Datasheet LTC6992-1, LTC6992-2, LTC6992-3, LTC6992-4 (Analog Devices) - 4
| 制造商 | Analog Devices |
| 描述 | TimerBlox: Voltage-Controlled Pulse Width Modulator (PWM) |
| 页数 / 页 | 34 / 4 — ELECTRICAL CHARACTERISTICS The. denotes the specifications which apply … |
| 文件格式/大小 | PDF / 1.4 Mb |
| 文件语言 | 英语 |
ELECTRICAL CHARACTERISTICS The. denotes the specifications which apply over the full operating
该数据表的模型线
- LTC6992CDCB-1#TRMPBF LTC6992CDCB-1#TRPBF LTC6992CS6-1#TRMPBF LTC6992CS6-1#TRPBF LTC6992HDCB-1#TRMPBF LTC6992HDCB-1#TRPBF LTC6992HS6-1#TRMPBF LTC6992HS6-1#TRPBF LTC6992HS6-1#WTRMPBF LTC6992HS6-1#WTRPBF LTC6992IDCB-1#TRMPBF LTC6992IDCB-1#TRPBF LTC6992IS6-1#TRMPBF LTC6992IS6-1#TRPBF LTC6992IS6-1#WTRMPBF LTC6992IS6-1#WTRPBF LTC6992MPS6-1#TRMPBF LTC6992MPS6-1#TRPBF
- LTC6992CDCB-2#TRMPBF LTC6992CDCB-2#TRPBF LTC6992CS6-2#TRMPBF LTC6992CS6-2#TRPBF LTC6992HDCB-2#TRMPBF LTC6992HDCB-2#TRPBF LTC6992HS6-2#TRMPBF LTC6992HS6-2#TRPBF LTC6992HS6-2#WTRMPBF LTC6992HS6-2#WTRPBF LTC6992IDCB-2#TRMPBF LTC6992IDCB-2#TRPBF LTC6992IS6-2#TRMPBF LTC6992IS6-2#TRPBF LTC6992IS6-2#WTRMPBF LTC6992IS6-2#WTRPBF LTC6992MPS6-2#TRMPBF LTC6992MPS6-2#TRPBF
- LTC6992CDCB-3#TRMPBF LTC6992CDCB-3#TRPBF LTC6992CS6-3#TRMPBF LTC6992CS6-3#TRPBF LTC6992HDCB-3#TRMPBF LTC6992HDCB-3#TRPBF LTC6992HS6-3#TRMPBF LTC6992HS6-3#TRPBF LTC6992HS6-3#WTRMPBF LTC6992HS6-3#WTRPBF LTC6992IDCB-3#TRMPBF LTC6992IDCB-3#TRPBF LTC6992IS6-3#TRMPBF LTC6992IS6-3#TRPBF LTC6992IS6-3#WTRMPBF LTC6992IS6-3#WTRPBF LTC6992MPS6-3#TRMPBF LTC6992MPS6-3#TRPBF
- LTC6992CDCB-4#TRMPBF LTC6992CDCB-4#TRPBF LTC6992CS6-4#TRMPBF LTC6992CS6-4#TRPBF LTC6992HDCB-4#TRMPBF LTC6992HDCB-4#TRPBF LTC6992HS6-4#TRMPBF LTC6992HS6-4#TRPBF LTC6992HS6-4#WTRMPBF LTC6992HS6-4#WTRPBF LTC6992IDCB-4#TRMPBF LTC6992IDCB-4#TRPBF LTC6992IS6-4#TRMPBF LTC6992IS6-4#TRPBF LTC6992IS6-4#WTRMPBF LTC6992IS6-4#WTRPBF LTC6992MPS6-4#TRMPBF LTC6992MPS6-4#TRPBF
文件文字版本
LTC6992-1/LTC6992-2/ LTC6992-3/LTC6992-4
ELECTRICAL 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, VMOD = 0V to VSET, DIVCODE = 0 to 15 (NDIV = 1 to 16,384), RSET = 50k to 800k, RLOAD = 5k, CLOAD = 5pF unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Oscillation Frequency
fOUT Output Frequency 3.81 1000000 Hz ∆fOUT Frequency Accuracy (Note 4) 3.81Hz ≤ fOUT ≤ 1MHz ±0.8 ±1.7 % l ±2.4 % ∆fOUT/∆T Frequency Drift Over Temperature l ±0.005 %/°C ∆fOUT/∆V+ Frequency Drift Over Supply V+ = 4.5V to 5.5V l 0.25 0.65 %/V V+ = 2.25V to 4.5V l 0.08 0.18 %/V Long-Term Frequency Stability (Note 10) 90 ppm/√kHr Period Jitter (Note 9) NDIV = 1 1.2 %P-P NDIV = 4 0.4 %P-P 0.07 %RMS NDIV = 16 0.15 %P-P 0.022 %RMS
