MAX4106 [MAXIM]
350MHz, Ultra-Low-Noise Op Amps; 350MHz的,超低噪声运算放大器型号: | MAX4106 |
厂家: | MAXIM INTEGRATED PRODUCTS |
描述: | 350MHz, Ultra-Low-Noise Op Amps |
文件: | 总12页 (文件大小:130K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
19-0442; Rev 1; 11/95
3 5 0 MHz, Ult ra -Lo w -No is e Op Am p s
6/MAX4107
_______________Ge n e ra l De s c rip t io n
____________________________Fe a t u re s
The MAX4106/MAX4107 op amps combine high-speed
performance with ultra-low-noise performance. The
MAX4106 is c omp e nsa te d for c lose d-loop g a ins of
5V/V, while the MAX4107 is stable in closed-loop gains
of 10V/V or greater.
♦ 350MHz -3dB Bandwidth (MAX4106)
♦ 275V/µs Slew Rate (MAX4106)
500V/µs Slew Rate (MAX4107)
♦ 18ns Settling Time to 0.01%
♦ 0.75nV/√Hz Voltage Noise
♦ High Output Drive: 80mA
The MAX4106/MAX4107 require only 15mA of supply
current while delivering a 350MHz or a 300MHz band-
wid th, re s p e c tive ly. Volta g e nois e is a n ultra -low
0.75nV/√Hz, while a low-distortion architecture provides
a s p urious -fre e d yna mic ra ng e (SFDR) of 63d B a t
5MHz.
These high-speed op amps have a wide output voltage
swing of ±3.2V and a high current-drive capability of
80mA.
________________________Ap p lic a t io n s
Ultra-Low-Noise ADC Preamp
Ultrasound
______________Ord e rin g In fo rm a t io n
PART
TEMP. RANGE
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
8 SO
MAX4106ESA
MAX4107ESA
8 SO
Low-Noise Preamplifier
High-Performance Receivers
Active Filters
Pulse/RF Amplifier
__________________P in Co n fig u ra t io n
________Typ ic a l Ap p lic a t io n Circ u it
+5V
TOP VIEW
0.1µF
1000pF
INPUT
8 to 16-BIT
HIGH-SPEED
ADC
MAX4107
1
2
3
4
8
7
6
5
N.C.
N.C.
IN-
MAX4106
MAX4107
V
CC
0.1µF
1000pF
OUT
N.C.
IN+
V
EE
-5V
R
240Ω
F
SO
R
G
27Ω
ADC BUFFER WITH GAIN (A = 10V/V)
VCL
________________________________________________________________ Maxim Integrated Products
1
Ca ll t o ll fre e 1 -8 0 0 -9 9 8 -8 8 0 0 fo r fre e s a m p le s o r lit e ra t u re .
3 5 0 MHz, Ult ra -Lo w -No is e Op Am p s
ABSOLUTE MAXIMUM RATINGS
Power-Supply Voltage (V to V ).......................................12V
Operating Temperature Range
CC
EE
Voltage on Any Pin to Ground or Any Other Pin .........V to V
MAX4106ESA/MAX4107ESA ..........................-40°C to +85°C
Storage Temperature Range .............................-65°C to +160°C
Junction Temperature ......................................................+150°C
Lead Temperature (soldering, 10sec) .............................+300°C
CC
EE
Short-Circuit Duration (V
to GND)........................Continuous
OUT
Continuous Power Dissipation (T = +70°C)
A
SO (derate 5.88mW/°C above +70°C)........................471mW
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(V = 5V, V = -5V, T = T
to T , typical values are at T = +25°C, unless otherwise noted.)
