19-2394; Rev 1; 7/97
Single/Dual/Quad High-Speed, Fast-Settling,
High Output Current Operational Amplifier
General Description
The MAX408/428/448 are high speed general purpose
monolithic operational amplifiers in a single, dual or
quad package, that are useful for signal frequencies
extending into the video range. These Op Amps func-
tion in gain configurations greater-than or equal-to 3.
High output current allows large capacitive loads to be
driven at high speeds.
Open-loop voltage gain of 10k V/V and high slew rate of
90V/µs make the MAX408/428/448 ideal for analog
amplification and high speed signal processing. 100MHz
gain bandwidth and a ±0.1% settling time of l50ns make
each amplifier ideal for fast data conversion systems.
The amplifiers are capable of driving back terminated
transmission lines of 75Ω with amplitudes of 5V peak-
to-peak.
Along with the high speed and output drive capability,
a 35nA offset current and trimmable offset voltage
make the MAX408/428/448 optimal for signal condition-
ing applications where accuracy must be maintained.
o
Fast Settling Time: ±0.1% In 150ns
o
High Slew Rate: 90V/µs
o
Large Gain Bandwidth: 100MHz
o
Full Power Bandwidth: 4.8MHz at 6V p-p
o
Ease of Use: Internally Compensated for
A
CL
≥
3 with 50°–60° Phase Margin
o
Low Supply Voltage Operation: ±4V
o
Wide Input Voltage Range: Within 1.5V of V+ and
0.5V of V-
o
Minimal Crosstalk: >90dB Separation
(MAX428/448)
o
Short Circuit Protection
Features
MAX408/428/448
Applications
Video Amplifiers
Test Equipment
Waveform Generators
Video Distribution
Pulse Amplifiers
PART
MAX408ACPA
Ordering Information
TEMP. RANGE
0°C to +70°C
PIN-PACKAGE
8 Lead Plastic DIP
MAX408ACSA
0°C to +70°C
8 Lead Small Outline
MAX408CPA
0°C to +70°C
8 Lead Plastic DIP
MAX408CSA
0°C to +70°C
8 Lead Small Outline
MAX408C/D
0°C to +70°C
Dice
Ordering Information continued at end of data sheet.
Pin Configurations
TOP VIEW
OUTA 1
+
+
-IN
A
2
3
A
-
D
-
14 OUT
D
13 -IN
D
12 +IN
D
BALANCE
1
8
N.C.
V+
OUT
BALANCE
OUT 1
1
-
-IN
A
2
+IN
A
3
MAX408
-IN
2
+IN
3
-
+
7
6
5
A
+
B
-
+
8
7
6
5
V+
OUT2
-IN
B
+IN
B
+IN
A
V+ 4
+IN
B
5
-IN
B
6
OUT
B
7
-
MAX448
-
+
+
11 V-
10 +IN
C
B
C
9
8
-IN
C
OUT
C
V-
4
V-
4
MAX428
DIP/SO
DIP/SO
DIP/SO
________________________________________________________________
Maxim Integrated Products
1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
Single/Dual/Quad High-Speed, Fast-Settling,
High Output Current Operational Amplifier
MAX408/428/448
ABSOLUTE MAXIMUM RATINGS
Supply Voltages.....................................................................+6V
Differential Input Voltage .......................................................+9V
Common Mode Input Voltage .......................................|Vs| -0.5V
Output Short Circuit Current Duration ...........................Indefinite
Continuous Power Dissipation (T
A
= +70°C)
8-Pin Plastic DIP (derate 9.09mW/°C above +70°C) ....727mW
8-Pin SO (derate 5.88mW/°C above +70°C).................471mW
14-Pin Plastic DIP
(derate 10.00mW/°C above +70°C) .........................800mW
14-Pin SO (derate 8.33mW/°C above +70°C)...............667mW
Operating Temperature Range
Commercial (MAX4_8AC/C) ................................0°C to +70°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (Soldering, 60 seconds)...................+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—MAX408
(V
S
= ±5V, T
A
= +25°C, unless otherwise noted.)
