LTC1799
2
1799fc
pin conFiguraTion
absoluTe MaxiMuM raTings
Supply Voltage (V+) to GND ......................... –0.3V to 6V
DIV to GND .....................................–0.3V to (V+ + 0.3V)
SET to GND.....................................–0.3V to (V+ + 0.3V)
Operating Temperature Range
LTC1799C ................................................ 0°C to 70°C
LTC1799I .............................................–40°C to 85°C
LTC1799H .......................................... –40°C to 125°C
Storage Temperature Range .................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec)...................300°C
(Note 1)
TOP VIEW
S5 PACKAGE
5-LEAD PLASTIC TSOT-23
1
2
3
V+
GND
SET
5
4
OUT
DIV
TJMAX = 125°C, θJA = 256°C/W
orDer inForMaTion
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC1799CS5#PBF
LTC1799CS5#TRPBF
LTND
5-Lead Plastic TSOT-23
0°C to 70°C
LTC1799IS5#PBF
LTC1799IS5#TRPBF
LTNE
5-Lead Plastic TSOT-23
–40°C to 85°C
LTC1799HS5#PBF
LTC1799HS5#TRPBF
LTND
5-Lead Plastic TSOT-23
–40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard 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/
elecTrical characTerisTics
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
f
Frequency Accuracy
(Notes 2, 3)
V+ = 5V
5kHz ≤ f ≤ 20MHz
5kHz ≤ f ≤ 20MHz, LTC1799C
5kHz ≤ f ≤ 20MHz, LTC1799I/H
1kHz ≤ f ≤ 5kHz
20MHz ≤ f ≤ 33MHz
l
±0.5
±2.5
±1.5
±2
±2.5
%
V+ = 3V
5kHz ≤ f ≤ 10MHz
5kHz ≤ f ≤ 10MHz, LTC1799C
5kHz ≤ f ≤ 10MHz, LTC1799I/H
1kHz ≤ f ≤ 5kHz
10MHz ≤ f ≤ 20MHz
l
±0.5
±2.5
±1.5
±2
±2.5
%
RSET
Frequency-Setting Resistor Range
|f| < 1.5%
V+ = 5V
V+ = 3V
5
10
200
kΩ
fMAX
Maximum Frequency
|f| < 2.5%, Pin 4 = 0V
V+ = 5V
V+ = 3V
33
20
MHz
fMIN
Minimum Frequency
|f| < 2.5%, Pin 4 = V+
1
kHz
f/T
Freq Drift Over Temp (Note 3)
RSET = 31.6k
l
±0.004
%/°C
f/V
Freq Drift Over Supply (Note 3)
V+ = 3V to 5V, RSET = 31.6k
l
0.05
0.1
%/V
Timing Jitter
(Note 4)
Pin 4 = V+
Pin 4 = Open
Pin 4 = 0V
0.06
0.13
0.4
%
Long-Term Stability of Output Frequency
300
ppm/√kHr
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. V+ = 2.7V to 5.5V, RL = 5k, CL = 5pF, unless otherwise noted. All
voltages are with respect to GND.