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TA7522S/F
TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic
TA7522S,TA7522F
Dual Voltage Comparator
The TA7522S/TA7522F 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. In addition, the IC has a wide operating temperature range that allows it to be used in a wide variety of applications.
TA7522S
Features
* * * * * * * * * * * Two-circuit package High gain Single 3 V power supply for operation Inverted-output also available 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 85C Open-collector output SIP-9 pin (TA7522S) SOP-8 pin (TA7522F) Weight SIP9-P-2.54A : 0.92 g (typ.) SOP8-P-225-1.27 : 0.08 g (typ.)
TA7522F
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TA7522S/F
Block Diagram and Pin Layout
TA7522S
TA7522F
Note 1: The TA7522S and TA7522F 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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TA7522S/F
Pin Description
Pin No. TA7522S 1 2 3 4
5 6 7 8 9
TA7522F 1 2 3
4 5 6 7 8
Symbol INPUT1 INPUT1 OUT1
OUT1 GND OUT2 INPUT2+ INPUT2 VCC
+
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
Maximum Ratings (Ta = 25C)
Characteristic
Supply voltage Supply voltage surge Power dissipation Differential input voltage Input voltage Output current Operating temperature Storage temperature
Symbol
VCC VCC SURGE PD DVIN VIN ISINK Topr Tstg
Rating
-0.3 to +18 +30 (within 1 second) 500 / 440 18 -0.3 to +18 30 -40 to +85 -55 to +150
Unit
V V mW V V mA C C
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 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: PD: TA7522S / TA7522F
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TA7522S/F
Electrical Characteristics (Ta = -40 to +85C)
Characteristic
Voltage gain
Symbol
GV VIO II IIO CMVIL CMVIH OUT1 OUT2
Test Circuit
1
Test Condition
VCC = 6 V, RL = 1 k f = 10 Hz, test circuit 1 VCC = 6 V, RL = 1 k CMVIN = 3 V, test circuit 2 VCC = 6 V, CMVIN = 3 V test circuit 3 Same as above VCC = 6.5 V, RL = 1 k VIO = 20 mV, test circuit 4 Same as above VCC = 5.5 V, VIN = 0.1 V IOL = 10 mA, test circuit 5
Min
60
Typ.
(Note)
Max
Unit
dB
95
Input offset voltage
2
2
10
mV
Input bias current Input offset current
3 3
5.0
-0.2 0.02 -0.5 5.3 0.18
-2 0.3 0 0.4
A A V V V
Common-mode input voltage
4
Zero output voltage
VOL
OUT1
5
VCC = 5.5 V, VIN = 0.1 V, IOL = 15 mA, VOL (out1) 2 V, test circuit 5 VCC = 6 V, VOUT = 30 V test circuit 6 VCC = 6 V, VOUT = 0.4 V test circuit 6 VCC = 6.5 V, RL = test circuit 7
0.25
0.4
V
OUT1 Output leakage current ILEAK OUT2 OUT1 Current consumption ICC
OUT1
6
10
A
6 7

-1.5 3
-10 7
A mA
Note:
An ambient temperature of 25C is assumed for the typical values.
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TA7522S/F
Test Circuit
(Below are examples for the TA7522S. Note that, for the TA7522F, pin numbers are different.) 1. GV 2. VIO
3.
II, IIO
4.
CMVIL, CMVIH
CMVIL : Input voltage relative to pin 5 as it is obtained when VIN is decreased until output VOUT becomes 2 V. CMVIH : Input voltage relative to pin 5 as it is obtained when VIN is increased until output VOUT becomes 2 V.
5.
VOL
5.1 OUT1, OUT2 5.2
OUT1
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TA7522S/F
6. ILEAK
6.1 OUT1, OUT2 6.2 OUT1
6.3 OUT1
7. ICC OUT1
Note:
The application circuit shown above is not intended to guarantee mass production. A thorough evaluation is required when designing an application circuit for mass production.
Equivalent Circuit
(Pin numbers are explained in the order first of the TA7522S and then of the TA7522F.)
Note: The equivalent circuit diagrams may be simplified or some parts of them may be omitted for explanatory purposes.
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TA7522S/F
Package Dimensions
Weight: 0.92 g (typ.)
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TA7522S/F
Package Dimensions
Weight: 0.08 g (typ.)
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TA7522S/F
RESTRICTIONS ON PRODUCT USE
* The information contained herein is subject to change without notice.
030619EBA
* The information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by TOSHIBA for any infringements of patents or other rights of the third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of TOSHIBA or others. * TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to comply with the standards of safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of such TOSHIBA products could cause loss of human life, bodily injury or damage to property. In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as set forth in the most recent TOSHIBA products specifications. Also, please keep in mind the precautions and conditions set forth in the "Handling Guide for Semiconductor Devices," or "TOSHIBA Semiconductor Reliability Handbook" etc.. * The TOSHIBA products listed in this document are intended for usage in general electronics applications (computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances, etc.). These TOSHIBA products are neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or bodily injury ("Unintended Usage"). Unintended Usage include atomic energy control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments, medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in this document shall be made at the customer's own risk. * The products described in this document are subject to the foreign exchange and foreign trade laws. * TOSHIBA products should not be embedded to the downstream products which are prohibited to be produced and sold, under any law and regulations.
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