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LTC1799IS5#TRPBF

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Analog Devices Timers / Counters, TSOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Contents

README

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LTC1799IS5#TRPBF

Analog Devices · Timers / Counters · TSOT-23-5

LTC1799IS5#TRPBF from Analog Devices, in a TSOT-23-5. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 V+ power_in Voltage supply with a 2.7V to 5.5V range that must be kept free from noise and ripple and bypassed directly to a ground plane with a 0.1µF capacitor.
2 GND power_in Ground pin that should be tied to a ground plane for best performance.
3 SET input Frequency-setting resistor input where the resistor between SET and V+ sets the oscillator frequency; use a precision metal film resistor between 10k and 200k and limit the capacitance on this pin to less than 10pF.
4 DIV input Three-state divider-setting input: tie to GND for ÷1, float for ÷10, or tie to V+ for ÷100, and bypass a floating pin with 1nF to ground or shield it from coupling.
5 OUT output Oscillator output that can drive 5kΩ and/or 10pF loads, with current into or out of the pin limited to 50mA to avoid latchup.

Key specifications

Parameter Value
Manufacturer Analog Devices
Package TSOT-23-5
Category Clock/Timing
Pins 5

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Operating temperature range (LTC1799I grade) TA -40 85 °C LTC1799I 2
Operating Supply Range V+ 2.7 5.5 V 3
Supply Voltage (V+) to GND V+ -0.3 6 V 2
DIV to GND (max printed as V+ + 0.3V) DIV -0.3 V 2
SET to GND (max printed as V+ + 0.3V) SET -0.3 V 2
Storage Temperature Range TSTG -65 150 °C 2
Lead Temperature (Soldering) TLEAD 300 °C 10 sec soldering 2
Thermal resistance, junction to ambient θJA 256 °C/W 2
RSET Frequency-Setting Resistor Range RSET 5 200 kΩ /∆f/ < 1.5%, V+ = 5V 3
RSET Frequency-Setting Resistor Range RSET 10 200 kΩ /∆f/ < 1.5%, V+ = 3V 3
Maximum Frequency fMAX 33 MHz /∆f/ < 2.5%, Pin 4 = 0V, V+ = 5V 3
Maximum Frequency fMAX 20 MHz /∆f/ < 2.5%, Pin 4 = 0V, V+ = 3V 3
Minimum Frequency fMIN 1 kHz /∆f/ < 2.5%, Pin 4 = V+ 3
Freq Drift Over Temp ∆f/∆T -0.004 0.004 %/°C RSET = 31.6k 3
Freq Drift Over Supply ∆f/∆V 0.05 0.1 %/V V+ = 3V to 5V, RSET = 31.6k 3
Timing Jitter 0.06 % Pin 4 = V+ 3
Timing Jitter 0.13 % Pin 4 = Open 3
Timing Jitter 0.4 % Pin 4 = 0V 3
Long-Term Stability of Output Frequency 300 ppm/√kHr 3
Duty Cycle 49 50 51 % Pin 4 = V+ or Open (DIV Either by 100 or 10) 3
Duty Cycle 45 50 55 % Pin 4 = 0V (DIV by 1), RSET = 5k to 200k 3
Power Supply Current IS 0.7 1.1 mA RSET = 200k, Pin 4 = V+, RL = ∞, V+ = 5V 3
Power Supply Current IS 2.4 mA RSET = 10k, Pin 4 = 0V, RL = ∞, V+ = 5V 3
Power Supply Current IS 2 mA RSET = 10k, Pin 4 = 0V, RL = ∞, V+ = 3V 3
Low Level DIV Input Voltage VIL 0.5 V 3
DIV Input Current IDIV -8 -5 µA Pin 4 = V+, V+ = 5V 3
DIV Input Current IDIV 5 8 µA Pin 4 = 0V, V+ = 5V 3
High Level Output Voltage VOH 4.8 4.95 V V+ = 5V, LTC1799C/I, IOH = -1mA 4
High Level Output Voltage VOH 4.5 4.8 V V+ = 5V, LTC1799C/I, IOH = -4mA 4
High Level Output Voltage VOH 2.7 2.9 V V+ = 3V, LTC1799C/I, IOH = -1mA 4
High Level Output Voltage VOH 2.2 2.6 V V+ = 3V, LTC1799C/I, IOH = -4mA 4
Low Level Output Voltage VOL 0.05 0.15 V V+ = 5V, LTC1799C/I, IOL = 1mA 4
Low Level Output Voltage VOL 0.2 0.4 V V+ = 5V, LTC1799C/I, IOL = 4mA 4
Low Level Output Voltage VOL 0.1 0.3 V V+ = 3V, LTC1799C/I, IOL = 1mA 4
Low Level Output Voltage VOL 0.4 0.7 V V+ = 3V, LTC1799C/I, IOL = 4mA 4
OUT Rise Time tr 14 ns V+ = 5V, Pin 4 = V+ or Floating, RL = ∞ 4
OUT Rise Time tr 7 ns V+ = 5V, Pin 4 = 0V, RL = ∞ 4
OUT Rise Time tr 19 ns V+ = 3V, Pin 4 = V+ or Floating, RL = ∞ 4
OUT Rise Time tr 11 ns V+ = 3V, Pin 4 = 0V, RL = ∞ 4
OUT Fall Time tf 13 ns V+ = 5V, Pin 4 = V+ or Floating, RL = ∞ 4
OUT Fall Time tf 6 ns V+ = 5V, Pin 4 = 0V, RL = ∞ 4
OUT Fall Time tf 19 ns V+ = 3V, Pin 4 = V+ or Floating, RL = ∞ 4
OUT Fall Time tf 10 ns V+ = 3V, Pin 4 = 0V, RL = ∞ 4

CAD (KiCad official)

  • Symbol: LTC1799IS5#TRPBF
  • Footprint: Package_TO_SOT_SMD:TSOT-23-5
  • 3D model: TSOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: ltc1799is5-trpbf-etched.step / ltc1799is5-trpbf-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ltc1799is5-trpbf.step / ltc1799is5-trpbf.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Analog Devices datasheet (14 pp, sha256 ce4553360ca47502, retrieved 2026-10-19, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF