1
HA-5127, HA-5127A
8.5MHz, Ultra-Low Noise
Precision Operational Amplifier
The HA-5127 monolithic operational amplifier features an
unparalleled combination of precision DC and wideband
high speed characteristics. Utilizing the Intersil D. I.
technology and advanced processing techniques, this
unique design unites low noise (3nV/
Hz) precision
instrumentation performance with high speed (10V/
s)
wideband capability.
This amplifier's impressive list of features include low V
OS
(10
V), wide unity gain-bandwidth (8.5MHz), high open loop
gain (1800V/mV), and high CMRR (126dB). Additionally, this
flexible device operates over a wide supply range (
5V to
15V) while consuming only 140mW of power.
Using the HA-5127 allows designers to minimize errors while
maximizing speed and bandwidth.
This device is ideally suited for low level transducer signal
amplifier circuits. Other applications which can utilize the
HA-5127's qualities include instrumentation amplifiers, pulse
amplifiers, audio preamplifiers, and signal conditioning
circuits. This device can easily be used as a design
enhancement by directly replacing the 725, OP25, OP06,
OP07, OP27 and OP37. For the military grade product, refer
to the HA-5127/883 data sheet.
Pinout
HA-5127
(CERDIP, SOIC)
TOP VIEW
Features
Slew Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10V/
s
Unity Gain Bandwidth. . . . . . . . . . . . . . . . . . . . . . 8.5MHz
Low Noise. . . . . . . . . . . . . . . . . . . . . . . . 3nV/
Hz at 1kHz
Low V
OS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
V
High CMRR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126dB
High Gain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1800V/mV
Applications
High Speed Signal Conditioners
Wide Bandwidth Instrumentation Amplifiers
Low Level Transducer Amplifiers
Fast, Low Level Voltage Comparators
Highest Quality Audio Preamplifiers
Pulse/RF Amplifiers
1
2
3
4
8
7
6
5
V+
OUT
BAL
V-
+
BAL
NC
-IN
+IN
-
Ordering Information
PART NUMBER
(BRAND)
TEMP.
RANGE (
o
C)
PACKAGE
PKG.
NO.
HA7-5127-2
-55 to 125
8 Ld CERDIP
F8.3A
HA7-5127-5
0 to 75
8 Ld CERDIP
F8.3A
HA7-5127A-5
0 to 75
8 Ld CERDIP
F8.3A
HA9P5127-5
(H51275)
0 to 75
8 Ld SOIC
M8.15
Data Sheet
September 1998
File Number
2906.4
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143
|
Copyright
Intersil Corporation 1999
2
Absolute Maximum Ratings
Thermal Information
Supply Voltage Between V+ and V- Terminals. . . . . . . . . . . . . . 44V
Differential Input Voltage (Note 3) . . . . . . . . . . . . . . . . . . . . . . . 0.7V
Output Current . . . . . . . . . . . . . . . . . . . . Full Short Circuit Protection
Operating Conditions
Temperature Range
HA-5127-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55
o
C to 125
o
C
HA5127/27A-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0
o
C to 75
o
C
Thermal Resistance (Typical, Note 2)
JA
(
o
C/W)
JC
(
o
C/W)
CERDIP Package . . . . . . . . . . . . . . . . . . .
135
50
SOIC Package . . . . . . . . . . . . . . . . . . . . .
157
N/A
Maximum Junction Temperature (Ceramic Package, Note 1) . . .175
o
C
Maximum Junction Temperature (Plastic Package) . . . . . . . .150
o
C
Maximum Storage Temperature Range . . . . . . . . . . -65
o
C to 150
o
C
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . 300
o
C
(SOIC - Lead Tips Only)
CAUTION: Stresses above those listed in "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTES:
1. Maximum power dissipation, including output load must be designed to maintain the maximum junction temperature below 175
o
C for Hermetic
packages, and below 150
o
C for the plastic packages.
2.
JA
is measured with the component mounted on an evaluation PC board in free air.
3. For differential input voltages greater than 0.7V, the input current must be limited to 25mA to protect the back-to-back input diodes.
