Datasheet

78K0/Kx2-L CHAPTER 28 ELECTRICAL SPECIFICATIONS
R01UH0028EJ0400 Rev.4.00 763
Sep 27, 2010
Caution The pins mounted depend on the product. Refer to Caution 2 at the beginning of this chapter.
(4) Operational amplifier 1
(T
A = −40 to +85°C, 2.2 V ≤ VDD ≤ 5.5 V, VSS = AVSS = 0 V, Output load: RL = 47 kΩ, CL = 50 pF)
Parameter Symbol Conditions MIN. TYP. MAX. Unit
Input offset voltage VIOP1 VDD = 3.0 V ±10 mV
Power supply voltage rejection ratio PSRROP1 VDD = 3.0 V 70 dB
Output voltage, high VOHOP1 VDD = 3.0 V/2.2 V,
I
OH = −500 μ A
V
DD − 0.2 V
Output voltage, low VOLOP1 VDD = 3.0 V/2.2 V,
I
OL = 500 μ A
0.1 V
Common-mode input voltage VICMOP1 VDD = 3.0 V/2.2 V 0 VDD − 0.6 V
VDD = 3.0 V 1.8 V/ μ s Slew rate SROP1
V
DD = 5.0 V 2.0 V/ μ s
VDD = 3.0 V, VIN = 0.1 V, f = 1 kHz 73
VDD = 3.0 V, VIN = VDD/2 V, f = 1 kHz 60
Input noise spectral density (Inoise)
V
DD = 3.0 V, VIN = VDD−0.6 V, f = 1 kHz 55
zH
/nV
Phase margin VDD = 3.0 V 40 deg
Large-amplitude voltage gain AVOP1 VDD = 3.0 V 100 dB
Gain-bandwidth product GBWOP1 VDD = 5.0 V/3.0 V/2.2 V 3.0 MHz
Operation stabilization wait time
Note
tOP1 VDD = 3.0 V 10 μ s
Note Time required until a state is entered where the DC and AC specifications of the operational amplifier 1 are satisfied
after the operational amplifier 1 operation has been enabled (OPAMP1E = 1).