PRELIMINARY SPECIFICATION
Austin Semiconductor, Inc.
Voltage Comparator
AVAILABLE AS MILITARY / SPACE
SPECIFICATIONS
• SMD 5962-00524 pending
• Radiation Tolerant
• MIL-STD-883, 1.2.1 “QML” pending
GND
INPUT+
INPUT-
V
-
oltag
Volta g e
Comparator
AS111 RAD-TOL
(Top View)
PIN ASSIGNMENT
8 Pin Ceramic DIP (C008)
1
2
3
4
8
7
6
5
V
+
OUTPUT
BALANCE/
STROBE
BALANCE
FEATURES
• Operates from single 5V supply
• Radiation Guaranteed to 100K RADS TID
• Input current: 200 nA max. over temperature
• Offset current: 20 nA max. over temperature
• WIDE Differential input voltage range: ±30V
• Typical Power consumption: 135 mW at ±15V
10 Pin CerPack flatpak(CP10)
GND
INPUT+
INPUT-
1
2
3
4
5
10
9
8
7
6
V
+
OUTPUT
N/C
BALANCE/
STROBE
BALANCE
OPTIONS
• Packages
8 pin Ceramic DIP
10 pin Cerpack(flatpak)
10 pin Cerpack Gullwing
8 Lead Metal Can
• Process / Temperature Ranges
MILITARY (-55
o
C to +125
o
C)
MIL-STD-883 paragraph 1.2.1
MIL-STD-883 CLASS ‘S’
MARKINGS
C008
CP10
GW10
TO99
/XT
/883
/SPACE
N/C
V
_
8 Lead Metal Can (TO99)
V
+
8
GND
1
INPUT+
2
3
4
7
OUTPUT
6
BALANCE/STROBE
INPUT-
5
BALANCE
GENERAL DESCRIPTION
The AS111 is a voltage comparator that has input currents
nearly a thousand times lower than other similar devices. It is
also designed to operate over a wider range of supply voltages:
from standard ±15V op amp supplies down to the single 5V
supply used for IC logic. Their output is compatible with RTL,
DTL and TTL as well as MOS circuits. Further, they can drive
lamps or relays, switching voltages up to 50V at currents as
high as 50 mA.
Both the inputs and the outputs of the AS111 can be
isolated from system ground, and the output can drive loads
referred to ground, the positive supply or the negative supply.
Offset balancing and strobe capability are provided and
outputs can be wire OR’ed. Although slower than some
devices (200 ns response time vs 40 ns), this device is also
much less prone to spurious oscillations.
V
-
10 Pin CerPack Gullwing(GW10)
GND
INPUT+
INPUT-
N/C
V
_
V
+
OUTPUT
N/C
BALANCE/
STROBE
BALANCE
For more products and information
please visit our web site at
www.austinsemiconductor.com
AS111 RAD-TOL
Rev. 1.1 06/05
Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.
1
PRELIMINARY SPECIFICATION
Austin Semiconductor, Inc.
TYPICAL APPLICATIONS
3
oltag
Volta g e
Comparator
AS111 RAD-TOL
AS111 RAD-TOL
Rev. 1.1 06/05
Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.
2
PRELIMINARY SPECIFICATION
Austin Semiconductor, Inc.
TYPICAL APPLICATIONS (CONTINUED)
3
oltag
Volta g e
Comparator
AS111 RAD-TOL
NOTE:
Do Not Ground Strobe Pin
NOTE 2:
Typical input current is 50pV with inputs strobed off.
NOTE 3:
Pin connections shown on schematic diagram and typical applications are for TO08 metal can package.
AS111 RAD-TOL
Rev. 1.1 06/05
Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.
3
PRELIMINARY SPECIFICATION
Austin Semiconductor, Inc.
ABSOLUTE MAXIMUM RATINGS*
,5
oltag
Volta g e
Comparator
AS111 RAD-TOL
*Stresses greater than those listed under "Absolute Maximum
Operating Temperature Range ....................... -55C < Ta < +125C Ratings" may cause permanent damage to the device. This is
Maximum Junction Temperature ......................................... +175C a stress rating only and functional operation of the device at
Storage Temperature Range ........................... -65C < Ta < +150C these or any other conditions above those indicated in the
Lead Temperature (soldering for 60 sec) ............................ 300C operation section of this specification is not implied. Exposure
to absolute maximum rating conditions for extended periods
Total Supply Voltage (V
84
).............................................................36V
may affect reliability.