Electrical Specifications
V
SUPPLY
=
15V, C
L
< 50pF, R
S
< 100
PARAMETER
TEST CONDITIONS
TEMP.
(
o
C)
HA-5127A
HA-5127
UNITS
MIN
TYP
MAX
MIN
TYP
MAX
INPUT CHARACTERISTICS
Offset Voltage
25
-
10
25
-
30
100
V
Full
-
30
60
-
70
300
V
Average Offset Voltage Drift
Full
-
0.2
0.6
-
0.4
1.8
V/
o
C
Bias Current
25
-
10
40
-
15
80
nA
Full
-
20
60
-
35
150
nA
Offset Current
25
-
7
35
-
12
75
nA
Full
-
15
50
-
30
135
nA
Common Mode Range
Full
10.3
11.5
-
10.3
11.5
-
V
Differential Input Resistance (Note 4)
25
1.5
6
-
0.8
4
-
M
Input Noise Voltage (Note 5)
0.1Hz to 10Hz
25
-
0.08
0.18
-
0.09
0.25
V
P-P
Input Noise Voltage Density
(Note 6)
f = 10Hz
25
-
3.5
8.0
-
3.8
8.0
nV/
Hz
f = 100Hz
-
3.1
4.5
-
3.3
4.5
nV/
Hz
f = 1000Hz
-
3.0
3.8
-
3.2
3.8
nV/
Hz
Input Noise Current Density
(Note 6)
f = 10Hz
25
-
1.7
4.0
-
1.7
-
pA/
Hz
f = 100Hz
-
1.0
2.3
-
1.0
-
pA/
Hz
f = 1000Hz
-
0.4
0.6
-
0.4
0.6
pA/
Hz
TRANSFER CHARACTERISTICS
Large Signal Voltage Gain
V
OUT
=
10V, R
L
= 2k
25
1000
1800
-
700
1500
-
V/mV
Full
600
1200
-
300
800
-
V/mV
Common Mode Rejection Ratio
V
CM
=
10V
Full
114
126
-
100
120
-
dB
Minimum Stable Gain
25
1
-
-
1
-
-
V/V
Unity-Gain-Bandwidth
25
5
8.5
-
5
8.5
-
MHz
OUTPUT CHARACTERISTICS
Output Voltage Swing
R
L
= 600
25
10.0
11.5
-
10.0
11.5
-
V
R
L
= 2k
Full
11.7
13.8
-
11.5
13.5
-
V
Full Power Bandwidth (Note 7)
25
111
160
-
111
160
-
kHz
Output Resistance
Open Loop
25
-
70
-
-
70
-
Output Current
25
16.5
25
-
16.5
25
-
mA
TRANSIENT RESPONSE (Note 8)
Rise Time
25
-
-
150
-
-
150
ns
HA-5127, HA-5127A
3
Slew Rate
V
OUT
= 10V
25
7
10
-
7
10
-
V/
s
Settling Time (Note 9)
25
-
1.5
-
-
1.5
-
s
Overshoot
25
-
20
40
-
20
40
%
POWER SUPPLY CHARACTERISTICS
Supply Current
25
-
3.5
-
-
3.5
-
mA
Full
-
-
4.0
-
-
4.0
mA
Power Supply Rejection Ratio
V
S
=
4.5V to
18V
Full
-
2
4
-
16
51
V/V
NOTES:
4. This parameter value is based upon design calculations.
5. Refer to Typical Performance Curves.
6. The limits for this parameter are guaranteed based on lab characterization, and reflect lot-to-lot variation.
7. Full power bandwidth guaranteed based on slew rate measurement using:
.
8. Refer to Test Circuits section of the data sheet.
9. Settling time is specified to 0.1% of final value for a 10V output step and A
V
= -1.
Electrical Specifications
V
SUPPLY
=
15V, C
L
< 50pF, R
S
< 100
(Continued)
PARAMETER
TEST CONDITIONS
TEMP.