MAX A
CC
EE
A
MIN
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DC SPECIFICATIONS
Input Offset Voltage
Input Offset Voltage Drift
Input Bias Current
V
V
= 0V
= 0V
0.250
1.0
3
mV
µV/°C
µA
OS
OUT
6/MAX4107
TCV
V
OUT
OS
I
V
OUT
= 0V, V = -V
OS
18
26
2
B
IN
Input Offset Current
I
OS
V
OUT
= 0V, V = -V
OS
0.05
µA
IN
Common-Mode Input
Resistance
R
C
Either input
1
1
MΩ
INCM
Common-Mode Input
Capacitance
Either input
f = 10kHz
pF
INCM
Input Voltage Noise
e
0.75
9.5
2.5
31
nV/√Hz
n
Integrated Voltage Noise
Input Current Noise
E
f = 1MHz to 100MHz
f = 10kHz
µV
RMS
nRMS
I
n
pA/√Hz
nA
Integrated Current Noise
I
f = 1MHz to 100MHz
nRMS
RMS
Common-Mode Input Voltage
Common-Mode Rejection
Power-Supply Rejection
V
-2.5
70
2.5
19
V
CM
CMR
PSR
V
= ±2.5V
100
100
100
100
15
dB
dB
CM
V
S
= ±4.5V to ±5.5V
75
R
R
= ∞
80
L
L
V
= ±2.0V,
= 0V
OUT
Open-Loop Voltage Gain
Supply Current
A
VOL
dB
mA
V
V
CM
= 100Ω
80
I
V
IN
= 0V
= ∞
S
R
R
R
±3.2
±3.0
65
±3.8
±3.5
80
L
L
L
Output Voltage Swing
V
OUT
= 100Ω
Output Current Drive
I
= 30Ω, T = 0°C to +85°C
mA
mA
OUT
A
Short-Circuit Output Current
I
SC
Short to ground
90
2
_______________________________________________________________________________________
3 5 0 MHz, Ult ra -Lo w -No is e Op Am p s
6/MAX4107
ELECTRICAL CHARACTERISTICS (continued)
(V = 5V, V = -5V, T = T
to T , typical values are at T = +25°C, unless otherwise noted.)
MAX A
CC
EE
A
MIN
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
AC SPECIFICATIONS
MAX4106
MAX4107
350
300
75
-3dB Bandwidth
BW
V
≤ 0.1V
RMS
MHz
MHz
V/µs
-3dB
OUT
MAX4106, A
MAX4107, A
= +5
VCL
0.1dB Bandwidth
Slew Rate
BW
0.1dB
= +10
45
VCL
MAX4106
MAX4107
MAX4106
MAX4107
MAX4106
MAX4107
MAX4106
MAX4107
MAX4106
MAX4107
275
500
13
SR
-2V ≤ V
≤ 2V
OUT
-1V ≤ V
≤ 1V,
OUT
R
L
= 100Ω, to 0.1%
13
Settling Time
t
S
ns
ns
18
-1V ≤ V
≤ 1V,
OUT
R
L
= 100Ω, to 0.01%
18
13
10% to 90%,
-2V ≤ V ≤ 2V, R = 100Ω
OUT
L
6
Rise/Fall Times
t , t
R F
1
10% to 90%, -50mV ≤ V
≤ 50mV, R = 100Ω
OUT
L
1
MAX4106, A
= +5
= +10
= +5
0.04
0.03
0.02
0.03
2
VCL
Differential Gain
Differential Phase
DG
DP
f = 3.58MHz
f = 3.58MHz
%
MAX4107, A
VCL
MAX4106, A
VCL
VCL
degrees
MAX4107, A
= +10
Input Capacitance
Output Impedance
C
pF
IN
Z
OUT
f = 10MHz
0.7
63
Ω
MAX4106, A
= +5
VCL
Spurious-Free
Dynamic Range
f = 5MHz,
C
SFDR
IP3
dBc
V
OUT
= 2Vp-p
MAX4107, A
= +10
60
VCL
Two-Tone Third-Order Intercept
f
C
= 10MHz
24
dBm
_______________________________________________________________________________________
3
3 5 0 MHz, Ult ra -Lo w -No is e Op Am p s
__________________________________________Typ ic a l Op e ra t in g Ch a ra c t e ris t ic s
(V = +5V, V = -5V, R = 100Ω, T = +25°C, unless otherwise noted.)
CC
EE
L
A
MAX4106
MAX4107
MAX4106
SMALL-SIGNAL GAIN vs. FREQUENCY
SMALL-SIGNAL GAIN vs. FREQUENCY
SMALL-SIGNAL GAIN vs. FREQUENCY
(A = +5, +6)
VCL
(A = +10)
VCL
(A = +10)
VCL
19
24
23
24
23
18
17
16
22
21
22
21
A
= +6
= +5
VCL
15
14
13
12
11
10
9
20
19
18
17
16
15
14
20
19
18
17
16
15
14
A
VCL
0.1M
1M
10M
100M
1G
0.1M
1M
10M
100M
1G
0.1M
1M
10M
100M
1G
6/MAX4107
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
MAX4107
SMALL-SIGNAL GAIN vs. FREQUENCY
VOLTAGE NOISE
vs. FREQUENCY
CURRENT NOISE
vs. FREQUENCY
(A = +20)
VCL
30
29
100
10
1
10
28
27
26
25
24
23
22
21
20
1
0.1
0.1M
1M
10M
100M
1G
1
10 100 1k 10k 100k 1M 10M
FREQUENCY (Hz, Log)
1
10 100 1k 10k 100k 1M 10M
FREQUENCY (Hz, Log)
FREQUENCY (Hz)
MAX4106
SMALL-SIGNAL PULSE RESPONSE
MAX4106
LARGE-SIGNAL PULSE RESPONSE
MAX4106
SMALL-SIGNAL PULSE RESPONSE
(A = +10)
VCL
(A = +5)
VCL
(A = +5)
VCL
IN
IN
IN
GND
GND
OUT
OUT
OUT
GND
TIME (20ns/div)
TIME (20ns/div)
TIME (20ns/div)
4
_______________________________________________________________________________________
3 5 0 MHz, Ult ra -Lo w -No is e Op Am p s
6/MAX4107
____________________________Typ ic a l Op e ra t in g Ch a ra c t e ris t ic s (c o n t in u e d )
(V = +5V, V = -5V, R = 100Ω, T = +25°C, unless otherwise noted.)
CC
EE
L
A
MAX4107
MAX4106
MAX4107
SMALL-SIGNAL PULSE RESPONSE
LARGE-SIGNAL PULSE RESPONSE
SMALL-SIGNAL PULSE RESPONSE
(A = +20)
VCL
(A = +10)
VCL
(A = +10)
VCL
IN
IN
IN
OUT
GND
OUT
GND
OUT
GND
TIME (10ns/div)
TIME (20ns/div)
TIME (10ns/div)
MAX4107
MAX4107
LARGE-SIGNAL PULSE RESPONSE
LARGE-SIGNAL PULSE RESPONSE
CLOSED-LOOP OUTPUT IMPEDANCE
vs. FREQUENCY
(A = +10)
VCL
(A = +20)
VCL
7k
2.2k
IN
IN
708
224
70.7
22.4
7.1
GND
OUT
GND
OUT
2.2
0.7
0.2
0.07
TIME (10ns/div)
TIME (10ns/div)
0.1M
1M
10M
100M
1G
FREQUENCY (Hz)
MAX4106
MAX4107
COMMON-MODE REJECTION
vs. FREQUENCY
POWER-SUPPLY REJECTION
vs. FREQUENCY
COMMON-MODE REJECTION
vs. FREQUENCY
140
120
85
75
65
55
45
35
25
140
120
100
80
100
80
60
40
60
40
20
20
0
15
5
0
-20
-40
-20
-40
-60
-5
0.1M
1M
10M
100M
1G
10k
100k
1M
10M 100M
1G
30k
100k
1M
10M 100M 1G
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
_______________________________________________________________________________________
5
3 5 0 MHz, Ult ra -Lo w -No is e Op Am p s
____________________________Typ ic a l Op e ra t in g Ch a ra c t e ris t ic s (c o n t in u e d )
(V = +5V, V = -5V, R = 100Ω, T = +25°C, unless otherwise noted.)
