UTC339

UTC339 QUAD DIFFERENTIAL COMPARATOR DESCRIPTION The UTC339 consists of four independent voltage comparators designed specifically to operate from a single power supply over a wide voltage range. LI NEAR I NTEGRATED CI RCUI T FEATURES *Single or dual supply operation *Wide operating supply range(Vcc=2V~36V) *Input common-mode voltage includes ground *Low supply current drain ICC=0.8mA(Typical) *Open collector outputs for wired and connection *Low input bias current Ibias=25nA(Typical) *Low output saturation voltage *Output compatible with TTL ,DTL, and CMOS logic system DIP-14 ABSOLUTE MAXIMUM RATINGS(Ta=25°C ) Characteristic Supply Voltage Differential input voltage Input Voltage Power Dissipation Operating Temperature Storage Temperature Symbol Vcc VIDiff) VI Pd Topr Tstg ±18 OR 36 36 -0.3~36V 570 0 to +70 -65 to 150 Value Unit V V V mW °C °C ELECTRICAL CHARACTERISTICS Characteristic Input offset voltage Input offset current Input Bias current Input Common-mode voltage range Supply Current Large signal Voltage Gain Large signal response time Response time Output sink current Output saturation voltage output leakage current Differential input voltage (Vcc=5.0V, Ta=25k,All voltage referenced to GND unless otherwise specified) Symbol VIO IIO Ib VI(R) Icc GV tres tres Isink Vsat Ileakage VI(diff) Test Condition VCM=0 to Vcc-1.5 Vo(p)=1.4V,Rs=0 Min Typ. ±1.5 ±2.3 57 Max ±5.0 ±50 250 Vcc1.5 2.0 Unit mV nA nA V mA V/mV ns ns mA mV mA V 0 RL=∞ Vcc=15V,RL>15kΩ Vi=TTL logic wing Vref=1.4V,VRL=5V,RL=5.1kΩ VRL=5V,RL=5.1kΩ Vi(-)>1V,Vi(+)=0V,Vo(p)1V,Vi(+)=0V,Isink=4mA VI(+)=1V,VI(-)=0 1.1 200 350 1400 18 400 40 50 6 140 20 36 YOUW ANG ELECTRONI CO. CS LTD 1 UTC339 BLOCK DIAGRAM Only one section T9 D2 D1 D3 D4 T2 T1 T3 T4 T8 T10 R2 LI NEAR I NTEGRATED CI RCUI T Vcc T11 OUT 2 1 14 OUT 3 OUT 1 2 13 OUT 4 IN (-) Vcc 3 12 GND OUT T12 T7 D5 R1 D6 IN 1(-) 4 11 IN 4(+) IN (+) IN 1(+) 5 10 IN 4(-) IN 2(-) 6 9 IN 3(+) T5 T6 GND IN 2(+) 7 8 IN 3(-) YOUW ANG ELECTRONI CO. CS LTD 2 UTC339 Fig.1 supply current 2.2 LI NEAR I NTEGRATED CI RCUI T Fig.2 Input current 110 100 Ta=-40k Ta=-25k Ta=25k Ta=70k TYPICAL CHARACTERISTICS PERFORMANCE supply current (mA) Ta=-40k 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 5 10 15 Input current (mA) Ta=-25k Ta=25k 90 80 70 60 50 40 30 20 10 Ta=70k RL=∞ Vcm=0VDC Rcm=1G 0 5 10 15 20 25 30 35 40 20 25 30 35 40 Supply voltage (V) Supply current (V) Fig.3 Output saturation voltage 1 10 Fig.4 Reponse time for various input overdrive negative transition input voltage (mV) Ta=25k 0 -100 1 saturation voltage(V) -1 10 -2 10 Ta=25k -3 10 -2 10 -1 10 output voltage (V) Ta=85k 6.0 4.0 2.0 50mV 20mV input overdrive Ta=-40k 5.0mV 1 1 10 Fig.4 Reponse time for 0 various input overdrive 2 0 0.4 10 negative transition 0.8 1.2 1.6 Output sink current (mA) (µs) Fig.4 Reponse time for various input overdrive positive transition Input voltage (mV) Ta=25k 100 0 Output voltage (V) 6.0 Input overdrive 4.0 50mV 2.0 0 0 0.4 20mV 5.0mV (µs) 0.8 1.2 1.6 YOUW ANG ELECTRONI CO. CS LTD 3 UTC339 Fig.7 Input Voltage (V) LI NEAR I NTEGRATED CI RCUI T Fig.8 voltage Follower pulse response (small signal) 450 3 2 1 0 RL=2k Vcc=15V 400 Output voltgae (V) 20 30 Time (µs) 40 Output Voltage (V) 350 3 2 1 0 0 10 50 300 275 0 1 2 3 4 Time (µs) 5 6 7 8 9 Fig.9 Large signal Frequency Response 8 7 Fig.10 Output Characteristics current sourcing Ta=25k Output swing (Vp-p) 100k +15V 1k Vi +7V 2k Output refference Vcc (V) 15 6 Vcc 5 4 Vcc/2 Vo Io 10 5 3 2 0 10 3 1 10 4 10 5 10 6 10 -3 10 -2 10 -1 1 10 10 2 Frequency (Hz) Output Source current (mA) Fig.12 Current Limiting Fig.11 Output Characteristics Current sinking 10 60 1 Output Voltage (V) Output Current (mA) 2 40 Vcc=+5V -1 Vcc=+15V Vcc/2 10 Vcc Vo Io Vcc=+30V 20 10 -3 10 -2 10 -1 0 -50 -25 1 10 10 0 25 50 75 100 Output Sink Current (mA) Temperature (k) YOUW ANG ELECTRONI CO. CS LTD 4