"低功耗1.2 MHz运放系列NCS2008-D研究手册"
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更新于2024-03-21
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The NCS2008-D chip, also known as the NCS20081/2/4, is a high-performance Operational Amplifier (Op Amp) designed for low power consumption applications. Produced by Semiconductor Components Industries, LLC, this chip features a Gain-Bandwidth Product (GBWP) of 1.2 MHz and consumes only 42 μA of Quiescent current per opamp. With an Input Offset Voltage of 4 mV, the NCS2008-D is suitable for a wide range of voltage supply levels, from 1.8 V to 5.5 V, and can operate effectively in temperatures ranging from -40°C to .
The NCS2008-D chip comes in single, dual, and quad configurations, providing flexibility for different circuit design requirements. With its low power consumption and high GBWP, this chip is ideal for applications where efficiency and performance are crucial. Whether used in consumer electronics, industrial control systems, or medical devices, the NCS2008-D offers reliable and precise amplification capabilities.
In conclusion, the NCS2008-D chip is a versatile and efficient solution for various electronic design needs. Its compact size, low power consumption, and high performance make it an attractive option for designers looking to optimize their circuits for efficiency and accuracy. With its wide operating voltage range and temperature capabilities, the NCS2008-D is a reliable choice for a wide range of applications.
NCS20081/2/4, NCV20081/2/4
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ELECTRICAL CHARACTERISTICS AT V
S
= 3.3 V
T
A
= 25°C; R
L
≥ 10 kW; V
CM
= V
OUT
= mid−supply unless otherwise noted.
Boldface limits apply over the specified temperature range, T
A
= −40°C to 125°C. (Note 9)
Parameter
Symbol Conditions Min Typ Max Unit
INPUT CHARACTERISTICS
Input Offset Voltage
V
OS
0.5 3.5 mV
4 mV
Offset Voltage Drift
DV
OS
/DT
1
mV/°C
Input Bias Current (Note 9) I
IB
1 pA
1500 pA
Input Offset Current (Note 9) I
OS
1 pA
1100 pA
Channel Separation XTLK f = 1 kHz 125 dB
Differential Input Resistance R
ID
10
GW
Common Mode Input Resistance R
IN
10
GW
Differential Input Capacitance C
ID
1 pF
Common Mode Input Capacitance C
CM
5 pF
Common Mode Rejection Ratio CMRR
V
CM
= V
SS
– 0.2 to V
DD
+ 0.2 53 76
dB
V
CM
= V
SS
+ 0.2 to V
DD
− 0.2 48
OUTPUT CHARACTERISTICS
Open Loop Voltage Gain
A
VOL
90 120
dB
86
Short Circuit Current I
SC
Output to positive rail, sinking current 15
mA
Output to negative rail, sourcing current 11
Output Voltage High V
OH
Voltage output swing from positive rail
V
OH
= V
DD
− V
OUT
3 24
mV
25
Output Voltage Low V
OL
Voltage output swing from negative rail
V
OL
= V
OUT
− V
SS
3 24
mV
25
AC CHARACTERISTICS
Unity Gain Bandwidth UGBW 1.2 MHz
Slew Rate at Unity Gain SR V
IN
= 2.5 Vpp, Gain = 1 0.4
V/ms
Phase Margin
y
m
60 °
Gain Margin A
m
18 dB
Settling Time t
S
V
IN
= 2.5 Vpp,
Gain = 1
Settling time to 0.1% 5 ms
Settling time to 0.01% 6
Open Loop Output Impedance Z
OL
See
Figure
25
W
NOISE CHARACTERISTICS
Total Harmonic Distortion plus Noise THD+N V
IN
= 2.5 Vpp, f = 1 kHz, Av = 1 0.005 %
Input Referred Voltage Noise e
n
f = 1 kHz 30
nV/√Hz
f = 10 kHz 24
Input Referred Current Noise i
n
f = 1 kHz 300 fA/
√
Hz
SUPPLY CHARACTERISTICS
Power Supply Rejection Ratio
PSRR No Load
67 90
dB
64
Power Supply Quiescent Current I
DD
Per channel, no load 42 60
mA
9. Performance guaranteed over the indicated operating temperature range by design and/or characterization.
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