Data Sheet
LOW POWER LOW OFFSET VOLTAGE QUAD COMPARATORS
General Description
The AS339/339A consist of four independent preci-
sion voltage comparators with a typical offset voltage
of 2.0mV and high gain. They are specifically
designed to operate from a single power supply over
wide range of voltages. Operation from split power
supply is also possible and the low power supply cur-
rent drain is independent of the magnitude of the
power supply voltage.
The AS339/339A series are compatible with industry
standard 339. AS339A has more stringent input offset
voltage than AS339.
The AS339 is available in DIP-14, SOIC-14 and
TSSOP-14 packages, AS339A is available in DIP-14
and SOIC-14 packages
AS339/339A
Features
·
Wide Supply Voltage Range
- Single Supply: 2.0V to 36V
- Dual Supplies:
±1.0V
to
±18V
Low Supply Current Drain: 0.9mA
Low Input Bias Current: 25nA (Typical)
Low Input Offset Current:
±5.0nA
(Typical)
Low Input Offset Voltage: 2.0mV (Typical)
Input Common Mode Voltage Range Includes
Ground
Differential Input Voltage Range Equals to the
Power Supply Voltage
Low Output Saturation Voltage: 200mV at 4mA
Open Collector Output
·
·
·
·
·
·
·
·
Applications
·
·
·
·
·
·
Battery Charger
Cordless Telephone
Switching Power Supply
DC-DC Module
PC Motherboard
Communication Equipment
DIP-14
SOIC-14
TSSOP-14
Figure 1. Package Types of AS339/339A
Aug. 2006 Rev. 1. 6
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BCD Semiconductor Manufacturing Limited
Data Sheet
LOW POWER LOW OFFSET VOLTAGE QUAD COMPARATORS
Pin Configuration
M/P/G Package
SOIC-14/DIP-14/TSSOP-14
OUTPUT 2
OUTPUT 1
V
CC
INPUT 1-
INPUT 1+
INPUT 2-
INPUT 2+
1
2
3
4
5
6
7
14
13
12
11
10
9
8
OUTPUT 3
OUTPUT 4
GND
INPUT 4+
INPUT 4-
INPUT 3+
INPUT 3-
AS339/339A
Figure 2. Pin Configuration of AS339/339A (Top View )
Functional Block Diagram
V
CC
Q2
+INPUT
Q1
Q3
Q4
OUTPUT
-INPUT
Q7
Q8
Q5
Q6
Figure 3. Functional Block Diagram of AS339/339A (Each comparator)
Ordering Information
Circuit Type
Blank: AS339
A: AS339A
AS339
-
E1: Lead Free
Blank: Tin Lead
TR: Tape and Reel
Blank: Tube
Package
M: SOIC-14
P: DIP-14
G: TSSOP-14
BCD Semiconductor Manufacturing Limited
2
Aug. 2006 Rev. 1. 6
Data Sheet
LOW POWER LOW OFFSET VOLTAGE QUAD COMPARATORS
Ordering Information (Continued)
Package
Temperature
Range
Part Number
Tin Lead
AS339M
SOIC-14
-40 to 85
o
C
DIP-14
AS339MTR
Lead Free
AS339M-E1
AS339MTR-E1
AS339AM-E1
AS339AMTR-E1
AS339P
AS339P-E1
AS339AP-E1
AS339G-E1
AS339GTR-E1
AS339P
Marking ID
Tin Lead
AS339M
AS339M
Lead Free
AS339M-E1
AS339M-E1
AS339AM-E1
AS339AM-E1
AS339P-E1
AS339AP-E1
EGS339
EGS339
Packing Type
Tube
Tape & Reel
Tube
Tape & Reel
Tube
Tube
Tube
Tape & Reel
AS339/339A
TSSOP-14
BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant.
Absolute Maximum Ratings (Note 1)
Parameter
Supply Voltage
Differential Input Voltage
Input Voltage
Input Current (V
IN
<-0.3V) (Note 2)
Output Short-Circuit to Ground
Power Dissipation (T
A
=25
o
C)
Operating Junction Temperature
Storage Temperature Range
Lead Temperature (Soldering, 10 Seconds)
P
D
T
J
T
STG
T
LEAD
Symbol
V
CC
V
ID
V
IN
I
IN
DIP-14
SOIC-14
TSSOP-14
150
-65 to 150
260
Value
40
40
-0.3 to 40
50
Continuous
1050
890
790
o
C
o
C
o
C
Unit
V
V
V
mA
mW
Note 1: Stresses greater than those listed under "Absolute Maximum Ratings" may cause permanent damage to the
device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond
those indicated under "Recommended Operating Conditions" is not implied. Exposure to "Absolute Maximum
Ratings" for extended periods may affect device reliability.
