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19-0461; Rev 2; 4/97
EVAALVUAAILTAIOBNLEKIT 400MHz, Ultra-Low-Distortion Op Amps
_______________General Description
The MAX4108/MAX4109/MAX4308/MAX4309 op amps
combine ultra-high-speed performance with ultra-low-
distortion operation. The MAX4108 is compensated for
unity-gain stability; the MAX4109, MAX4308, and
MAX4309 are compensated for minimum closed-loop
gains (AVCL) of 2V/V, 5V/V, and 10V/V, respectively.
The MAX4108 delivers a 400MHz unity-gain bandwidth
with a 1200V/µs slew rate. An ultra-low-distortion design
provides an unprecedented spurious-free dynamic
range of -93dBc (MAX4108) at 5MHz (VOUT = 2Vp-p, RL
= 100), making these amplifiers ideal for high-perfor-
mance RF signal processing.
These high-speed op amps feature a wide output volt-
age swing and a high-current output-drive capability of
90mA.
________________________Applications
High-Speed ADC/DAC Preamp
RGB and Composite Video
High-Performance Receivers
Pulse/RF Amplifier
Active Filters
Ultrasound
Broadcast and High-Definition TV
____________________________Features
o High Speed:
400MHz Unity-Gain Bandwidth (MAX4108)
225MHz -3dB Bandwidth (AVCL = +2, MAX4109)
220MHz -3dB Bandwidth (AVCL = +5, MAX4308)
200MHz -3dB Bandwidth (AVCL = +10, MAX4309)
o 1200V/µs Slew Rate
o Excellent Spurious-Free Dynamic Range:
-93dBc at fC = 5MHz (MAX4108)
-90dBc at fC = 5MHz (MAX4109)
o 100MHz 0.1dB Gain Flatness (MAX4108)
o High Full-Power Bandwidth: 300MHz
(MAX4108, VO = 2Vp-p)
o High Output Drive: 90mA
o Output Short-Circuit Protected
o Low Differential Gain/Phase: 0.004%/0.008°
______________Ordering Information
PART
MAX4108ESA
MAX4109ESA
MAX4308ESA
MAX4309ESA
TEMP. RANGE
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
8 SO
8 SO
8 SO
8 SO
________Typical Application Circuit
300
300
53.6*
300
MAX4109
10
12-BIT ADC
60*
300
* USED TO MATCH A 50
SOURCE IMPEDANCE
__________________Pin Configuration
TOP VIEW
N.C. 1
IN- 2
IN+ 3
VEE 4
MAX4108
MAX4109
MAX4308
MAX4309
SO
8 VCC
7 VCC
6 OUT
5 VEE
DIFFERENCE AMPLIFIER/ADC PREAMPLIFIER
________________________________________________________________ Maxim Integrated Products 1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800

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400MHz, Ultra-Low-Distortion Op Amps
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (VCC to VEE) ..................................................12V
Voltage on Any Pin to Ground or
Any Other Pin ..............................(VEE - 0.3V) to (VCC + 0.3V)
Short-Circuit Duration (OUT to GND) .........................Continuous
Continuous Power Dissipation (TA = +70°C)
SO (derate 5.88mW/°C above +70°C) ........................471mW
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Junction Temperature ......................................................+150°C
Lead Temperature (soldering, 10sec) .............................+300°C
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
(VCC = +5V, VEE = -5V, TA = TMIN to TMAX, typical values are at TA = +25°C, unless otherwise noted.)