PARAMETER
Input Offset Voltage
Average Offset Voltage Drift
Input Bias Current
Input Offset Current
Input Common Mode Range
Differential Input Resistance
Common Mode Input
Resistance
Differential Input Capacitance
Common Mode Input
Capacitance
Input Voltage Noise
Open Loop Voltage Gain
Output Voltage Swing
Power Supply Current
Common Mode Rejection Ratio
Power Supply Rejection Ratio
Slew Rate (Note 1)
SYMBOL
V
OS
∆V
OS
/∆T
I
B
I
OS
V
CM
R
IND
R
INC
C
IND
C
INC
e
N
A
V
V
OUT
I
S
CMRR
PSRR
SR
V
CM
= ±2V
∆V
PS
= ±0.5V
10–90% of Leading
Edge (Figure 1)
To ±0.1% (±4mV) of
Final Value (Figure 1)
(Note 1)
60
60
60
BW = 10Hz to 100kHz
V
OUT
= ±3V, R
L
= 2kΩ
R
L
= 2kΩ
R
L
= 150Ω
2
±3.5
±2.0
(Note 1)
(Note 1)
T
A
= 25°C
0°C
≤
T
A
≤
70°C
+3
-4
3
4
CONDITIONS
T
A
= 25°C
0°C
≤
T
A
≤
70°C
0°C
≤
T
A
≤
70°C
MAX408C
MIN
TYP
5
8
20
650
35
70
+3.5
-4.5
10
8
2
3
12
5
±2.4
7
70
66
90
10
60
60
60
5
±3.5
±2.5
1100
120
200
+3
-4
3
4
MAX
12
16
MIN
MAX408AC
TYP
3
5
20
650
35
70
+3.5
-4.5
10
8
2
3
12
10
±2.7
7
70
66
90
10
1100
120
200
MAX
6
10
UNITS
mV
µV/°C
nA
nA
V
MΩ
MΩ
pF
pF
µV
RMS
V/mV
V
mA
dB
dB
V/µS
Settling Time
Gain Bandwidth Product
t
S
GBW
150
100
200
150
100
200
ns
MHz
Note 1:
Not tested, guaranteed by design.
2
_______________________________________________________________________________________
Single/Dual/Quad High-Speed, Fast-Settling,
High Output Current Operational Amplifier
ELECTRICAL CHARACTERISTICS—MAX428
(V
S
= ±5V, T
A
= +25°C, unless otherwise noted.)
PARAMETER
Input Offset Voltage
Average Offset Voltage Drift
Input Bias Current
Input Offset Current
Input Common Mode Range
Differential Input Resistance
Common Mode Input
Resistance
Differential Input Capacitance
Common Mode Input
Capacitance
Input Voltage Noise
Open Loop Voltage Gain
Output Voltage Swing
Power Supply Current
(Both Amplifiers)
Common Mode Rejection Ratio
Power Supply Rejection Ratio
Slew Rate (Note 1)
SYMBOL
V
OS
∆V
OS
/∆T
I
B
I
OS
V
CM
R
IND
R
INC
C
IND
C
INC
e
N
A
V
V
OUT
I
S
CMRR
PSRR
SR
V
CM
= ±2V
∆V
PS
= ±0.5V
10–90% of Leading
Edge (Figure 1)
To ±0.1% (±4mV) of
Final Value (Figure 1)
(Note 1)
60
60
60
BW = 10Hz to 100kHz
V
OUT
= ±3V, R
L
= 2kΩ
R
L
= 2kΩ
R
L
= 150Ω
2
±3.5
±2.0
(Note 1)
(Note 1)
+3
-4
3
4
CONDITIONS
T
A
= 25°C
0°C
≤
T
A
≤
70°C
0°C
≤
T
A
≤
70°C
T
A
= 25°C
0°C
≤
T
A
≤
70°C
MAX428C
MIN
TYP
5
8
20
650
35
+3.5
-4.5
10
8
2
3
12
5
±2.4
15
70
66
90
20
60
60
60
5
±3.5
±2.5
1100
1700
120
+3
-4
3
4
MAX
12
16
MIN
MAX428AC
TYP
3
5
20
650
35
+3.5
-4.5
10
8
2
3
12
10
±2.7
15
70
66
90
20
1100
1700
120
MAX
6
10
UNITS
mV
µV/°C
mA
nA
V
MΩ
MΩ
pF
pF
µV
RMS
V/mV
V
mA
dB
dB
V/µS
MAX408/428/448
Settling Time
Gain Bandwidth Product
t
S
GBW
150
100
200
150
100
200
ns
MHz
Note 1:
Not tested, guaranteed by design.
_______________________________________________________________________________________
3
Single/Dual/Quad High-Speed, Fast-Settling,
High Output Current Operational Amplifier
MAX408/428/448
ELECTRICAL CHARACTERISTICS—MAX448
(V
S
= ±5V, T
A
= +25°C, unless otherwise noted.)
