F
FT1007/FT1037
Low Noise, High Speed
Precision Operational Amplifiers
Low Noise, High Speed
Precision Operational Amplifiers
Features
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s
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Description
The FT1007/FT1037 series features the lowest noise
performance available to date for monolithic operational
amplifiers: 2.5nV/√Hz wideband noise (less than the noise of
a 400Ω resistor), 1/f corner frequency of 2Hz and 60nV peak-
to-peak 0.1Hz to 10Hz noise. Low noise is combined with
outstanding precision and speed specifications: 10µV offset
voltage, 0.2µV/°C drift, 130dB common mode and power
supply rejection, and 60MHz gain bandwidth product on the
decompensated FT1037, which is stable for closed-loop
gains of 5 or greater.
The voltage gain of the FT1007/FT1037 is an extremely high
20 million driving a 2kΩ load and 12 million driving a 600Ω
load to
±10V.
In the design, processing and testing of the device, particular
attention has been paid to the optimisation of the entire
distribution of several key parameters. Consequently, the
specifications of even the lowest cost grades (the FT1007C
and the FT1037C) have been spectacularly improved com-
pared to equivalent grades of competing amplifiers.
The sine wave generator application shown below utilises the
low noise and low distortion characteristics of the FT1037.
Guaranteed
4.5nV/√Hz 10Hz Noise
Guaranteed
3.8nV/√Hz 1kHz Noise
0.1Hz to 10Hz Noise, 60nV
P-P
Typical
Guaranteed
7 Million Min Voltage Gain, R
L
= 2k
Guaranteed
3 Million Min Voltage Gain, R
L
= 600Ω
Guaranteed
25µV Max Offset Voltage
Guaranteed
0.6µV/°C Max Drift with Temperature
Guaranteed
11V/µs Min Slew Rate (FT1037)
Guaranteed
117dB Min CMRR
Applications
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Low Noise Signal Processing
Microvolt Accuracy Threshold Detection
Strain Gauge Amplifiers
Direct Coupled Audio Gain Stages
Sine Wave Generators
Tape Head Preamplifiers
Microphone Preamplifiers
0.1Hz to 10Hz Noise
VOLTAGE NOISE (20nV/DIV)
0
2
4
6
TIME (SEC)
8
10
U
U
U
FT1007/FT1037
Low Noise, High Speed
Precision Operational Amplifiers
Absolute Maximum Ratings
(Note 1)
Supply Voltage ......................................................
±22V
Input Voltage ............................ Equal to Supply Voltage
Output Short-Circuit Duration .......................... Indefinite
Differential Input Current (Note 9) .....................
±
25mA
Storage Temperature Range ................. – 65°C to 150°C
Lead Temperature (Soldering, 10 sec.)................. 300°C
Operating Temperature Range
FT1007/FT1037AC, C ............................. 0°C to 70°C
FT1007/FT1037I ............................... – 40°C to 85°C
FT1007/FT1037AM, M .................... – 55°C to 125°C
TOP VIEW
V
OS
1
TRIM
–IN 2
+IN 3
V
–
4
N8 PACKAGE
8-LEAD PDIP
5
NC
+IN 3
5 NC
4
V
–
4
T
JMAX
= 100°C,
θ
JA
= 130°C/ W (N8)
V
–
(CASE)
H PACKAGE
8-LEAD TO-5 METAL CAN
T
JMAX
= 150°C,
θ
JA
= 150°C/ W,
θ
JC
= 45°C/ W
S8 PACKAGE
8-LEAD PLASTIC SO
T
JMAX
= 150°C,
θ
JA
= 190°C/ W
ORDER PART NUMBER
FT1007ACN8
FT1007CN8
FT1007IN8
FT1007ACJ8
FT1007AMJ8
FT1007CJ8
FT1007MJ8
FT1037ACN8
FT1037CN8
FT1037IN8
FT1037ACJ8
FT1037AMJ8
FT1037CJ8
FT1037MJ8
ORDER PART NUMBER
ORDER PART NUMBER
FT1007CS8
FT1007IS8
FT1037CS8
FT1037IS8
J8 PACKAGE
LEAD CERDIP
T
JMAX
= 150°C,
θ
JA
= 100°C/ W (J8)
S8 PART MARKING
FT1007ACH
FT1007AMH
FT1007CH
FT1007MH
FT1037ACH
FT1037AMH
FT1037CH
FT1037MH
1007
1007I
1037
1037I
Electrical Characteristics
SYMBOL
V
OS
∆V
OS
∆Time
I
OS
I
B
e
n
PARAMETER
Input Offset Voltage
Long Term Input Offset
Voltage Stability
Input Offset Current
Input Bias Current
Input Noise Voltage
Input Noise Voltage Density
i
n
Input Noise Current Density
CONDITIONS
(Note 2)
(Notes 3, 4)
V
S
=
±15V,
T
A
= 25°C, unless otherwise noted.
