Datasheet LTC6991 (Analog Devices) - 8

LTC6991
PIN FUNCTIONS (DCB/S6) GND (Pin 5/Pin 2):
Ground. Tie to a low inductance 30Ω. When driving an LED or other low impedance load ground plane for best performance. a series output resistor should be used to limit source/
OUT (Pin 6/Pin 6):
Oscillator Output. The OUT pin swings sink current to 20mA. from GND to V+ with an output resistance of approximately
BLOCK DIAGRAM (S6 package pin numbers shown)
5 V+ R1 POL BIT DIV 4-BIT A/D DIGITAL 4 CONVERTER FILTER R2 OUTPUT OUT 6 V+ POLARITY tOUT MASTER OSCILLATOR 1µs V D Q t SET = MCLK FIXED MASTER = PROGRAMMABLE 50kΩ ISET DIVIDER DIVIDER ÷ 1024 R ÷1, 8, 64, 512 4096, 215, 218, 221 INPUT HALT OSCILLATOR POR POLARITY IF ISET < 500nA ISET + – + VSET = 1V – 1V SET GND RST 3 2 1 6991 BD ISET RSET Rev. D 8 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