MAXWELL 139RPFS, 139RPFE, 139RPFB Datasheet

Memory

All data sheets are subject to change without notice

(858) 503-3300 - Fax: (858) 503-3301 - www.maxwell.com

Quad Comparators,

139

Low Offset Voltage

12.13.01 Rev1

1000522

FEATURES:

• Rad-Pak® technology-hardened against natural space radiation

• Total dose hardness:

- >100 krad (Si), depending upon orbit and space mission

• Single Event Effects:

- SEL > 59.8 MeV/mg/cm

• Package:

• - 14 pin Rad-Pak® flat package

• Wide supply voltage range

- 2 VDC to 36 VDC or ±1 VDC to ±18 VDC

• Very low supply current drain:

- (0.8 mA) - independent of supply voltage

• Low input biasing current: 25 nA

• Differential input voltage range equal to the power supply voltage

• Low output saturation voltage: 250 mV at 4 mA

• Power drain suitable for battery operation

• Allows sensing near GND

• Eliminates need for dual supplies

• Output voltage compatible with TTL, DTL, ECL, MOS and CMOS logic systems

• Low input offset current and offset voltage:

- +5 nA, +3 mV

DESCRIPTION:

Maxwell Technologies 139 consisting of four independent precision voltage comparators, features a greater than 100 krad (Si) total dose tolerance, depending upon space mission. Using Maxwell Technologies radiation- hardened Rad-Pak® packaging technology, the 139 has an offset voltage specification as low as 2 mV max for all four comparators. The 139 was also designed specifically to operate from a single power supply over a wide range of voltages. Operation from split power supplies is possible and the low power supply current drain is independent of the magnitude of the power supply voltage. These comparators also have a unique characteristic in that the input common-mode voltage range includes ground, even though operated from a single power supply voltage.

Maxwell Technologies' patented R

AD-PAK packaging technol-

ogy incorporates radiation shielding in the microcircuit package. It eliminates the need for box shielding while providing the required radiation shielding for a lifetime in orbit or space mission. In a GEO orbit, R

AD-PAK provides greater than 100

krad (Si) radiation dose tolerance. This product is available with screening up to Class S.

Logic Diagram

Memory

All data sheets are subject to change without notice

Quad Comparators, Low Offset Voltage

139

12.13.01 Rev1

1000522

TABLE 1. PINOUT DESCRIPTION

PIN SYMBOL DESCRIPTION

2, 1, 14, 13 OUTPUT1 - 4 Output Signal

4, 6, 8, 10 INPUT1- – 4 Negative Input Signal

5, 7, 9, 11 INPUT+ – 4 Positive Input Signal

3 V+ Positive Voltage

12 GND Ground

TABLE 2. 139 ABSOLUTE MAXIMUM RATINGS

PARAMETER SYMBOL MIN MAX UNIT

Supply Voltage (V+ - V-) V+ - V- 36 V

or ±18 V

Differential Input Voltage

1. Positive excursions of input voltage may exceed the power supply level. As long as the other voltage remains within the common-mode range, the comparator will provide a proper output state. The low output voltage state must not be less than -0.3 V

(or 0.3 VDC below the magnitude of the negative power supply, if used) (at 25°C).

-- 36 V

Input Voltage -0.3 +36 V

Open Short-Circuit to Ground

2. Short Circuits from the output to V+ can cause excessive heating and eventual destruction. When considering short circuits to ground, the maximum output current is ~20mA independent of the magnitude of V+.

Continuous

Input Current (V

< -0.3VDC)--50mA

Power Dissipation P

-- 1 W

Storage Temperature Range T

-65 150

Operating Temperature Range T

-55 125

ESD Tolerance

3. 1.5 kΩ in series with 100 pF.

-- 600 V

TABLE 3. DELTA LIMITS

PARAMETER VARIATION

±10% of specified value in Table 5

TABLE 4. 139 RECOMMENDED OPERATING CONDITIONS

PARAMETER SYMBOL MIN MAX UNIT

Supply Voltage V+ - V- 36 V

or ±18 V

Memory

All data sheets are subject to change without notice

Quad Comparators, Low Offset Voltage

139

12.13.01 Rev1

1000522

TABLE 5. 139 ELECTRICAL CHARACTERISTICS

(V+ = 5V, TA = -55 TO 125°C, UNLESS OTHERWISE SPECIFIED)

ARAMETER SYMBO

TEST CONDITIONS MIN TYP MAX UNIT

Input Offset Voltage V

1. At output switch point, V

=1.4V, RS=0Ω with V+ from 5V

to 30 VDC; and over the full input common-mode range (0VDC to

V+-1.5V

+25°C -- 2 5 mV

-55 to 125°C -- -- 9

Input Bias Current I

IBIIN

(+) or IIN(-) with Output in Linear

Range,

, VCM = 0V

2. The direction of the input current is out of the IC due to the PNP input stage. This current essentially constant, independent of the state of the output so no loading change exists on the reference or input lines.

+25°C -- 25 100 nA

-55 to 125°C -- -- 300

Input Offset Current I

IOIIN

(+) - IIN(-), VCM = 0V +25°C -- 3 25 nA

-55 to 125°C -- -- 100

Input Common Mode Voltage Range

V+ = 30 V

3. The input common-mode voltage or either input voltage signal should not be allowed to go negative by more than 0.3V. The upper end of the common-mode voltage range is V+-1.5V at 25°C, but either or both inputs can go to +30V without damage, independent of the magnitude of V+.

+25°C 0 V+ -1.5 V

-55 to 125°C 0 -- V+ -2.0

Supply Current I

CCRL

=∞on all comparators, V+ = 30V +25°C -- 0.8 2.0 mA

-55 to 125°C -- -- 3.0

Voltage Gain A

VRL

> 15kΩ, V+=15V

;

= 1VDC to 11 V

( To support large VO swing)

+25°C 50 200 -- V/mV

Large Signal Response Time

VIN = TTL Logic Swing, V

REF

= 1.4V, VRL = 5VDC,

= 5.1kΩ

+25°C -- 300 -- ns

Response Time t

RtilVRL

= 5VDC, R

= 5.1kΩ

4. The response time specified is for a 100mV input step with 5 mV overdrive. For larger overdrive signals 300 ns can be obtained.

+25°C -- 1.3 -- µs

Output Sink Current I

SINKVIN

(-) = 1VDC, VIN(+) = 0,

< 1.5V

+25°C 6.0 16 -- mA

Saturation Voltage V

SATVIN

(-) > 1V, VIN(+) = 0,

SINK

< 4 mA

+25°C -- 250 400 mV

-55 to 125°C -- -- 700

Output Leakage Current I

CEXVIN

(+) = 1VDC, VIN(-) = 0,

= 5V

DC VIN

(-) = 0

+25°C -- 0.1 -- nA

-55 to 125°C -- -- 1.0 µA

Differential Input Voltage V

diff

Keep all V

IN’s

> 0 V

(or V- if used)

5. Positive excursions of input voltage may exceed the power level as long as the other voltage remains within the common mode range, the comparator will provide a proper output state. The low input voltage state must not be less than -0.3 V

(or

0.3V

below the magnitude of the negative power supply, if used) (at 25°C).

-55 to 125°C -- -- 36 V

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