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PDF NCS2004A Data sheet ( Hoja de datos )
| Número de pieza | NCS2004A | |
| Descripción | Rail-to-Rail Output Operational Amplifier | |
| Fabricantes | ON Semiconductor | |
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NCS2004, NCS2004A
3.5 MHz, Wide Supply,
Rail-to-Rail Output
Operational Amplifier
The NCS2004 operational amplifier provides rail−to−rail output
operation. The output can swing within 70 mV to the positive rail and
30 mV to the negative rail. This rail−to−rail operation enables the user
to make optimal use of the entire supply voltage range while taking
advantage of 3.5 MHz bandwidth. The NCS2004 can operate on
supply voltage as low as 2.5 V over the temperature range of −40°C to
125°C. The high bandwidth provides a slew rate of 2.4 V/ms while
only consuming a typical 390 mA of quiescent current. Likewise the
NCS2004 can run on a supply voltage as high as 16 V making it ideal
for a broad range of battery operated applications. Since this is a
CMOS device it has high input impedance and low bias currents
making it ideal for interfacing to a wide variety of signal sensors. In
addition it comes in either a small SC−88A or UDFN package
allowing for use in high density PCB’s.
Features
• Rail−To−Rail Output
• Wide Bandwidth: 3.5 MHz
• High Slew Rate: 2.4 V/ms
• Wide Power Supply Range: 2.5 V to 16 V
• Low Supply Current: 390 mA
• Low Input Bias Current: 45 pA
• Wide Temperature Range: −40°C to 125°C
• Small Packages: 5−Pin SC−88A and UDFN6 1.6x1.6
• These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS
Compliant
Applications
• Notebook Computers
• Portable Instruments
© Semiconductor Components Industries, LLC, 2015
October, 2015 − Rev. 9
1
www.onsemi.com
MARKING DIAGRAMS
SC−88A
(SC−70−5)
SN SUFFIX
CASE 419A
ADK MG
G
ADK = Specific Device Code
M = Date Code
G = Pb−Free Package
(Note: Microdot may be in either location)
6
1
UDFN6
CASE 517AP
1
xx MG
G
xx = Specific Device Code
AA for NCS2004
AC for NCS2004A
M = Date Code
G = Pb−Free Package
(Note: Microdot may be in either location)
PIN CONNECTIONS
IN+ 1
VSS 2
IN− 3
+
−
5 VDD
4 OUT
SC−88A (Top View)
VSS 1
NC 2
IN− 3
−+
6 OUT
5 VDD
4 IN+
UDFN (Top View)
ORDERING INFORMATION
Device
Package
Shipping†
NCS2004SQ3T2G SC−88A
(Pb−Free)
3000 /
Tape & Reel
NCS2004MUTAG, UDFN6
NCS2004AMUTAG (Pb−Free)
3000 /
Tape & Reel
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specifications
Brochure, BRD8011/D.
Publication Order Number:
NCS2004/D
1 page  
NCS2004, NCS2004A
0
−10
RL = 2 kW
25°C
−20
−30
−40
−50
2.5 V
−60
−70 2.7 V
5V
−80
−90
10
10 V
100 1k
10k 100k
FREQUENCY (Hz)
Figure 1. CMRR vs. Frequency
2.5
VDD = 2.5 V
2
25°C
105°C
1.5
−40°C
1
250
200
150
100
50 Input Bias
0
Input Offset
−50
−100
1M −40 −25 −10 5 20 35 50 65 80 95 110 125
FREE AIR TEMPERATURE (°C)
Figure 2. Input Bias and Offset Current vs.
Temperature
2.5
VDD = 2.5 V
2
−40°C
1.5
105°C
25°C
1
0.5 0.5
0
0 10 20 30 40 50 60 70 80
LOW LEVEL OUTPUT CURRENT (mA)
Figure 3. 2.5 V VOL vs. Iout
0
0 10 20 30 40 50 60 70 80
LOW LEVEL OUTPUT CURRENT (mA)
Figure 4. 2.5 V VOH vs. Iout
3.3
3 VDD = 3.3 V
2.7
2.4
2.1
1.8
1.5
1.2
0.9
0.6
0.3
105°C
25°C
−40°C
3.3
3
2.7
2.4
2.1 105°C
1.8
1.5
1.2
0.9
0.6 −40°C
0.3
25°C
VDD = 3.3 V
0 0 10 20 30 40 50 60 70 80 90
0
0 10 20 30 40 50 60 70 80 90
LOW LEVEL OUTPUT CURRENT (mA)
HIGH LEVEL OUTPUT CURRENT (mA)
Figure 5. 3.3 V VOL vs. Iout
Figure 6. 3.3 V VOH vs. Iout
www.onsemi.com
5
5 Page 
NCS2004, NCS2004A
APPLICATIONS
VDD
MC1403
R1
VDD
R2
−
NCS2004
+
2.5 V
VO
VO
+
2.5
V(1
)
R1)
R2
Figure 31. Voltage Reference
50 k
Vref
Vref
+
1
2
VDD
5.0 k
10 k
VDD
−
NCS2004
+
R
R
C
C
VO
fO
+
1
2pRC
For: fo = 1.0 kHz
R = 16 kW
C = 0.01 mF
Figure 32. Wien Bridge Oscillator
R1
Vref
Vin
R2
Hysteresis
+
NCS2004
−
VOH
VO
VO
VOL
VinL VinH
VinL
+
R1
R1 )
R2
VinH
+
R1
R1 ) R2
H + R1
R1 ) R2
Vref
(VOL * Vref) ) Vref
(VOH * Vref) ) Vref
(VOH * VOL)
Figure 33. Comparator with Hysteresis
VDD
R1
Vin
C
C
R3
−
NCS2004
+
R2
Vref
CO
VO
CO = 10 C
Given: fo = center frequency
A(fo) = gain at center frequency
Choose
value
fo,
C
Q
Then : R3 +
pfO C
R1 + R3
2 A(fO)
R1 R3
R2 +
4Q2 R1 * R3
For less than 10% error from operational amplifier,
((QO fO)/BW) < 0.1 where fo and BW are expressed in Hz.
If source impedance varies, filter may be preceded with
voltage follower buffer to stabilize filter parameters.
Figure 34. Multiple Feedback Bandpass Filter
www.onsemi.com
11
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet NCS2004A.PDF ] | |
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