HA1630S08 Datasheet, PDF (6/15 Pages) Renesas Technology Corp – Single CMOS High Drive Operational Amplifier

HA1630S08
Test Circuits (cont.)
(Unless otherwise noted, V_DD = 3 V, V_SS = 0 V, Ta = 25°C)
9. Common Mode Rejection Ratio, CMRR
1 MΩ
1 kΩ
−
+
1 kΩ
V_OUT
V
1.5 V
V_IN
–1.5 V
1 MΩ
Measure
V_IN Point
Calculate
V_IO
CMRR Calculation
–1.5 V
0.3 V
V_OUT1
V_OUT2
V_IO1 = V_OUT1 / 1001
V_IO2 = V_OUT2 / 1001
CMRR =
20log₁₀
|[V_IO2 – V_IO1]|
0.3 – (–1.5 V)
10. Power Supply Rejection Ratio, PSRR
1 MΩ
1 kΩ
1 kΩ
1 MΩ
−
V_OUT
+
V
V_DD/2
–V_DD/2
V_DD
2.7 V
5.5 V
Measure
Point
Calculate
V_IO
CMRR Calculation
V_OUT1
V_OUT2
V_IO1 = V_OUT1 / 1001
V_IO2 = V_OUT2 / 1001
PSRR =
20log₁₀
|[V_IO2 – V_IO1]|
5.5 V – 2.7 V
11. Input Bias Current, I_IB+
−
A+
V_DD
V_IN
12. Input Bias Current, I_IB–
A−
+
V_IN
V_DD
13. Slew Rate (Large Signal Input)
1.7 V – 0.2 V
−
+
50 Ω
V_OUT
V
15 pF
V_DD
V_IN
V_OUT
10%
90%
90%
∆V_tr
∆t_tr
SRr = ∆V_tr / ∆t_tr
SRf = ∆V_tf / ∆t_tf
∆V_tf
∆t_tf
10%
REJ03D0908-0100 Rev.1.00 Feb 22, 2008
Page 6 of 14