Note 2: This input current will only exist when the voltage at any of the input leads is driven negative. It is due to
the collector-base junction of the input PNP transistors becoming forward biased and thereby acting as input diode
clamps. In addition to this diode action, there is also lateral NPN parasitic transistor action on the IC chip. This
transistor action can cause the output voltages of the comparators to go to the V+ voltage level (or to ground for a
large overdrive) for the time duration that an input is driven negative. This is not destructive and normal output
states will re-establish when the input voltage, which was negative, again returns to a value greater than -0.3 V
DC
(at 25
o
C).
Aug. 2006 Rev. 1. 6
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BCD Semiconductor Manufacturing Limited
Data Sheet
LOW POWER LOW OFFSET VOLTAGE QUAD COMPARATORS
Recommended Operating Conditions
Parameter
Supply Voltage
Symbol
V
CC
T
A
Min
2
-40
Max
36
85
Unit
V
o
C
AS339/339A
Operating Temperature Range
Electrical Characteristics
Limits in standard typeface are for T
A
=25
o
C,
bold
typeface applies over T
A
=-40
o
C to 85
o
C (Note 3), V
CC
=5V, GND=0V,
unless otherwise specified.
Parameter
Conditions
AS339
2
AS339A
Input Bias Current
Input Offset Current
Input Common Mode
Voltage Range (Note 4)
I
IN
+ or I
IN
- with output in Linear Range,
V
CM
=0V
I
IN
+- I
IN
-, V
CM
=0V
V
CC
=30V
V
CC
=5V
Supply Current
R
L
=∞
V
CC
=30V
Voltage Gain
Large Signal Response
Time
Response Time
Output Sink Current
Output Leackage Current
R
L
≥15kΩ,
V
CC
=15V, V
O
=1V to 11V
V
IN
=TTL Logic Swing, V
REF
=1.4V
V
RL
=5V, R
L
=5.1kΩ
V
RL
=5V, R
L
=5.1kΩ
V
IN
-=1V, V
IN
+=0, V
O
=1.5V
V
IN
-=0V, V
IN
+=1V, V
O
=5V
V
IN
-=0V, V
IN
+=1V, V
O
=30V
V
IN
-=1V, V
IN
+=0, I
SINK
≤
4mA
200
6.0
50
0
0.9
1.2
25
5.0
Min
Typ
2
Input Offset Voltage
V
O
=1.4V, R
S
=0Ω, V
CC
from
5V to 30V
Max
5
7
3
5
250
400
50
200
V
CC
-1.5
2.0
3.0
2.5
3.5
200
200
1.3
16
0.1
1
400
500
V/mV
ns
µs
mA
nA
µA
mV
mA
nA
nA
V
mV
Unit
Saturation Voltage
Note 3: Limits over the full temperature are guaranteed by design, but not tested in production.
Note 4: The input common-mode voltage of either input signal voltage should not be allowed to go negatively by
more than 0.3V (at 25
o
C
). The upper end of the common-mode voltage range is V
CC
-1.5V (at 25
o
C
), but either or
both inputs can go to +18V without damages, independent of the magnitude of the V
CC
.
Aug. 2006 Rev. 1. 6
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BCD Semiconductor Manufacturing Limited
Data Sheet
LOW POWER LOW OFFSET VOLTAGE QUAD COMPARATORS
Typical Performance Characteristics
AS339/339A
1.6
1.5
65
60
55
Input Bias Current (nA)
1.4
Supply Current (mA)
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0
4
8
12
-40 C
o
50
45
40
35
30
25
20
15
10
5
0
-5
-10
-40 C
25 C
85 C
o
o
o
25 C
o
85 C
o
16
20
24
28
32
36
0
4
8
12
16
20
24
28
32
36
Supply Voltage (V)
Supply Voltage (V)
Figure 4. Supply Voltage vs. Supply Current
Figure 5. Supply Voltage vs. Input Bias Current
10
Output Voltage (V)
Input Voltage (mV)
6
4
2
0
Saturation Voltage (V)
1
o
85 C
0.1
25 C
o
0
V
CC
0.01
-50
5.1K
V
IN
_
V
OUT
+
-40 C
1E-3
0.01
0.1
1
10
100
o
-100
Output Sink Current (mA)
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
Time (µs)
Figure 6. Output Sink Current vs. Saturation Voltage
Figure 7. Response Time for 5mV Input Overdrive -
Negative Transition
Aug. 2006 Rev. 1. 6
5
BCD Semiconductor Manufacturing Limited
Microchip MCU
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