(
o
C)
HA-5127A
HA-5127
UNITS
MIN
TYP
MAX
MIN
TYP
MAX
FPBW
Slew Rate
2
V
PEAK
---------------------------
=
Test Circuits and Waveforms
FIGURE 1. LARGE AND SMALL SIGNAL RESPONSE TEST CIRCUITS
LARGE SIGNAL RESPONSE
SMALL SIGNAL RESPONSE
FIGURE 2. SETTLING TIME TEST CIRCUIT
IN
OUT
50pF
1.8k
200
+
-
IN
OUT
50pF
2k
+
-
IN
OUT
Vertical Scale: Input = 0.5V/Div., Output = 5V/Div.
Horizontal Scale: 1
s/Div.
IN
OUT
Vertical Scale: 100mV/Div.
Horizontal Scale: 200ns/Div.
+
AUT
50pF
-15V
+15V
2N4416
5k
+15V
5k
2k
VIN
VOUT
2k
2k
TO
OSCILLOSCOPE
NOTES:
10. A
V
= -1.
11. Feedback and summing resistors
should be 0.1% matched.
12. Clipping diodes are optional.
HP5082-2810 recommended.
-
HA-5127, HA-5127A
4
Schematic Diagram
V+
BALANCE
1
7
Q
N20
Q
N50
OUT
Q
P21
Q
N4
C
6
D
9
R
4
R
15
R
25
R
1
Q
P37
Q
N45
Q
P32
Q
P55
8
D
8
Q
P56
Q
N19
R
14
Q
N12
Z
58
D
59
Q
N24
Q
N25
D
60
Q
N57
R
24
R
5
R
6
SUBSTRATE
3
4
V-
+INPUT
R
8
2
-INPUT
Q
N10
Q
N11
Q
N39
Q
N42
Q
N42A
D
22
D
31
Q
N2
Q
N2A
R
9
D
53
Q
P27
D
41
Q
P36A
Q
P36
Q
P26
Q
P40
Q
N1A
Q
N1
R
18
D
54
Q
N52
Q
N51
R
1A
Q
N3
R
2A
C
1
Q
N47
Q
N46
Q
N13
Q
N14
Q
N15
R
7
R
3
Q
N48
Q
N49
R
10
C
2
C
4
C
5
C
3
R
22
R
23
R
11
R
19
Q
N7
Q
N6
Q
N5
Q
P30
Q
N18
Q
P17
Q
P16
Q
P26
Q
N29
R
12
R
13
6
D
33
D
34
R
17
R
21
R
20
R
2
R
16
Q
P35
Q
P43
Q
P44
Q
P38
HA-5127, HA-5127A
5
Application Information
FIGURE 3. SUGGESTED OFFSET VOLTAGE ADJUSTMENT
Low resistances are preferred for low noise applications as a 1k
resistor has 4nV/
Hz of thermal noise. Total resistances of greater than 10k
on either
input can reduce stability. In most high resistance applications, a few picofarads of capacitance across the feedback resistor will improve stability.
FIGURE 4. SUGGESTED STABILITY CIRCUITS
Typical Performance Curves
Unless Otherwise Specified: T
A
= 25
o
C, V
SUPPLY
=
15V
FIGURE 5. TYPICAL OFFSET VOLTAGE DRIFT vs TEMPERATURE
FIGURE 6. NOISE CHARACTERISTICS
NOTE: Tested Offset Adjustment Range is |V
OS
+ 1mV| minimum referred to output. Typical range is
4mV with R
T
= 10k
.
1
2
3
4
8
7
6
5
+
-
R
T
10K
V+
R
1
C
3
R
2
R
3
R
1
C
S
R
2
R
3
+
-
+
-
30
20
10
0
-10
-20
-30
-40
-50
-60
OFFSET V
O
L
T
A
GE (
V)
-60
-40
-20
0
20
40
60
80
100
120
TEMPERATURE (
o
C)
12
10
8
6
4
2
0
NOISE V
O
L
T
A
GE (nV/
Hz)
1
10
100
1K
10K
100K
1M
6
5
4
3
2
1
0
NOISE VOLTAGE
NOISE CURRENT
NOISE CURRENT (pA/
Hz)
FREQUENCY (Hz)
HA-5127, HA-5127A
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