EL2257 查看數據表（PDF） - Intersil
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EL2257 Datasheet PDF : 17 Pages
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EL2257
Absolute Maximum Ratings (TA = 25°C)
Supply Voltage between VS and GND . . . . . . . . . . . . . . . . . . . 12.6V
Input Voltage (IN+, IN-, ENABLE, CLAMP) . . . GND–0.3V, VS+0.3V
Differential Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .±6V
Maximum Output Current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90mA
Output Short Circuit Duration. . . . . . . . . . . . . . . . See Note 1 page 3
Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See curves
Storage Temperature Range . . . . . . . . . . . . . . . . . .-65°C to +150°C
Ambient Operating Temperature Range . . . . . . . . . .-40°C to +85°C
Operating Junction Temperature . . . . . . . . . . . . . . . . . . . . . . +150°C
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
IMPORTANT NOTE: All parameters having Min/Max specifications are guaranteed. Typical values are for information purposes only. Unless otherwise noted, all tests
are at the specified temperature and are pulsed tests, therefore: TJ = TC = TA
DC Electrical Specifications VS = +5V, GND = 0V, TA = 25°C, VCM = 1.5V, VOUT = 1.5V, VCLAMP = +5V, VENABLE = +5V, unless
otherwise specified.
PARAMETER
DESCRIPTION
CONDITIONS
MIN TYP MAX UNIT
VOS
TCVOS
Offset Voltage
Offset Voltage Temperature
Coefficient
Measured from TMIN to TMAX
-4
10
4
mV
µV/°C
IB
IOS
TCIOS
Input Bias Current
VIN = 0V
Input Offset Current
VIN = 0V
Input Bias Current Temperature Measured from TMIN to TMAX
Coefficient
-5.5 -10
µA
-1100 150 +1100 nA
50
nA/°C
PSRR
CMRR
CMIR
RIN
CIN
Power Supply Rejection Ratio VS = VENABLE = 2.7V to 12V, VCLAMP = OPEN
Common-mode Rejection Ratio VCM = 0V to +3.8V
VCM = 0V to +3.0V
Common-mode Input Range
Input Resistance
Common-mode
Input Capacitance
SO (0.150") package
PDIP package
45 70
dB
50 65
dB
55 70
dB
0
VS-1.2 V
1
2
MΩ
1
pF
1.5
pF
ROUT
ISON
Output Resistance
Supply Current - Enabled (per
amplifier)
AV = +1
VS = VCLAMP = 12V, VENABLE = 12V
40
mΩ
5
6.5
mA
ISOFF
PSOR
Supply Current - Shut-down (per VS = VCLAMP = 10V, VENABLE = 0.5V
amplifier)
VS = VCLAMP = 12V, VENABLE = 0.5V
Power Supply Operating Range
0
50
µA
5
µA
2.7
12.0
V
AVOL
VOP
VON
Open Loop Gain
VS = VCLAMP = 12V, VOUT = 2V to 9V, RL = 1kΩ to GND 65 80
dB
VOUT = 1.5V to 3.5V, RL = 1kΩ to GND
70
dB
VOUT = 1.5V to 3.5V, RL = 150Ω to GND
60
dB
Positive Output Voltage Swing VS = 12V, AV = 1, RL = 1kΩ to 0V
10.8
V
VS = 12V, AV = 1, RL = 150Ω to 0V
9.6 10.0
V
VS = ±5V, AV = 1, RL = 1kΩ to 0V
4.0
V
VS = ±5V, AV = 1, RL = 150Ω to 0V
3.4 3.8
V
VS = 3V, AV = 1, RL = 150Ω to 0V
1.8 1.95
V
Negative Output Voltage Swing VS = 12V, AV = 1, RL = 150Ω to 0V
5.5
8
mV
VS = ±5V, AV = 1, RL = 1kΩ to 0V
-4.0
V
VS = ±5V, AV = 1, RL = 150Ω to 0V
-3.7 -3.4
V
2
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