SGM8044 Datasheet, PDF (4/10 Pages) SG Micro Corp – Quad Rail-to-Rail I/O Operational Amplifier

SGM8044
670nA, Quad Rail-to-Rail I/O
Operational Amplifier
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
AC ELECTRICAL CHARACTERISTICS
Gain-Bandwidth Product (GBP)
Slew Rate (SR)
Phase Margin (PM)
Input Voltage Noise (e_n p-p)
Input Voltage Noise Density (e_n)
NOTE1: Refer to Figure 1 and Figure 2.
CONDITIONS
+V_S = 1.4V
+VS = 2.5V
+VS = 5.0V
+V_S = 1.4V, V_OUT = 1V Step
+V_S = 2.5V, V_OUT = 1V Step
+VS = 5.0V, VOUT = 2V Step
+VS = 1.4V to 5.5V
+V_S = 1.4V, f = 0.1Hz to 10Hz
+V_S = 2.5V, f = 0.1Hz to 10Hz
+VS = 5.0V, f = 0.1Hz to 10Hz
+VS = 1.4V, f = 1kHz
+V_S = 2.5V, f = 1kHz
+V_S = 5.0V, f = 1kHz
MIN
TYP
MAX
UNITS
13.5
14.5
15
3.0
3.1
3.4
60
3.5
3.4
3.2
205
185
190
kHz
V/ms
°
µV_P-P
nV/ HZ
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”.
+V_S
0.1μF 1μF
+V_S
0.1µF 1µF
V_IN
+V_S/2
R_N
+
1 _{4 SGM8044}
R_G
R_F
C_L
R_L
+V_S/2
+V_S/2
V_OUT
V_IN
R_N
+
14 _SGM8044
R_G
R_F
C_L
R_L
+V_S/2
V_OUT
Figure 1. AC and DC Test Circuit for Most Non-Inverting
Gain Conditions.
Figure 2. AC and DC Test Circuit for Most Inverting Gain
Conditions.
SG Micro Corp
4
www.sg-micro.com