Pulse Width Modulation
∆D PWM Duty Cycle Accuracy VMOD = 0.2 • VSET to 0.8 • VSET ±3.0 ±3.7 % VMOD = 0.2 • VSET to 0.8 • VSET l ±4.5 % VMOD < 0.2 • VSET or VMOD > 0.8 • VSET l ±4.9 % DMAX Maximum Duty Cycle Limit LTC6992-1/LTC6992-4, POL = 0, VMOD = l 100 % 1V LTC6992-2/LTC6992-3, POL = 0, VMOD = l 90.5 95 99 % 1V DMIN Minimum Duty Cycle Limit LTC6992-1/LTC6992-3, POL = 0, VMOD = l 0 % 0V LTC6992-2/LTC6992-4, POL = 0, VMOD = l 1 5 9.5 % 0V tS,PWM Duty Cycle Settling Time (Note 6) tMASTER = tOUT/NDIV 8•tMASTER µs
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 365 450 µA NDIV = 1 V+ = 2.25V l 225 285 µA RL = ∞, RSET = 50k, V+ = 5.5V l 350 420 µA NDIV = 4 V+ = 2.25V l 225 280 µA RL = ∞, RSET = 50k, V+ = 5.5V l 325 390 µA NDIV ≥ 16 V+ = 2.25V l 215 265 µA RL = ∞, RSET = 800k, V+ = 5.5V l 120 170 µA NDIV = 1 to 16,384 V+ = 2.25V l 105 150 µA Rev. D 4 For more information www.analog.com 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
ELECTRICAL 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, VMOD = 0V to VSET, DIVCODE = 0 to 15 (NDIV = 1 to 16,384), RSET = 50k to 800k, RLOAD = 5k, CLOAD = 5pF unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Oscillation Frequency
fOUT Output Frequency 3.81 1000000 Hz ∆fOUT Frequency Accuracy (Note 4) 3.81Hz ≤ fOUT ≤ 1MHz ±0.8 ±1.7 % l ±2.4 % ∆fOUT/∆T Frequency Drift Over Temperature l ±0.005 %/°C ∆fOUT/∆V+ Frequency Drift Over Supply V+ = 4.5V to 5.5V l 0.25 0.65 %/V V+ = 2.25V to 4.5V l 0.08 0.18 %/V Long-Term Frequency Stability (Note 10) 90 ppm/√kHr Period Jitter (Note 9) NDIV = 1 1.2 %P-P NDIV = 4 0.4 %P-P 0.07 %RMS NDIV = 16 0.15 %P-P 0.022 %RMS
Pulse Width Modulation
∆D PWM Duty Cycle Accuracy VMOD = 0.2 • VSET to 0.8 • VSET ±3.0 ±3.7 % VMOD = 0.2 • VSET to 0.8 • VSET l ±4.5 % VMOD < 0.2 • VSET or VMOD > 0.8 • VSET l ±4.9 % DMAX Maximum Duty Cycle Limit LTC6992-1/LTC6992-4, POL = 0, VMOD = l 100 % 1V LTC6992-2/LTC6992-3, POL = 0, VMOD = l 90.5 95 99 % 1V DMIN Minimum Duty Cycle Limit LTC6992-1/LTC6992-3, POL = 0, VMOD = l 0 % 0V LTC6992-2/LTC6992-4, POL = 0, VMOD = l 1 5 9.5 % 0V tS,PWM Duty Cycle Settling Time (Note 6) tMASTER = tOUT/NDIV 8•tMASTER µs
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 365 450 µA NDIV = 1 V+ = 2.25V l 225 285 µA RL = ∞, RSET = 50k, V+ = 5.5V l 350 420 µA NDIV = 4 V+ = 2.25V l 225 280 µA RL = ∞, RSET = 50k, V+ = 5.5V l 325 390 µA NDIV ≥ 16 V+ = 2.25V l 215 265 µA RL = ∞, RSET = 800k, V+ = 5.5V l 120 170 µA NDIV = 1 to 16,384 V+ = 2.25V l 105 150 µA Rev. D 4 For more information www.analog.com 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