PARAMETER
Input Offset Voltage
Average Offset Voltage Drift
Input Bias Current
Input Offset Current
Input Common Mode Range
Differential Input Resistance
Common Mode Input
Resistance
Differential Input Capacitance
Common Mode Input
Capacitance
Input Voltage Noise
Open Loop Voltage Gain
Output Voltage Swing
Power Supply Current
(All Four Amplifiers)
Power Supply Rejection Ratio
Common Mode Rejection Ratio
Slew Rate (Note 1)
SYMBOL
V
OS
∆V
OS
/∆T
I
B
I
OS
V
CM
R
IND
R
INC
C
IND
C
INC
e
N
A
V
V
OUT
I
S
PSRR
CMRR
SR
∆V
PS
= ±0.5V
V
CM
= ±2V
10–90% of Leading
Edge (Figure 1)
To ±0.1% (±4mV) of
Final Value (Figure 1)
(Note 1)
60
60
60
BW = 10Hz to 100kHz
V
OUT
= ±3V, R
L
= 2kΩ
R
L
= 2kΩ
R
L
= 150Ω
2
±3.5
±2.0
(Note 1)
(Note 1)
+3
-4
3
4
CONDITIONS
T
A
= 25°C
0°C
≤
T
A
≤
70°C
0°C < T
A
≤
70°C
T
A
= 25°C
0°C
≤
T
A
≤
70°C
MAX408C
MIN
TYP
5
8
20
650
35
+3.5
-4.5
10
8
2
3
12
5
±2.4
30
66
70
90
40
60
60
60
4
±3.5
±2.5
3
12
10
±2.7
30
66
70
90
40
1100
1700
120
+3
-4
3
4
MAX
12
16
MIN
MAX408AC
TYP
3
5
20
650
35
+3.5
-4.5
10
8
1100
1700
120
MAX
6
10
UNITS
mV
µV/°C
nA
nA
V
MΩ
MΩ
pF
pF
µV
RMS
V/mV
V
mA
dB
dB
V/µS
Settling Time
Gain Bandwidth Product
t
S
GBW
150
100
200
150
100
200
ns
MHz
Note 1:
Not tested, guaranteed by design.
AC CHARACTERISTICS—MAX408/428/448
(V
S
= ±5V, T
A
= +25°C, unless otherwise specified.)
PARAMETER
Small Signal Rise/Fall Time
Full Power Bandwidth
Amp-Amp Crosstalk
(MAX428/448)
4
SYMBOL
tr/tf
BW
FP
CONDITIONS
e
O
= ±100mV
10–90% (Figure 1)
R
L
= 2kΩ, C
L
= 50pF
V
OUT
= 6Vp-p
Input Referenced
f = 10kHz
MAX4XXC
MIN
TYP
7
4.8
-96
MAX
MIN
MAX4XXC
TYP
7
4.8
-96
MAX
UNITS
ns
MHz
dB
_______________________________________________________________________________________
Single/Dual/Quad High-Speed, Fast-Settling,
High Output Current Operational Amplifier
Typical Operating Characteristics
(V
S
= ±5, T
A
= +25°C, unless otherwise stated and apply for each individual op amp where applicable.)
INPUT BIAS CURRENT
vs. TEMPERATURE
MAX408-01
MAX408/428/448
NORMALIZED OPEN LOOP GAIN
vs. TEMPERATURE
MAX408-02
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX408-03
1200
1000
INPUT BIAS CURRENT (nA)
800
600
400
200
0
10
20
30
40
50
60
10
NORMALIZED OPEN LOOP GAIN (dB)
10
5
SUPPLY CURRENT (mA)
0
10
20
30
40
50
60
70
8
0
6
-5
4
-10
2
70
3
4
5
6
TEMPERATURE (°C)
TEMPERATURE (°C)
SUPPLY VOLTAGE (±V)
OPEN LOOP GAIN
vs. SUPPLY VOLTAGE
MAX408-04
INPUT OFFSET CURRENT
vs. TEMPERATURE
MAX408-05
AMPLIFIER/AMPLIFIER CROSSTALK
vs. FREQUENCY (MAX428/448)
MAX408-06
90
100
-20
INPUT OFFSET CURRENT (nA)
80
GAIN (dB)
80
CROSSTALK (dB)
0
10
20
30
40
50
60
70
-40
60
-60
70
40
-80
60
20
-100
50
3
4
5
6
SUPPLY VOLTAGE (±V)
TEMPERATURE (°C)
-120
1k
10k
100k
1M
10M
100M
FREQUENCY (Hz)
MAXIMUM OUTPUT VOLTAGE SWING
vs. LOAD RESISTANCE
MAX408-07
MAXIMUM OUTPUT VOLTAGE SWING
vs. TEMPERATURE
8
P-P VOLTAGE SWING (V)
R
L
= 2kΩ
MAX408-08
5
NEGATIVE SWING
4
VOLTAGE SWING (V)
POSITIVE SWING
3
6
R
L
= 50Ω
2
4
1
2
0
10Ω
100Ω
LOAD RESISTANCE (Ω)
1kΩ
0
0
10
20
30
40
50
60
70
TEMPERATURE (°C)
_______________________________________________________________________________________
5
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