Datasheet LTC6991 (Analog Devices) - 10
| Manufacturer | Analog Devices |
| Description | TimerBlox: Resettable, Low Frequency Oscillator |
| Pages / Page | 24 / 10 — OPERATION. Table 1. DIVCODE Programming. DIVCODE. POL. NDIV. RECOMMENDED … |
| File Format / Size | PDF / 322 Kb |
| Document Language | English |
OPERATION. Table 1. DIVCODE Programming. DIVCODE. POL. NDIV. RECOMMENDED tOUT. R1 (kΩ). R2 (kΩ). VDIV/V+
Model Line for this Datasheet
- LTC6991CDCB#PBF LTC6991CDCB#TRMPBF LTC6991CDCB#TRPBF LTC6991CS6#PBF LTC6991CS6#TRMPBF LTC6991CS6#TRPBF LTC6991HDCB#PBF LTC6991HDCB#TRMPBF LTC6991HDCB#TRPBF LTC6991HS6#PBF LTC6991HS6#TRMPBF LTC6991HS6#TRPBF LTC6991IDCB#PBF LTC6991IDCB#TRMPBF LTC6991IDCB#TRPBF LTC6991IS6#PBF LTC6991IS6#TRMPBF LTC6991IS6#TRPBF LTC6991MPS6#PBF LTC6991MPS6#TRMPBF LTC6991MPS6#TRPBF
Text Version of Document
LTC6991
OPERATION Table 1. DIVCODE Programming DIVCODE POL NDIV RECOMMENDED tOUT R1 (kΩ) R2 (kΩ) VDIV/V+
0 0 1 1.024ms to 16.384ms Open Short ≤0.03125 ±0.015 1 0 8 8.192ms to 131ms 976 102 0.09375 ±0.015 2 0 64 65.5ms to 1.05sec 976 182 0.15625 ±0.015 3 0 512 524ms to 8.39sec 1000 280 0.21875 ±0.015 4 0 4,096 4.19sec to 67.1sec 1000 392 0.28125 ±0.015 5 0 32,768 33.6sec to 537sec 1000 523 0.34375 ±0.015 6 0 262,144 268sec to 4,295sec 1000 681 0.40625 ±0.015 7 0 2,097,152 2,147sec to 34,360sec 1000 887 0.46875 ±0.015 8 1 2,097,152 2,147sec to 34,360sec 887 1000 0.53125 ±0.015 9 1 262,144 268sec to 4,295sec 681 1000 0.59375 ±0.015 10 1 32,768 33.6sec to 537sec 523 1000 0.65625 ±0.015 11 1 4,096 4.19sec to 67.1sec 392 1000 0.71875 ±0.015 12 1 512 524ms to 8.39sec 280 1000 0.78125 ±0.015 13 1 64 65.5ms to 1.05sec 182 976 0.84375 ±0.015 14 1 8 8.192ms to 131ms 102 976 0.90625 ±0.015 15 1 1 1.024ms to 16.384ms Short Open ≥0.96875 ±0.015 POL BIT = 0 POL BIT = 1 10000 7 8 1000 6 9 100 5 10 4 11 10 3 12 (SECONDS) 1 t OUT 2 13 0.1 1 14 0.01 0 15 0.001 0.5•V+ V+ 0V INCREASING VDIV 6991 F02
Figure 2. Frequency Range and POL Bit vs DIVCODE
6991fc 10 For more information www.linear.com/LTC6991 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
OPERATION Table 1. DIVCODE Programming DIVCODE POL NDIV RECOMMENDED tOUT R1 (kΩ) R2 (kΩ) VDIV/V+
0 0 1 1.024ms to 16.384ms Open Short ≤0.03125 ±0.015 1 0 8 8.192ms to 131ms 976 102 0.09375 ±0.015 2 0 64 65.5ms to 1.05sec 976 182 0.15625 ±0.015 3 0 512 524ms to 8.39sec 1000 280 0.21875 ±0.015 4 0 4,096 4.19sec to 67.1sec 1000 392 0.28125 ±0.015 5 0 32,768 33.6sec to 537sec 1000 523 0.34375 ±0.015 6 0 262,144 268sec to 4,295sec 1000 681 0.40625 ±0.015 7 0 2,097,152 2,147sec to 34,360sec 1000 887 0.46875 ±0.015 8 1 2,097,152 2,147sec to 34,360sec 887 1000 0.53125 ±0.015 9 1 262,144 268sec to 4,295sec 681 1000 0.59375 ±0.015 10 1 32,768 33.6sec to 537sec 523 1000 0.65625 ±0.015 11 1 4,096 4.19sec to 67.1sec 392 1000 0.71875 ±0.015 12 1 512 524ms to 8.39sec 280 1000 0.78125 ±0.015 13 1 64 65.5ms to 1.05sec 182 976 0.84375 ±0.015 14 1 8 8.192ms to 131ms 102 976 0.90625 ±0.015 15 1 1 1.024ms to 16.384ms Short Open ≥0.96875 ±0.015 POL BIT = 0 POL BIT = 1 10000 7 8 1000 6 9 100 5 10 4 11 10 3 12 (SECONDS) 1 t OUT 2 13 0.1 1 14 0.01 0 15 0.001 0.5•V+ V+ 0V INCREASING VDIV 6991 F02
Figure 2. Frequency Range and POL Bit vs DIVCODE
6991fc 10 For more information www.linear.com/LTC6991 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
