TA7522SG/FG
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TA7522SG,TA7522FG
Dual Voltage Comparator
The TA7522SG is an easy-to-use IC incorporating two voltage
comparator circuits. Since one channel has an inverted-output
buffer, a CR oscillator can be easily built up.
The TA7522FG is in 8-pin dual inline package. The IC
incorporating two-circuit package. It does not contain an inverted
buffer output.
In addition, the TA7522SG/FG have a wide operating
temperature range that allows it to be used in a wide variety of
applications.
TA7522SG
Features
•
•
•
•
•
•
•
•
•
•
•
•
Two-circuit package
High gain: 95dB (typ.)
Single 3 V power supply for operation
Inverted-output also available: TA7522SG only
0 V input causes action in the IC with a single power supply.
Wide common-mode input range
No latch-up
Operating temperature range:
−40
to 85°C
Open-collector output
SIP-9 pin (TA7522SG)
SOP-8 pin (TA7522FG)
Lead(Pb)-Free product
TA7522FG
Weight
SIP9-P-2.54A: 0.92 g (typ.)
SOP8-P-225-1.27: 0.08 g (typ.)
About solderability, following conditions were confirmed
•
Solderability
(1) Use of Sn-37Pb solder Bath
· solder bath temperature
=
230°C
· dipping time
=
5 seconds
· the number of times
=
once
· use of R-type flux
(2) Use of Sn-3.0Ag-0.5Cu solder Bath
· solder bath temperature
=
245°C
· dipping time
=
5 seconds
· the number of times
=
once
· use of R-type flux
1
2007-04-04
TA7522SG/FG
Block Diagram and Pin Layout
TA7522SG
TA7522FG
Note 1: The TA7522SG and TA7522FG are the same chip housed in different packages.
Note 2: Some functional blocks, circuits, or constants are omitted or simplified in the block diagram to clarify the
descriptions of the relevant features.
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2007-04-04
TA7522SG/FG
Pin Description
Pin No.
TA7522SG
1
2
3
4
5
6
7
8
9
Symbol
1
2
3
⎯
4
5
6
7
8
Description
Inverted-input pin
Non-inverted-input pin
Output pin corresponding to INPUT1
Output pin for inversion of OUT1
Grounded
Output pin corresponding to INPUT2
Non-inverted-input pin
Inverted-input pin
Power supply pin
TA7522FG
INPUT1
−
INPUT1
+
OUT1
OUT1
GND
OUT2
INPUT2
+
INPUT2
−
V
CC
Absolute Maximum Ratings
(Ta
=
25°C)
Characteristics
Supply voltage
Supply voltage surge
Power dissipation
Differential input voltage
Input voltage
Output current
Operating temperature
Storage temperature
Symbol
V
CC
V
CC SURGE
P
D
DV
IN
V
IN
I
SINK
T
opr
T
stg
Rating
Unit
V
V
mW
V
V
mA
°C
°C
−
0.3 to 18
+
30 (within 1 sec)
500/440
±
18
−
0.3 to 18
30
−
40 to 85
−
55 to 150
Note 1: The absolute maximum ratings of a semiconductor device are a set of specified parameter values which
must not be exceeded during operation, even for an instant.
If any of these levels is exceeded during operation, the device’s electrical characteristics may be irreparably
altered and the reliability and lifetime of the device can no longer be guaranteed, possibly causing damage to
any other equipment with which it is used. Applications using the device should be designed such that the
absolute maximum ratings will never be exceeded in any operating conditions.
Ensuring that the parameter values remain within these specified ranges during device operation will help to
ensure that the integrity of the device is not compromised.
Note 2: P
D
: TA7522SG/TA7522FG
3
2007-04-04
TA7522SG/FG
Electrical Characteristics
(unless otherwise specified, Ta
= −40
to 85°C)
Characteristics
Voltage gain
Input offset voltage
Input bias current
Input offset current
Symbol
G
V
V
IO
I
I
I
IO
CMV
IL
Common-mode input voltage
CMV
IH
OUT1
OUT2
Zero output voltage
V
OL
OUT1
OUT1
OUT1
OUT2
OUT1
Current consumption
I
CC
5
4
Test
Circuit
1
2
3
3
Test Condition
V
CC
=
6 V, R
L
=
1 k
Ω
f
=
10 Hz
V
CC
=
6 V, R
L
=
1 k
Ω
CMV
IN
=
3 V
V
CC
=
6 V, CMV
IN
=
3 V
V
CC
=
6 V, CMV
IN
=
3 V
V
CC
=
6.5 V, R
L
=
1 k
Ω
V
IO
=
20 mV
V
CC
=
6.5 V, R
L
=
1 k
Ω
V
IO
=
20 mV
V
CC
=
5.5 V, V
IN
=
0.1 V
I
OL
=
10 mA
V
CC
=
5.5 V, V
IN
=
0.1 V,
I
OL
=
15 mA, V
OL
(OUT1)
≥
2 V
V
CC
=
6 V, V
OUT
=
30 V
V
CC
=
6 V, V
OUT
=
0.4 V
V
CC
=
6.5 V, R
L
= ∞
Min
60
Typ.
95
2
Max
Unit
dB
mV
⎯
10
⎯
⎯
⎯
⎯
5.0
−
0.2
0.02
−
2
0.3
0
µ
A
µ
A
V
V
V
V
−
0.5
5.3
0.18
0.25
⎯
0.4
0.4
⎯
⎯
⎯
⎯
⎯
6
6
7
Output leakage current
I
LEAK
⎯
−
1.5
3
10
µ
A
µ
A
mA
−
10
7
Note: An ambient temperature of 25°C is assumed for the typical values.
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2007-04-04
TA7522SG/FG
Test Circuit
(Below are examples for the TA7522SG. Note that, for the TA7522FG, pin numbers are
different.)
1. G
V
G V
=
20
l
og
VOUT
+
80 (dB)
VIN
2. V
IO
VIO
=
VOUT
100
3. I
I
, I
IO
I IO
=
I I
− −
I I
+
5
2007-04-04
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