output Enable Time, Other SDx = H 120 µs tDISABLE Output Disable Time, Other SDx = L 20 µs tSLEEP Output Disable Time, Other SDx = H 20 µs 6957fb 4 For more information www.linear.com/LTC6957-1 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagrams Timing Diagram Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
