LTC6992-1/LTC6992-2/
LTC6992-3/LTC6992-4
3
69921234fc
orDer inForMaTion
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.
elecTrical characTerisTics
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
l
±0.8
±1.7
±2.4
%
fOUT/T
Frequency Drift Over Temperature
l
±0.005
%/°C
fOUT/V+ Frequency Drift Over Supply
V+ = 4.5V to 5.5V
V+ = 2.25V to 4.5V
l
0.25
0.08
0.65
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
0.07
%P-P
%RMS
NDIV = 16
0.15
0.022
%P-P
%RMS
Pulse Width Modulation
D
PWM Duty Cycle Accuracy
VMOD = 0.2 VSET to 0.8 VSET
VMOD < 0.2 VSET or VMOD > 0.8 VSET
l
±3.0
±3.7
±4.5
±4.9
%
DMAX
Maximum Duty Cycle Limit
LTC6992-1/LTC6992-4, POL = 0, VMOD = 1V l
100
%
LTC6992-2/LTC6992-3, POL = 0, VMOD = 1V l
90.5
95
99
%
DMIN
Minimum Duty Cycle Limit
LTC6992-1/LTC6992-3, POL = 0, VMOD = 0V l
0
%
LTC6992-2/LTC6992-4, POL = 0, VMOD = 0V l
1
5
9.5
%
tS,PWM
Duty Cycle Settling Time (Note 6)
tMASTER = tOUT/NDIV
8tMASTER
s
Lead Free Finish
TAPE AND REEL (MINI)
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
SPECIFIED TEMPERATURE RANGE
LTC6992CDCB-4#TRMPBF LTC6992CDCB-4#TRPBF
LFCR
6-Lead (2mm
× 3mm) Plastic DFN
0°C to 70°C
LTC6992IDCB-4#TRMPBF LTC6992IDCB-4#TRPBF
LFCR
6-Lead (2mm
× 3mm) Plastic DFN
–40°C to 85°C
LTC6992HDCB-4#TRMPBF LTC6992HDCB-4#TRPBF
LFCR
6-Lead (2mm
× 3mm) Plastic DFN
–40°C to 125°C
LTC6992CS6-4#TRMPBF
LTC6992CS6-4#TRPBF
LTFCS
6-Lead Plastic TSOT-23
0°C to 70°C
LTC6992IS6-4#TRMPBF
LTC6992IS6-4#TRPBF
LTFCS
6-Lead Plastic TSOT-23
–40°C to 85°C
LTC6992HS6-4#TRMPBF
LTC6992HS6-4#TRPBF
LTFCS
6-Lead Plastic TSOT-23
–40°C to 125°C
LTC6992MPS6-1#TRMPBF LTC6992MPS6-1#TRPBF
LTDXB
6-Lead Plastic TSOT-23
–55°C to 125°C
LTC6992MPS6-2#TRMPBF LTC6992MPS6-2#TRPBF
LTDXD
6-Lead Plastic TSOT-23
–55°C to 125°C
LTC6992MPS6-3#TRMPBF LTC6992MPS6-3#TRPBF
LTFCQ
6-Lead Plastic TSOT-23
–55°C to 125°C
LTC6992MPS6-4#TRMPBF LTC6992MPS6-4#TRPBF
LTFCS
6-Lead Plastic TSOT-23
–55°C to 125°C
TRM = 500 pieces. *Temperature grades are identified by a label on the shipping container.
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Consult LTC Marketing for information on lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/