PARAMETER
DC SPECIFICATIONS (RL = )
Input Offset Voltage
Input Offset Voltage Drift
Input Bias Current
Input Offset Current
Common-Mode Input
Resistance
SYMBOL
VOS
TCVOS
IB
IOS
RINCM
CONDITIONS
VOUT = 0V
VOUT = 0V
VOUT = 0V, VIN = -VOS
VOUT = 0V, VIN = -VOS
Either input
Common-Mode Input
Capacitance
Input Voltage Noise
Integrated Voltage Noise
Input Current Noise
Integrated Current Noise
Common-Mode Input Voltage
Common-Mode Rejection
Power-Supply Rejection
Open-Loop Voltage Gain
Quiescent Supply Current
CINCM
en
EnRMS
in
In
VCM
CMR
PSR
AOL
IS
Either input
f = 10kHz
fB = 1MHz to 100MHz
f = 10kHz
fB = 1MHz to 100MHz
VCM = ±2.5V
VS = ±4.5V to ±5.5V
VOUT = ±2.0V, VCM = 0V, RL = 100
VIN = 0V
Output Voltage Swing
VOUT
RL =
RL = 100
Output Current Drive
IOUT
Short-Circuit Output Current
ISC
AC SPECIFICATIONS (RL = 100)
-3dB Bandwidth
BW-3dB
RL = 33, TA = 0°C to +85°C
Short to ground
VOUT 0.1VRMS
MAX4108
MAX4109
MAX4308
MAX4309
MIN
-2.5
70
70
70
2.5 to
-3.1
2.5 to
-3.1
65
TYP
1
13
12
0.05
1.5
1
6
75
2
25
100
90
100
20
2.9 to
-3.8
2.7 to
-3.7
90
100
400
225
220
200
MAX UNITS
8 mV
µV/°C
34 µA
2.5 µA
M
pF
nV/Hz
µVRMS
pA/Hz
nARMS
2.5 V
dB
dB
dB
27 mA
V
mA
mA
MHz
2 _______________________________________________________________________________________

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400MHz, Ultra-Low-Distortion Op Amps
ELECTRICAL CHARACTERISTICS (continued)
(VCC = +5V, VEE = -5V, TA = TMIN to TMAX, typical values are at TA = +25°C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
AC SPECIFICATIONS (RL = 100) (continued)
MAX4108
Full-Power Bandwidth
FPBW VOUT = 2Vp-p
MAX4109
MAX4308
MAX4309
0.1dB Gain Flatness
Slew Rate
Settling Time
BW0.1dB
SR
MAX4108, AVCL = +1
MAX4109, AVCL = +2
MAX4308, AVCL = +5
MAX4309, AVCL = +10
-2V VOUT 2V
tS -1V VOUT 1V
To 0.1%
To 0.01%
Rise/Fall Times
tR, tF 10% to 90%
-2V VOUT
2V
-50mV VOUT
50mV
Differential Gain
Differential Phase
Input Capacitance
Output Resistance
DG
DP
CIN
ROUT
f = 3.58MHz, RL = 150
f = 3.58MHz, RL = 150
f = 10MHz
MAX4108,
VOUT = 2Vp-p, AVCL = +1
fC = 5MHz,
RL = 100
fC = 20MHz,
RL = 100
Spurious-Free Dynamic Range
SFDR
MAX4109,
VOUT = 2Vp-p, AVCL = +2
MAX4308,
VOUT = 2Vp-p, AVCL = +5
fC = 5MHz,
RL = 100
fC = 20MHz,
RL = 100
fC = 5MHz,
RL = 100
fC = 20MHz,
RL = 100
MAX4309,
VOUT = 2Vp-p, AVCL = +10
fC = 5MHz,
RL = 100
fC = 20MHz,
RL = 100
Third-Order Intercept
IP3 fC = 10MHz
MAX4108
MAX4109
MAX4308
MAX4309
MIN
TYP
300
200
190
130
100
25
100
30
1200
8
12
3
2
0.004
0.008
2
1
-93
-81
-90
-80
-83
-80
-83
-80
39
36
46
43
MAX UNITS
MHz
MHz
V/µs
ns
ns
%
degrees
pF
dBc
dBm
_______________________________________________________________________________________ 3

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400MHz, Ultra-Low-Distortion Op Amps
__________________________________________Typical Operating Characteristics
(VCC = +5V, VEE = -5V, RL = 100, TA = +25°C, unless otherwise noted.)
