SG1731 데이터 시트보기 (PDF) - Microsemi Corporation
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SG1731 Datasheet PDF : 5 Pages
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SG1731/SG2731/SG3731
ABSOLUTE MAXIMUM RATINGS (Note1)
Supply Voltage (±VS) ........................................................ ±18V
Analog Inputs ....................................................................... ±VS
Digital Inputs (SHUTDOWN) .................... -VS-0.3V to -VS+18V
Output Driver Supply Voltage (±VO) ................................. ±25V
Source/Sink Output Current (continuous) .................... 200mA
Source/Sink Output Current (peak, 500ns) .................. 400mA
Note 1. Values beyond which damage may occur.
THERMAL DATA
J Package:
Thermal Resistance-Junction to Case, θJC .............. 30°C/W
Thermal Resistance-Junction to Ambient, θJA .......... 80°C/W
N Package:
Thermal Resistance-Junction to Case, θJC .............. 40°C/W
Thermal Resistance-Junction to Ambient, θJA ......... 65°C/W
Output Driver Diode Current (continuous) .................... 200mA
Output Driver Diode Current (peak, 500ns) .................. 400mA
Operating Junction Temperature
Hermetic (J - Package) ............................................... 150°C
Plastic (N - Package) .................................................. 150°C
Storage Temperature Range ............................ -65°C to 150°C
Lead Temperature (Soldering, 10 Seconds) .................. 300°C
Note A. Junction Temperature Calculation: TJ = TA + (PD x θJA).
Note B. The above numbers forθJC are maximums for the limiting thermal
resistance of the package in a standard mounting configuration.
The θJA numbers are meant to be guidelines for the thermal
performance of the device/pc-board system. All of the above
assume no ambient airflow.
RECOMMENDED OPERATING CONDITIONS (Note 2)
Supply Voltage Range (±VS) ............................... ±3.5V to ±15V
Error Amp Common-Mode Range ............... -VS + 3V to VS - 3V
Output Driver Supply Voltage Range .................. ±2.5V to ±22V
Source/Sink Output Current (continuous) .................... 100mA
Source/Sink Output Current (peak, 500ns) .................. 200mA
Output Driver Diode Current (continuous) .................... 100mA
Output Driver Diode Current (peak, 500ns) .................. 200mA
Oscillator Frequency Range ........................... 10Hz to 350KHz
Oscillator Voltage (Peak-to-Peak) ............................. 1V to 10V
Oscillator Timing Capacitor (CT) ....................... 200pF to 2.5µF
Operating Ambient Temperature Range
SG1731 ........................................................ -55°C to 125°C
SG2731 ........................................................... -25°C to 85°C
SG3731 .............................................................. 0°C to 70°C
Note 2. Range over which the device is functional and parameter limits are guaranteed.
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, these specfiications apply over the operating ambient temperatures for SG1731 with -55°C ≤ TA ≤ 125°C, SG2731 with
-25°C ≤ TA ≤ 85°C, SG3731 with 0°C ≤ TA ≤ 70°C, VS = ±15V, and VO = ±22V. Low duty cycle pulse testing techniques are used which maintains junction
and case temperatures equal to the ambient temperature.)
Parameter
Oscillator Section
CT Charging Current
2V∆± Input Bias Current
Initial Oscillator Frequency
Temperature Stability (Note 3)
Error Amplifier Section (Note 5)
Input Offset Voltage
Input Bias Current
Input Offset Current
Open Loop Voltage Gain
Output Voltage Swing
Common-Mode Rejection Ratio
Slew Rate (Notes 3 and 4)
Unity Gain Bandwidth (Notes 3 and 4)
PWM Comparators
Input Bias Current
Test Conditions
TA = 25°C
TA = TMIN to TMAX
VCM = ±5V
CT = 1000pF, 2V∆± = ±5V,TA = 25°C
C
T
=
1000pF,
2V∆±
=
±5V
RL = 2KΩ
RL = 2KΩ
TA = 25°C
T
A
=
25°C
±VT = ±3V
SG1731/2731/3731 Units
Min. Typ. Max.
450 500 550 µA
400
600 µA
-20 µA
22.5 25.0 27.5 KHz
10 %
10 mV
3
µA
600 nA
70
dB
±10
V
70
dB
5 10
V/µs
0.7 1
MHz
6
µA
4/90 Rev 1.3 9/99
Copyright 1999
LINFINITY Microelectronics Inc.
2
11861 Western Avenue ∞ Garden Grove, CA 92841
(714) 898-8121 ∞ FAX: (714) 893-2570
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