HA1631D01 Datasheet, PDF (24/27 Pages) Renesas Technology Corp – Dual CMOS Comparator (Push Pull/Open Drain Output)

HA1631D01/02/03/04 Series
(unless otherwise noted, V_DD = 3 V, V_SS = 0 V, Ta = 25°C)
9. Common Mode Input Voltage, V_CM
V_DD
1kΩ
10kΩ
+
−
1kΩ
V_{IN 1MΩ 1MΩ}
1.5V
Only for
Open Drain
V_OUT
100µF
V_CML
V_IO
V_IN = 0V
V_IN
V_CMH
Note: V_CML and V_CMH are values of V_IN when V_IO
changes more than 50dB taking V_IN = 0V
as reference.
10. Input Bias Current, I_IB
V_DD = 3V, 7V
+
A
−
V_IN
11. Power Supply Rejection Ratio, PSRR
V_DD/2
1kΩ
1kΩ
1MΩ
10kΩ
+
−
1MΩ
–V_DD/2
Only for
Open Drain
V_OUT
100µF
V_DD
1.8V
5.5V
Measure
Point
V_OUT1
V_OUT2
Calculate V_IO
V_IO1 = V_OUT1/1000
V_IO2 = V_OUT2/1000
PSRR Calculation
PSRR = 20log ^{|(VIO2 − VIO1)|}
5.5V − 1.8V
12. Common Mode Rejection Ratio, CMRR
V_DD/2
1kΩ
10kΩ
+
−
1kΩ
V_{IN 1MΩ 1MΩ}
–V_DD/2
Only for
Open Drain
V_OUT
100µF
Measure
V_IN Point
−1.5V V_OUT1
0.5V V_OUT2
Calculate V_IO
V_IO1 = V_OUT1/1000
V_IO2 = V_OUT2/1000
CMRR Calculation
CMRR = 20log ^{|(VIO2 − VIO1)|}
0.5V − (−1.5V)
Rev.2.00 Nov 20, 2006 page 24 of 26