MAX4232AKA-T Просмотр технического описания (PDF) - Maxim Integrated

Номер в каталоге

Компоненты Описание

производитель

MAX4232AKA-T

High-Output-Drive, 10MHz, 10V/µs, Rail-to-Rail I/O Op Amps with Shutdown in SC70

Maxim Integrated 

High-Output-Drive, 10MHz, 10V/µs,

Rail-to-Rail I/O Op Amps with Shutdown in SC70

Pin Description

PIN

M AX42 30

SOT 23 /

SC7 0

M AX42 31

SOT 23 /

SC70/Thin

µ DF N

MAX4231

U CSP

M AX42 32

SOT 23 /

µMAX

M A X4 2 3 3

µMAX

M AX42 33

U CSP

M AX42 34

T SSOP/

SO

1

1

B1

—

—

—

—

2

2

A1

4

4

B4

11

3

3

B2

—

—

—

—

4

4

A2

—

—

—

—

5

6

A3

8

10

B1

4

—

5

B3

—

5, 6

C4, A4

—

NAME

IN+

VSS

IN-

OUT

VDD

SHDN,

SHDN1,

SHDN2

FUNCTION

Noninverting Input

Negative Supply Input. Connect to

ground for single-supply operation.

Inverting Input

Amplifier Output

Positive Supply Input

Shutdown Control. Tie to high for normal

operation.

—

—

—

3

3

C3

3

IN1+ Noninverting Input to Amplifier 1

—

—

—

2

2

C2

2

IN1- Inverting Input to Amplifier 1

—

—

—

1

—

—

—

5

1

C1

1

OUT1 Amplifier 1 Output

7

A3

5

IN2+ Noninverting Input to Amplifier 2

—

—

—

6

8

A2

6

IN2- Inverting Input to Amplifier 2

—

—

—

7

9

A1

7

OUT2 Amplifier 2 Output

—

—

—

—

—

—

10, 12 IN3+, Noninverting Input to Amplifiers 3 and 4

—

—

—

—

—

—

9, 13 IN3-, IN4- Inverting Input to Amplifiers 3 and 4

—

—

—

—

—

—

8, 14

OUT3, Amplifiers 3 and 4 Outputs

OUT4

Detailed Description

Rail-to-Rail Input Stage

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 (VSS + 1.2V), and the p-channel

stage is active for common-mode input voltages typi-

cally less than (VDD - 1.2V).

Applications Information

Package Power Dissipation

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

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:

PIC(DISS) ≅ VRMS IRMS COS θ

where:

VRMS = RMS voltage from VDD to VOUT when sourcing

current and RMS voltage from VOUT to VSS when sink-

ing current.

IRMS = RMS current flowing out of or into the op amp

and the load.

θ = phase difference between the voltage and the cur-

rent. For resistive loads, COS θ = 1.

8 _______________________________________________________________________________________

Share Link: