MAX4232 Maxim, MAX4232 Datasheet - Page 8
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MAX4232
Manufacturer Part Number
MAX4232
Description
The MAX4230–MAX4234 single/dual/quad, high-output-drive CMOS op amps feature 200mA of peak output current, rail-to-rail input, and output capability from single 2
Manufacturer
Maxim
Datasheet
1.MAX4230.pdf
(28 pages)
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High-Output-Drive, 10MHz, 10V/µs,
Rail-to-Rail I/O Op Amps with Shutdown in SC70
The MAX4230–MAX4234 CMOS operational amplifiers
have parallel-connected n- and p-channel differential
input stages that combine to accept a common-mode
range extending to both supply rails. The n-channel
stage is active for common-mode input voltages typi-
cally greater than (V
stage is active for common-mode input voltages typi-
cally less than (V
Warning: Due to the high output current drive, this op
amp can exceed the absolute maximum power-dissi-
pation rating. As a general rule, as long as the peak cur-
rent is less than or equal to 40mA, the maximum package
power dissipation is not exceeded for any of the package
8
M AX42 30
SOT 23 /
SC7 0
_______________________________________________________________________________________
—
—
—
—
—
—
—
—
—
—
2
3
4
5
1
SC7 0/Th in
M AX42 31
SOT 23 /
µ DF N
—
—
—
—
—
—
—
—
—
1
2
3
4
6
5
Applications Information
DD
- 1.2V).
Package Power Dissipation
M A X42 31
SS
U CSP
Detailed Description
B1
A1
B2
A2
A3
B3
—
—
—
—
—
—
—
—
—
Rail-to-Rail Input Stage
+ 1.2V), and the p-channel
M AX42 32
SOT 23 /
µ M A X
PIN
—
—
—
—
—
—
—
4
8
3
2
1
5
6
7
M A X4 2 3 3
µ M A X
5, 6
—
—
—
10
—
—
—
4
3
2
1
7
8
9
M AX42 33
C4, A4
U CSP
C3
C2
C1
B4
B1
A3
A2
A1
—
—
—
—
—
—
M AX42 34
T SSOP/
types offered. There are some exceptions to this rule,
however. The absolute maximum power-dissipation rating
of each package should always be verified using the fol-
lowing equations. The equation below gives an approxi-
mation of the package power dissipation:
where:
V
current and RMS voltage from V
ing current.
I
and the load.
θ = phase difference between the voltage and the cur-
rent. For resistive loads, COS θ = 1.
10, 12
RMS
9, 13
8, 14
RMS
SO
—
11
—
—
—
4
3
2
1
5
6
7
= RMS current flowing out of or into the op amp
= RMS voltage from V
IN 3- , IN 4- Inverting Input to Amplifiers 3 and 4
SHDN1,
SHDN2
NAME
SHDN,
OUT3,
OUT1
OUT2
IN3+,
OUT4
IN1+
IN2+
OUT
IN1-
IN2-
V
IN+
V
IN-
DD
SS
P
IC DISS
(
Inverting Input
Noninverting Input
Negative Supply Input. Connect to
ground for single-supply operation.
Amplifier Output
Positive Supply Input
Shutdown Control. Tie to high for normal
operation.
Noninverting Input to Amplifier 1
Inverting Input to Amplifier 1
Amplifier 1 Output
Noninverting Input to Amplifier 2
Inverting Input to Amplifier 2
Amplifier 2 Output
Noninverting Input to Amplifiers 3 and 4
Amplifiers 3 and 4 Outputs
)
≅
V
RMS RMS
DD
Pin Description
I
FUNCTION
to V
OUT
OUT
COS
to V
when sourcing
SS
θ
when sink-