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SGM8142 Fiches technique(PDF) 4 Page - SG Micro Corp

No de pièce SGM8142
Description  Operational Amplifier
Download  10 Pages
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Fabricant  SGMICRO [SG Micro Corp]
Site Internet  http://www.sg-micro.com
Logo SGMICRO - SG Micro Corp

SGM8142 Fiches technique(HTML) 4 Page - SG Micro Corp

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350nA, Dual Rail-to-Rail I/O
Operational Amplifier
4
SGM8142
SG Micro Corp
www.sg-micro.com
ELECTRICAL CHARACTERISTICS
+VS = +1.4V to +5.0V, -VS = GND, TA = +25°C, VCM = +VS/2, VOUT ≈ +VS/2 and RL = 1MΩ to +VS/2, CL = 60pF
(1), unless otherwise
noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
AC ELECTRICAL CHARACTERISTICS
+VS = 1.4V
4.3
+VS = 2.5V
4.7
Gain-Bandwidth Product (GBP)
+VS = 5.0V
5
kHz
+VS = 1.4V, VOUT = 1V Step
1.3
+VS = 2.5V, VOUT = 1V Step
1.5
Slew Rate (SR)
+VS = 5.0V, VOUT = 2V Step
1.6
V/ms
Phase Margin (PM)
+VS = 1.4V to 5.5V
60
°
+VS = 1.4V, f = 0.1Hz to 10Hz
4.4
+VS = 2.5V, f = 0.1Hz to 10Hz
3.9
Input Voltage Noise (en p-p)
+VS = 5.0V, f = 0.1Hz to 10Hz
4.0
µVP-P
+VS = 1.4V, f = 1kHz
135
+VS = 2.5V, f = 1kHz
140
Input Voltage Noise Density (en)
+VS = 5.0V, f = 1kHz
130
nV/ HZ
NOTE1: Refer to Figure 1 and Figure 2.
TEST CIRCUITS
The test circuits used for the DC and AC tests are shown in Figure 1 and Figure 2. The bypass capacitors are laid out according to the
rules discussed in “Supply Bypass”.
SGM8142
+
RF
VOUT
+VS
RL
CL
1µF
0.1µF
RG
RN
+VS/2
VIN
+VS/2
1
2
Figure 1. AC and DC Test Circuit for Most Non-Inverting Gain
Conditions.
SGM8142
+
RF
VOUT
+VS
RL
CL
1µF
0.1µF
RG
RN
+VS/2
VIN
+VS/2
1
2
Figure 2. AC and DC Test Circuit for Most Inverting Gain
Conditions.


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