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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=25C )
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
(Vcc=5.0V, Ta=25k,All voltage referenced to GND unless otherwise specified)
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
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>15k Vi=TTL logic wing Vref=1.4V,VRL=5V,RL=5.1k VRL=5V,RL=5.1k Vi(-)>1V,Vi(+)=0V,Vo(p)<1.5V Vi(-)>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
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UTC339
Fig.1 supply current
2.2
LI NEAR I NTEGRATED CI RCUI T
Fig.2 Input current
110 Ta=-40k 100 Ta=-40k
TYPICAL CHARACTERISTICS PERFORMANCE
supply current (mA)
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)
90 80 70 Ta=25k 60 50 40 30 Vcm=0VDC Rcm=1G 0 5 10 15 20 25 30 35 40 Ta=70k Ta=-25k
Ta=-25k Ta=25k
Ta=70k
RL=
20 10 30 35 40
20
25
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=-40k Ta=25k -3 10 -2 10 -1 10 1 1 10
output voltage (V)
Ta=85k
6.0 4.0 2.0 50mV 20mV
input overdrive
5.0mV
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)
(s)
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 0.8 1.2 1.6 20mV 5.0mV
(s)
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 (s) 40
Output Voltage (V)
350
3 2 1 0 0 10 50
300 275 0
1
2
3
4
5
6
7
8
9
Time (s)
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)
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