MAX4108
SMALL-SIGNAL GAIN vs. FREQUENCY
2
1 VOUT 100mVp-p
AVCL = +1
0
-1
-2 AVCL = +2
-3
-4
-5
-6
-7
-8
0.1
1 10 100
FREQUENCY (MHz)
1000
MAX4108
LARGE-SIGNAL GAIN vs. FREQUENCY
4
3
VOUT = 2Vp-p
AVCL = +1
2
1
0
-1
-2
-3
-4
-5
-6
0.1
1 10 100
FREQUENCY (MHz)
1000
MAX4109
SMALL-SIGNAL GAIN vs. FREQUENCY
2
1 VOUT 100mVp-p
AVCL = +2
0
-1
-2
-3
AVCL = +5
-4
-5
-6
-7
-8
0.1
1 10 100
FREQUENCY (MHz)
1000
MAX4109
LARGE-SIGNAL GAIN vs. FREQUENCY
2
1
VOUT = 2Vp-p
AVCL = +2
0
-1
-2
-3
-4
-5
-6
-7
-8
1
10 100
FREQUENCY (MHz)
1000
MAX4308
SMALL-SIGNAL GAIN vs. FREQUENCY
4
3 VOUT 100mVp-p
2 AVCL = +5
1
0
-1
-2
-3
-4
-5
-6
0.1
1 10 100
FREQUENCY (MHz)
1000
MAX4309
SMALL-SIGNAL GAIN vs. FREQUENCY
4
3 VOUT 100mVp-p
2
1 AVCL = +10
0
-1
-2
-3
-4
-5 AVCL = +20
-6
0.1
1 10 100
FREQUENCY (MHz)
1000
MAX4308/MAX4309
LARGE-SIGNAL GAIN vs. FREQUENCY
4
3 VOUT = 2Vp-p
2 MAX4308
1 AVCL = +5
0
-1
-2
-3
-4 MAX4309
-5 AVCL = +10
-6
0.1
1 10 100
FREQUENCY (MHz)
1000
MAX4108
HARMONIC DISTORTION vs. FREQUENCY
-40
VOUT = 2Vp-p
-50 AVCL = +1
-60
-70
-80
-90 2ND HARMONIC
-100
-110
0.1
3RD HARMONIC
1 10
FREQUENCY (MHz)
100
MAX4109
HARMONIC DISTORTION vs. FREQUENCY
10
VOUT = 2Vp-p
-10 AVCL = +2
-30
-50
-70
2ND HARMONIC
-90
-110
0.1
3RD HARMONIC
1 10
FREQUENCY (MHz)
100
4 _______________________________________________________________________________________

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400MHz, Ultra-Low-Distortion Op Amps
____________________________Typical Operating Characteristics (continued)
(VCC = +5V, VEE = -5V, RL = 100, TA = +25°C, unless otherwise noted.)
MAX4308/MAX4309
HARMONIC DISTORTION vs.FREQUENCY
-20
VOUT = 2Vp-p
-30 MAX4308: AVCL = +5
MAX4309: AVCL = +10
-40
-50
-60
-70
-80
3RD
-90 HARMONIC
2ND HARMONIC
-100
0.1
1 10
FREQUENCY (MHz)
100
MAX4108
HARMONIC DISTORTION vs. LOAD
-30
AVCL = +1
-40
VOUT = 2Vp-p
fO = 20MHz
-50
-60
-70 2ND HARMONIC
-80
-90 3RD HARMONIC
-100
10
100
RESISTIVE LOAD ()
1000
MAX4109
HARMONIC DISTORTION vs. LOAD
-30
AVCL = +2
-40
VOUT = 2Vp-p
fO = 20MHz
-50
-60
-70 2ND HARMONIC
-80
-90 3RD HARMONIC
-100
10
100
RESISTIVE LOAD ()
1000
MAX4308/MAX4309
HARMONIC DISTORTION vs. LOAD
-20
VOUT = 2Vp-p
-30 fO = 5MHz
MAX4308: AVCL = +5
-40 MAX4309: AVCL = +10
-50
-60
-70 2ND HARMONIC
-80
MAX4108
HARMONIC DISTORTION vs. OUTPUT SWING
-30
AVCL = +1
-40
VOUT = 2Vp-p
fO = 20MHz
-50
-60
-70
-80 2ND HARMONIC
MAX4109
HARMONIC DISTORTION vs. OUTPUT SWING
-30
AVCL = +2
-40
VOUT = 2Vp-p
fO = 20MHz
-50
-60
-70
-80 2ND HARMONIC
-90 3RD HARMONIC
-100
10
100
RESISTIVE LOAD ()
-90
-100
1000 0.1
3RD HARMONIC
1
OUTPUT SWING (Vp-p)
10
-90
-100
0.1
3RD HARMONIC
1
OUTPUT SWING (Vp-p)
10
MAX4308/MAX4309
HARMONIC DISTORTION
vs. OUTPUT SWING
-20
VOUT = 2Vp-p
-30 fO = 5MHz
MAX4308: AVCL = +5
-40 MAX4309: AVCL = +10
-50
-60
-70
2ND HARMONIC
-80
MAX4109
TWO-TONE THIRD-ORDER INTERCEPT
vs. FREQUENCY
45
40
35
30
25
20
100
10
INPUT VOLTAGE NOISE
vs. FREQUENCY
-90 3RD HARMONIC
-100
0.1
1
RESISTIVE LOAD ()
15
10
10 1
10
FREQUENCY (MHz)
1
100 1 10 100 1k 10k 100k 1M
FREQUENCY (Hz)
_______________________________________________________________________________________ 5