Click to expand full text
UAA4000
REMOTE CONTROL TRANSMITTER
. ULTRASONIC OR INFRA-RED TRANSMISSION
. DIRECT DRIVE FOR ULTRASONIC TRANSDUCER
. DIRECT DRIVE OF VISIBLE LED WHEN USING INFRA-RED
. VERY LOW POWER REQUIREMENTS . PULSE POSITION MODULATION GIVES EX-
CELLENT IMMUNITY FROM NOISE AND MULTIPATH REFLECTIONS
. SINGLE POLE KEY MATRIX . SWITCH RESISTANCE UP TO 1kΩ TOLER-
ATED
. FEW EXTERNAL COMPONENTS . ANTI-BOUNCE CIRCUITRY ON CHIP
QUICK REFERENCE DATA
. POWER SUPPLY : 9 V, STANDBY 6 µA, OPERATING 8 mA
. MODULATION : PULSE POSITION WITH OR WITHOUT CARRIER
. CODING : 5 BITS WORD GIVING A PRIMARY COMMAND SET OF 32 COMMANDS
. KEY ENTRY : 8 x 4 SINGLE POLE KEY MATRIX
. DATE RATE : SELECTABLE 1 BIT/SEC TO 10 K BIT/SEC
.