FT1007AC/AM
FT1037AC/AM
MIN
TYP
MAX
10
0.2
7
±10
25
1.0
30
±35
0.13
4.5
3.8
4.0
0.6
FT1007C/I/M
FT1037C/I/M
MIN
TYP
MAX
20
0.2
12
±15
0.06
2.8
2.5
1.5
0.4
60
1.0
50
±55
0.13
4.5
3.8
4.0
0.6
0.1Hz to 10Hz (Notes 4, 6)
f
O
= 10Hz (Notes 4, 5)
f
O
= 1000Hz (Note 4)
f
O
= 10Hz (Notes 4, 7)
f
O
= 1000Hz (Notes 4, 7)
0.06
2.8
2.5
1.5
0.4
+
6
OUT
–IN 2
6 OUT
+IN 3
–
–
+
8 V
OS
TRIM
7 V
+
V
OS
TRIM
U
U
W
W W
U
W
TOP VIEW
V
OS
TRIM
8
1
7 V
+
V
OS
1
TRIM
–IN 2
TOP VIEW
8
V
OS
TRIM
–
+
7 V
+
6 OUT
5 NC
UNITS
µV
µV/Mo
nA
nA
µV
P-P
nV/√Hz
nV/√Hz
pA/√Hz
pA/√Hz
FT1007/FT1037
Low Noise, High Speed
Precision Operational Amplifiers
Electrical Characteristics
SYMBOL
PARAMETER
Input Resistance, Common Mode
Input Voltage Range
CMRR
PSRR
A
VOL
Common Mode Rejection Ratio
Power Supply Rejection Ratio
Large-Signal Voltage Gain
V
CM
=
±11V
CONDITIONS
V
S
=
±15V,
T
A
= 25°C, unless otherwise noted.
FT1007AC/AM
FT1037AC/AM
MIN
TYP
MAX
7
±11.0
117
110
7.0
5.0
3.0
±13.0
±11.0
1.7
11
5.0
45
±12.5
130
130
20.0
16.0
12.0
±13.8
±12.5
2.5
15
8.0
60
70
80
80
120
130
±11.0
110
106
5.0
3.5
2.0
±12.5
±10.5
1.7
11
5.0
45
FT1007C/I/M
FT1037C/I/M
MIN
TYP
MAX
5
±12.5
126
126
20.0
16.0
12.0
±13.5
±12.5
2.5
15
8.0
60
70
80
85
140
140
UNITS
GΩ
V
dB
dB
V/µV
V/µV
V/µV
V
V
V/µs
V/µs
MHz
MHz
Ω
mW
mW
V
S
=
±4V
to
±18V
R
L
≥
2k, V
O
=
±12V
R
L
≥
1k, V
O
=
±10V
R
L
≥
600Ω, V
O
=
±10V
R
L
≥
2k
R
L
≥
600Ω
R
L
≥
2k
A
VCL
≥
5
f
O
= 100kHz (Note 8)
f
O
= 10kHz (Note 8) (A
VCL
≥
5)
V
O
= 0V, I
O
= 0
V
OUT
SR
GBW
Z
O
P
D
Maximum Output Voltage Swing
Slew Rate
Gain Bandwidth
Product
Power Dissipation
FT1007
FT1037
FT1007
FT1037
FT1007
FT1037
Open-Loop Output Resistance
The
q
denotes
the specifications which apply over the temperature range 0°C
≤
T
A
≤
70°C, V
S
=
±15V,
unless otherwise noted.
FT1007AC
FT1037AC
MIN
TYP
MAX
q
q
q
q
q
SYMBOL
V
OS
∆V
OS
∆Temp
I
OS
I
B
CMRR
PSRR
A
VOL
V
OUT
P
D
PARAMETER
Input Offset Voltage
Average Input Offset Drift
Input Offset Current
Input Bias Current
Input Voltage Range
Common Mode Rejection Ratio
Power Supply Rejection Ratio
Large-Signal Voltage Gain
Maximum Output Voltage Swing
Power Dissipation
CONDITIONS
(Note 2)
(Note 10)
MIN
FT1007C
FT1037C
TYP
MAX
35
0.3
15
±20
110
1.0
70
±75
UNITS
µV
µV/°C
nA
nA
V
dB
dB
V/µV
V/µV
V
20
0.2
10
±14
±10.5
114
106
4.0
2.5
±12.5
±11.8
126
126
18.0
14.0
±13.6
90
50
0.6
40
±45
±10.5
106
102
2.5
2.0
±12.0
144
±11.8
120
120
18.0
14.0
±13.6
90
160
V
CM
=
±10.5V
V
S
=
±4.5V
to
±18V
R
L
≥
2k, V
O
=
±10V
R
L
≥
1k, V
O
=
±10V
R
L
≥
2k
q
q
q
q
q
q
mW
Ashley Crt, Henley,
Marlborough, Wilts, SN8 3RH UK
Tel: +44(0)1264 731200
Fax:+44(0)1264 731444
E-mail
info@forcetechnologies.co.uk
tech@forcetechnologies.co.uk
sales@forcetechnologies.co.uk
www.forcetechnologies.co.uk
Unless otherwise stated in this SCD/Data sheet, Force Technologies Ltd reserve the right to make changes, without notice, in the products, Includ
-ing circuits, cells and/or software, described or contained herein in order to improve design and/or performance. Force Technologies resumes no
responsibility or liability for the use of any of these products, conveys no licence or any title under patent, copyright, or mask work to these
products, and makes no representation or warranties that that these products are free from patent, copyright or mask work infringement, unless
otherwise specified.
products, and makes no representation or warranties that that these products are free from patent, copyright or mask work infringement, unless
Life Support Applications
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for use in such applications do so at their own risk and agree to fully indemnify Force Technologies for any damages resulting from such
improper use or sale.
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