CC
EE
L
A
MAX4106
MAX4107
HARMONIC DISTORTION vs. FREQUENCY
TWO-TONE THIRD-ORDER INTERCEPT
vs. FREQUENCY
HARMONIC DISTORTION vs. FREQUENCY
(A = +5)
VCL
(A = +10)
VCL
35
0
-10
V
R
L
= 2Vp-p
= 100Ω
V
R
L
= 2Vp-p
= 100Ω
O
O
-10
-20
-30
30
25
20
15
-30
-50
-70
3RD HARMONIC
MAX4107
MAX4106
2ND HARMONIC
-40
-50
-60
-70
-80
2ND HARMONIC
10
5
-90
3RD HARMONIC
-90
0
-100
-110
1
10
100
0.1
1
10
100
0.1
1
10
100
6/MAX4107
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
MAX4107
MAX4106
MAX4107
HARMONIC DISTORTION vs. FREQUENCY
5MHz HARMONIC DISTORTION
vs. LOAD RESISITANCE
5MHz HARMONIC DISTORTION
vs. LOAD RESISTANCE
(A = +20)
VCL
0
0
-10
-20
-30
-40
10
A
V
O
= +5
= 2Vp-p
VCL
A
VCL
= +10
-10
-20
-30
V
O
= 2Vp-p
-10
-30
-50
2ND HARMONIC
-40
-50
-60
-70
-80
-50
-60
2ND HARMONIC
3RD HARMONIC
2ND HARMONIC
3RD HARMONIC
-70
-70
-80
-90
3RD HARMONIC
10M
-90
-90
-100
-110
-100
0.1M
1M
100M
0
200
400
600
800
1000
0
200
400
600
800
1000
FREQUENCY (Hz)
LOAD RESISTANCE (Ω)
LOAD RESISTANCE (Ω)
MAX4106
5MHz HARMONIC DISTORTION
vs. OUTPUT SWING
MAX4107
5MHz HARMONIC DISTORTION
vs. OUTPUT SWING
MAX4106
DIFFERENTIAL GAIN AND PHASE
0.06
0.04
10
0
-10
-20
-30
-40
R
= 150Ω
L
A
R
L
= +10
= 100Ω
VCL
A
R
L
= +5
= 100Ω
VCL
0.02
-10
0.00
-0.02
-0.04
-0.06
-30
-50
0
IRE
100
-50
-60
2ND HARMONIC
2ND HARMONIC
3RD HARMONIC
0.03
0.02
R
L
= 150Ω
-70
-70
-80
0.01
0.00
-90
3RD HARMONIC
-90
-0.01
-0.02
-0.03
-110
-100
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
OUTPUT SWING (V
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
OUTPUT SWING (V
0
IRE
100
)
P-P
)
P-P
6
_______________________________________________________________________________________
3 5 0 MHz, Ult ra -Lo w -No is e Op Am p s
6/MAX4107
____________________________Typ ic a l Op e ra t in g Ch a ra c t e ris t ic s (c o n t in u e d )
(V = +5V, V = -5V, R = 100Ω, T = +25°C, unless otherwise noted.)