Output to Negative Supply Voltage (V
74
)....................................50V
Ground to Negative Supply Voltage (V
14
)...................................30V
Differential Input Voltage.............................................................±30V
Input Voltage
4
................................................................................±15V
Output Short Circuit Duration..................................................10 sec
Lead Temperature (Soldering, 10 sec).......................................260°C
Voltage at Stobe Pin..............................................................V
+
-5V
Maximum Strobe Current ..................................................... 10mA
Sink Current ...........................................................................50mA
Package Weight:
10 Lead Cerpack Flatpak ................................... 240mg
10 Lead Cerpack Gullwing ................................ 220mg
8 Lead Metal Can ............................................... 950mg
8 Lead Cerdip ..................................................... 1100mg
Note 4:
This rating applies for ±15 supplies. The positive input voltage limit is 30V above the negative supply. The negative input voltage
limit is equal to the negative supply voltage or 30V below the positive supply, whichever is less.
Note 5:
The maximum junction temperature of the AS111 is 175°C. For operating at elevated temperatures, devices in the TO08 package
must be derated based on a thermal resistance of 160°C/W, junction to ambient, or 50°C/W, junction to case. The thermal resistance of the
C008 dual-in-line package is 130°C/W, junction to ambient, and 20°C/W Junction to Case. The thermal resistance of the CP10 Cerpack
Flatpak & the GW10 Cerpack Gullwing are 230°C/W for juntion to ambient and 25°C/W Junction to Case.
These figures are based on Still Air
& 1/2 Watt power dissipation.
(The following Table applies to the Subgroup column in the Electrical Characteristics Tables)
SUBGROUP
1
2
3
4
5
6
7
8
9
Description
Static DC tests
Static DC tests
Static DC tests
Dynamic Tests
Dynamic Tests
Dynamic Tests
Functional Tests
Functional Tests
Functional Tests
TEMP(
O
C)
+25
+125
-55
+25
+125
-55
+25
+125
-55
AS111 RAD-TOL
Rev. 1.1 06/05
Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.
4
PRELIMINARY SPECIFICATION
Austin Semiconductor, Inc.
oltag
Volta g e
Comparator
AS111 RAD-TOL
Electrical Characteristics
DC PARAMETERS: (SEE NOTE 8)
(The following conditions apply to all the following parameters, unless otherwise specified.)
DC: +Vcc = +15V, Vcm = 0V
SYMBOL
Vio
PARAMETER
Input Offset
Voltage
CONDITIONS
Vin = 0V, Rs = 50 Ohms
NOTES
PIN-
NAME
MIN
-3
-4
+Vcc = 29.5V, -Vcc = -0.5V, Vin = 0V,
Vcm = -14.5V, Rs = 50 Ohms
+Vcc = 2V, -Vcc = -28V, Vin = 0V,
Vcm = +13V, Rs = 50 Ohms
+Vcc = +2.5V, -Vcc = -2.5V, Vin = 0V,
Rs = 50 Ohms
Vio(R)
Raised Input
Offset Voltage
Vin = 0V, Rs = 50 Ohms
-3
-4
-3
-4
-3
-4
-3
-4.5
+Vcc = 29.5V, -Vcc = -0.5V, Vin = 0V,
Vcm = -14.5V, Rs = 50 Ohms
+Vcc = 2V, -Vcc = -28V, Vin = 0V,
Vcm = +13V, Rs = 50 Ohms
Iio
Input Offset
Current
Vin = 0V, Rs = 50K Ohms
-3
-4.5
-3
-4.5
-10
-20
+Vcc = 29.5V, -Vcc = -0.5V, Vin = 0V,
Vcm = -14.5V, Rs = 50K Ohms
+Vcc = 2V, -Vcc = -28V, Vin = 0V,
Vcm = +13V, Rs = 50K Ohms
Iio(R)
Raised Input
Offset Current
Input Bias
Current
Vin = 0V, Rs = 50K Ohms
-10
-20
-10
-20
-25
-50
Iib+
Vin = 0V, Rs = 50K Ohms
-100
-150
+Vcc = 29.5V, -Vcc = -0.5V, Vin = 0V,
Vcm = -14.5V, Rs = 50K Ohms
+Vcc = 2V, -Vcc = -28V, Vin = 0V,
Vcm = +13V, Rs = 50K Ohms
-150
-200
-150
-200
MAX
+3
+4
+3
+4
+3
+4
+3
+4
+3
+4.5
+3
+4.5
+3
+4.5
+10
+20
+10
+20
+10
+20
+25
+50
0.1
0.1
0.1
0.1
0.1
0.1
UNIT
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
nA
nA
nA
nA
nA
nA
nA
nA
nA
nA
nA
nA
nA
nA
SUB-
GROUPS
1
2, 3
1
2, 3
1
2, 3
1
2, 3
1
2, 3
1
2, 3
1
2, 3
1, 2
3
1, 2
3
1, 2
3
1, 2
3
1, 2
3
1, 2
3
1, 2
3
AS111 RAD-TOL
Rev. 1.1 06/05
Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.
5
5
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