LT1319CS Linear Technology, LT1319CS Datasheet
![no-image](/images/manufacturer_photos/0/3/388/linear_technology_sml.jpg)
LT1319CS
Specifications of LT1319CS
Available stocks
Related parts for LT1319CS
LT1319CS Summary of contents
Page 1
... A power saving shutdown feature is useful in portable applications. For IRDA 4PPM contact the LTC Marketing Department. , LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. IRDA and Sharp/Newton Data Receiver ...
Page 2
... Out of Pin 10 (Note 4) ΔV (Pin 7) = – 200mV, 0.1mA Out of Pin 13 (Note 4) ΔV (Pin 9) = 200mV, 800μA Into Pin 10 ΔV (Pin 7) = 200mV, 800μA Into Pin TOP VIEW ORDER PART NUMBER 1 16 BYPASS LT1319CS 3 14 SHDN 4 13 DATAL 5 12 DIG_GND ...
Page 3
ELECTRICAL C HARA TERISTICS 25° SYMBOL PARAMETER Threshold Transimpedance V Threshold External Voltage TH V Shutdown Input High Voltage IH V ...
Page 4
LT1319 W U TYPICAL PERFORMANCE CHARACTERISTICS Preamp Frequency Response vs Input Capacitance 25° 50pF 1 0 –1 10pF 30pF –2 –3 –4 –5 100k 1M 10M 100M FREQUENCY (Hz) 1319 G01 Preamp Output ...
Page 5
W BLOCK DIAGRA DS2 AN_GND 1 DS1 R FB 15k IPD IN – 2 PHOTO- PREAMP DIODE 10k V BIAS + 1 GM1 FILT1 + – 10nF PREOUT 4 V ...
Page 6
LT1319 U U APPLICATIONS INFORMATION Layout and Passive Components The LT1319 requires careful layout techniques to minimize parasitic signal coupling to the preamp input. A sample board layout for the circuit on the first page is shown in the Typical ...
Page 7
U U APPLICATIONS INFORMATION tion, the loops around the gain stages provide an accurate DC threshold setting for the comparators. At DC, the loops force the differential voltages at the output of the gain stages to zero. The comparator threshold ...
Page 8
LT1319 U U APPLICATIONS INFORMATION interaction. Overshoot becomes especially important for high input levels because it can cause false pulses which may not be tolerated in certain modulation schemes also more of a problem in modulation schemes such ...
Page 9
U U APPLICATIONS INFORMATION first trace in the photograph shows the current with the photodiode 10cm from a source with 100mW/sr intensity. At 200mV/div, there is about 40μA of peak current and the decay is consistent with the 210ns time ...
Page 10
LT1319 U U APPLICATIONS INFORMATION current through R which 15kΩ = 182μA where V = 1.9V. At this new level BIAS (0.335V/15kΩ = 22.3μA), Q1 turns on which clamps the preamp output. The collector current of ...
Page 11
... COMPONENT Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights. IRDA-SIR/FIR and Sharp or TV Remote Data Receiver ...
Page 12
... Gain Bandwidth, External Comp Pin V : 499-3977 0.386 – 0.394* (9.804 – 10.008 0.150 – 0.157** (3.810 – 3.988 0.004 – 0.010 (0.101 – 0.254) 0.050 (1.270) TYP S16 0695 LT 0307 REV B • PRINTED IN USA © LINEAR TECHNOLOGY CORPORATION 1995 1319fb ...