CC
EE
L
A
MAX4107
DIFFERENTIAL GAIN AND PHASE
OUTPUT SWING
vs. LOAD RESISTANCE
POSITIVE OUTPUT VOLTAGE SWING
vs. TEMPERATURE
0.06
7.5
7.0
3.9
3.8
0.04
R
L
= ∞
0.02
0.00
6.5
6.0
3.7
3.6
-0.02
-0.04
0
IRE
100
0.02
0.01
R = 100Ω
L
5.5
3.5
0.00
5.0
4.5
3.4
3.3
-0.01
-0.02
-0.03
30
50
70
90
110 130 150
-75 -50 -25
0
25 50 75 100 125 150
-0.04
LOAD RESISTANCE (Ω)
TEMPERATURE (°C)
0
IRE
100
NEGATIVE OUTPUT VOLTAGE SWING
vs. TEMPERATURE
INPUT BIAS CURRENT
vs. TEMPERATURE
POWER-SUPPLY CURRENT
vs. TEMPERATURE
-3.3
-3.4
30
28
26
24
20
15
10
5
R
L
= 100Ω
I
CC
-3.5
-3.6
22
20
0
18
16
-5
-3.7
R
L
= ∞
-10
-15
-20
14
12
I
EE
-3.8
-3.9
10
-75 -50 -25
0
25 50 75 100 125 150
-75 -50 -25
0
25 50 75 100 125 150
-75 -50 -25
0
25 50 75 100 125 150
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
INPUT OFFSET VOLTAGE
vs. TEMPERATURE
INPUT OFFSET CURRENT
vs. TEMPERATURE
0.40
0.35
0.23
0.21
0.19
0.17
0.30
0.25
0.15
0.13
0.11
0.09
0.20
0.07
0.05
0.15
0.10
0.03
-75 -50 -25
0
25 50 75 100 125 150
-75 -50 -25
0
25 50 75 100 125 150
TEMPERATURE (°C)
TEMPERATURE (°C)
_______________________________________________________________________________________
7
3 5 0 MHz, Ult ra -Lo w -No is e Op Am p s
The MAX4106/MAX4107 are ultra-low-noise, high-band-
_____________________P in De s c rip t io n
width op amps. The output noise voltage can be domi-
nated by resistor thermal noise, so keep the feedback
and input resistors small. Setting the input resistor to
30Ω and choosing the feedback resistor to suit the gain
will provide excellent AC performance without signifi-
cantly degrading noise performance.
PIN
NAME
N.C.
IN-
FUNCTION
No Connection, not internally connected
Inverting Input
1, 5, 8
2
3
4
6
7
IN+
Noninverting Input
Drivin g Ca p a c it ive Lo a d s
The MAX4106/MAX4107 are optimized for AC perfor-
mance. They are not designed to drive highly reactive
loads. Reactive loads will decrease phase margin and
may produce excessive ringing and oscillation. Figure
1a shows a circuit that eliminates this problem, and
Figure 1b is a graph of the optimal isolation resistor
V
Negative Power Supply, connect to -5V
Amplifier Output
EE
OUT
V
CC
Positive Power Supply, connect to +5V
_______________Ge n e ra l De s c rip t io n
(R ) vs. capacitive load. Figures 2a and 2b show how a
capacitive load causes excessive peaking of the ampli-
fier’s bandwidth if the capacitive load is not isolated
S
Ch o o s in g Re s is t o r Va lu e s
The values of the gain-setting feedback and input resis-
tors are important design considerations. Large resistor
values will increase voltage noise, and will interact with
the amplifier’s input and PC board capacitance to gen-
erate undesirable poles and zeros, which can decrease
bandwidth or cause oscillations. For example, a nonin-
verting gain of +5 (MAX4106), using a 1kΩ feedback
resistor combined with 2pF of input capacitance and
0.5pF of board capacitance, will cause a feedback
pole at 318MHz. If this pole is within the anticipated
a mp lifie r b a nd wid th, it will je op a rd ize s ta b ility.
Reducing the 1kΩ feedback resistor to 40Ω will extend
the pole frequency to 8GHz, but could limit output
swing by adding 50Ω in parallel with the amplifier’s
load. Clearly the selection of resistor values must be
tailored to the specific application.
(R ) from the amplifier. A small isolation resistor (usual-
S
6/MAX4107
ly 10Ω to 20Ω) placed before the reactive load prevents
ringing and oscillation. At higher capacitive loads, AC
performance will be controlled by the interaction of the
load capacitance and isolation resistor. Figures 3a and
3b s how the e ffe c t of a n is ola tion re s is tor on the
MAX4106/MAX4107 closed-loop response.
Coaxial cable and other transmission lines are easily
driven when terminated at both ends with their charac-
te ris tic imp e d a nc e . Whe n d riving b a c k-te rmina te d
transmission lines, the capacitance of the transmission
line is essentially eliminated.
