Datasheet LTC6995-1, LTC6995-2 (Analog Devices) - 3
| Hersteller | Analog Devices |
| Beschreibung | TimerBlox: Long Timer, Low Frequency Oscillator |
| Seiten / Seite | 28 / 3 — e lecTrical characTerisTics The. denotes the specifications which apply … |
| Dateiformat / Größe | PDF / 323 Kb |
| Dokumentensprache | Englisch |
e lecTrical characTerisTics The. denotes the specifications which apply over the full operating
Modelllinie für dieses Datenblatt
- LTC6995CDCB-1#PBF LTC6995CDCB-1#TRMPBF LTC6995CDCB-1#TRPBF LTC6995CDCB-2#PBF LTC6995CDCB-2#TRMPBF LTC6995CDCB-2#TRPBF LTC6995CS6-1#PBF LTC6995CS6-1#TRMPBF LTC6995CS6-1#TRPBF LTC6995CS6-2#PBF LTC6995CS6-2#TRMPBF LTC6995CS6-2#TRPBF LTC6995HDCB-1#PBF LTC6995HDCB-1#TRMPBF LTC6995HDCB-1#TRPBF LTC6995HDCB-2#PBF LTC6995HDCB-2#TRMPBF LTC6995HDCB-2#TRPBF LTC6995HS6-1#PBF LTC6995HS6-1#TRMPBF LTC6995HS6-1#TRPBF LTC6995HS6-2#PBF LTC6995HS6-2#TRMPBF LTC6995HS6-2#TRPBF LTC6995IDCB-1#PBF LTC6995IDCB-1#TRMPBF LTC6995IDCB-1#TRPBF LTC6995IDCB-2#PBF LTC6995IDCB-2#TRMPBF LTC6995IDCB-2#TRPBF LTC6995IS6-1#PBF LTC6995IS6-1#TRMPBF LTC6995IS6-1#TRPBF LTC6995IS6-2#PBF LTC6995IS6-2#TRMPBF LTC6995IS6-2#TRPBF LTC6995MPS6-1#PBF LTC6995MPS6-1#TRMPBF LTC6995MPS6-1#TRPBF LTC6995MPS6-2#PBF LTC6995MPS6-2#TRMPBF LTC6995MPS6-2#TRPBF
Textversion des Dokuments
LTC6995-1/LTC6995-2
e lecTrical characTerisTics The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. Test conditions are V+ = 2.25V to 5.5V, RST = 0V for LTC6995-1, RST = V+ for LTC6995-2, DIVCODE = 0 to 15 (NDIV = 1 to 221), RSET = 50k to 800k, RLOAD = 5k, CLOAD = 5pF unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
tOUT Output Clock Period 1.024m 34,360 Seconds fOUT Output Frequency 29.1µ 977 Hz ∆fOUT Frequency Accuracy (Note 4) 29.1µHz ≤ fOUT ≤ 977Hz ±0.8 ±1.5 % l ±2.2 % ∆fOUT/∆T Frequency Drift Over Temperature l ±0.005 %/°C ∆fOUT/∆V+ Frequency Drift Over Supply V+ = 4.5V to 5.5V l 0.23 0.55 %/V V+ = 2.25V to 4.5V l 0.06 0.16 %/V Long-Term Frequency Stability (Note 11) 90 ppm/√kHr Period Jitter (Note 10) NDIV = 1 15 ppmRMS NDIV = 8 7 ppmRMS BW Frequency Modulation Bandwidth 0.4 • fOUT Hz tS Frequency Change Settling Time (Note 9) 1 Cycle
Analog Inputs
VSET Voltage at SET Pin l 0.97 1.00 1.03 V ∆VSET/∆T VSET Drift Over Temperature l ±75 µV/°C RSET Frequency-Setting Resistor l 50 800 kΩ VDIV DIV Pin Voltage l 0 V+ V ∆VDIV/∆V+ DIV Pin Valid Code Range (Note 5) Deviation from Ideal l ±1.5 % VDIV/V+ = (DIVCODE + 0.5)/16 DIV Pin Input Current l ±10 nA
Power Supply
V+ Operating Supply Voltage Range l 2.25 5.5 V Power-On Reset Voltage l 1.95 V IS Supply Current RL = ∞, RSET = 50k V+ = 5.5V l 135 170 µA V+ = 2.25V l 105 135 µA RL = ∞, RSET = 100k V+ = 5.5V l 100 130 µA V+ = 2.25V l 80 105 µA RL = ∞, RSET = 800k V+ = 5.5V l 65 100 µA V+ = 2.25V l 55 85 µA RL = ∞, ISET = 0µA V+ = 5.5V 60 µA V+ = 2.25V 52 µA 699512fa For more information www.linear.com/LTC6995-1 3 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Typical Application Related Parts
e lecTrical characTerisTics The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. Test conditions are V+ = 2.25V to 5.5V, RST = 0V for LTC6995-1, RST = V+ for LTC6995-2, DIVCODE = 0 to 15 (NDIV = 1 to 221), RSET = 50k to 800k, RLOAD = 5k, CLOAD = 5pF unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
tOUT Output Clock Period 1.024m 34,360 Seconds fOUT Output Frequency 29.1µ 977 Hz ∆fOUT Frequency Accuracy (Note 4) 29.1µHz ≤ fOUT ≤ 977Hz ±0.8 ±1.5 % l ±2.2 % ∆fOUT/∆T Frequency Drift Over Temperature l ±0.005 %/°C ∆fOUT/∆V+ Frequency Drift Over Supply V+ = 4.5V to 5.5V l 0.23 0.55 %/V V+ = 2.25V to 4.5V l 0.06 0.16 %/V Long-Term Frequency Stability (Note 11) 90 ppm/√kHr Period Jitter (Note 10) NDIV = 1 15 ppmRMS NDIV = 8 7 ppmRMS BW Frequency Modulation Bandwidth 0.4 • fOUT Hz tS Frequency Change Settling Time (Note 9) 1 Cycle
Analog Inputs
VSET Voltage at SET Pin l 0.97 1.00 1.03 V ∆VSET/∆T VSET Drift Over Temperature l ±75 µV/°C RSET Frequency-Setting Resistor l 50 800 kΩ VDIV DIV Pin Voltage l 0 V+ V ∆VDIV/∆V+ DIV Pin Valid Code Range (Note 5) Deviation from Ideal l ±1.5 % VDIV/V+ = (DIVCODE + 0.5)/16 DIV Pin Input Current l ±10 nA
Power Supply
V+ Operating Supply Voltage Range l 2.25 5.5 V Power-On Reset Voltage l 1.95 V IS Supply Current RL = ∞, RSET = 50k V+ = 5.5V l 135 170 µA V+ = 2.25V l 105 135 µA RL = ∞, RSET = 100k V+ = 5.5V l 100 130 µA V+ = 2.25V l 80 105 µA RL = ∞, RSET = 800k V+ = 5.5V l 65 100 µA V+ = 2.25V l 55 85 µA RL = ∞, ISET = 0µA V+ = 5.5V 60 µA V+ = 2.25V 52 µA 699512fa For more information www.linear.com/LTC6995-1 3 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Typical Application Related Parts