R
G
30Ω
R
F
30
25
MAX4107
20
R
S
MAX4106
MAX4107
15
V
IN
R
L
C
L
10
MAX4106
5
0
PART
RF (Ω) GAIN (V/V)
MAX4106
MAX4107
120
270
+5
10 40
70 100 130 160 190 220
CAPACITANCE (pF)
+10
Figure 1a. Using an Isolation Resistor for High Capacitive
Loads
Figure 1b. Optimal Isolation Resistor (R ) vs. Capacitive Load
S
8
_______________________________________________________________________________________
3 5 0 MHz, Ult ra -Lo w -No is e Op Am p s
6/MAX4107
22
26
C = 15pF
L
R
A
VCL
= 0Ω
= +10
S
R
A
VCL
= 0Ω
= +5
S
20
18
16
14
24
22
20
18
C = 10pF
C = 10pF
L
L
C = 5pF
L
C = 5pF
L
12
10
8
16
14
12
10
6
0.1M
1M
10M
100M
1G
0.1M
1M
10M
100M
1G
FREQUENCY (Hz)
FREQUENCY (Hz)
Figure 2a. MAX4106 Response vs. Capacitive Load—No
Figure 2b. MAX4107 Response vs. Capacitive Load—No
Resistive (R ) Isolation (circuit shown in Figure 1)
Isolation (R ) Resistor (circuit shown in Figure 1)
S
S
20
26
R
= 4.7Ω
S
C = 10pF
L
C = 10pF
L
R
= 2.2Ω
S
18
16
14
12
24
22
20
18
A
= +5
VCL
A
= +10
VCL
R
S
= 10Ω
R
= 10Ω
S
R
S
= 22Ω
R
S
= 22Ω
10
8
16
14
12
10
6
4
0.1M
1M
10M
100M
1G
0.1M
1M
10M
100M
1G
FREQUENCY (Hz)
FREQUENCY (Hz)
Figure 3b. MAX4107 Response vs. Capacitive Load with
Resistive (R ) Isolation (circuit shown in Figure 1)
Figure 3a. MAX4106 Response vs. Capacitive Load with
Resistive (R ) Isolation (circuit shown in Figure 1)
S
S
_______________________________________________________________________________________
9
3 5 0 MHz, Ult ra -Lo w -No is e Op Am p s
___________________Ch ip In fo rm a t io n
TRANSISTOR COUNT: 55
6/MAX4107
________________________________________________________P a c k a g e In fo rm a t io n
INCHES
MILLIMETERS
DIM
MIN
0.053
MAX
0.069
0.010
0.019
0.010
0.157
MIN
1.35
0.10
0.35
0.19
3.80
MAX
1.75
0.25
0.49
0.25
4.00
A
D
A1 0.004
B
C
E
e
0.014
0.007
0.150
0°-8°
A
0.101mm
0.004in.
0.050
1.27
e
H
L
0.228
0.016
0.244
0.050
5.80
0.40
6.20
1.27
A1
C
B
L
INCHES
MILLIMETERS
DIM PINS
Narrow SO
SMALL-OUTLINE
PACKAGE
MIN MAX
MIN
MAX
5.00
8.75
8
0.189 0.197 4.80
D
D
D
E
H
14 0.337 0.344 8.55
16 0.386 0.394 9.80 10.00
21-0041A
(0.150 in.)
10 ______________________________________________________________________________________
3 5 0 MHz, Ult ra -Lo w -No is e Op Am p s
6/MAX4107
______________________________________________________________________________________ 11
3 5 0 MHz, Ult ra -Lo w -No is e Op Am p s
6/MAX4107
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are
implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
12 __________________Ma x im In t e g ra t e d P ro d u c t s , 1 2 0 S a n Ga b rie l Drive , S u n n yva le , CA 9 4 0 8 6 (4 0 8 ) 7 3 7 -7 6 0 0
© 1995 Maxim Integrated Products
Printed USA
is a registered trademark of Maxim Integrated Products.
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