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PDF MAX4334 Data sheet ( Hoja de datos )
| Número de pieza | MAX4334 | |
| Descripción | Single/Dual/Quad / Low-Power / Single-Supply / Rail-to-Rail I/O Op Amps with Shutdown | |
| Fabricantes | Maxim Integrated | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MAX4334 (archivo pdf) en la parte inferior de esta página. Total 16 Páginas | ||
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19-1192; Rev 3; 2/98
Single/Dual/Quad, Low-Power, Single-Supply,
Rail-to-Rail I/O Op Amps with Shutdown
General Description
The MAX4330–MAX4334 single/dual/quad op amps
combine a wide 3MHz bandwidth, low-power operation,
and excellent DC accuracy with Rail-to-Rail® inputs and
outputs. These devices require only 245µA per amplifier,
and operate from either a single +2.3V to +6.5V supply
or dual ±1.15V to ±3.25V supplies. The input common-
mode voltage range extends 250mV beyond VEE and
VCC, and the outputs swing rail-to-rail. The MAX4331/
MAX4333 feature a shutdown mode in which the output
goes high impedance and the supply current decreases
to 9µA per amplifier.
Low-power operation combined with rail-to-rail input
common-mode range and output swing makes these
amplifiers ideal for portable/battery-powered equipment
and other low-voltage, single-supply applications.
Although the minimum operating voltage is specified at
2.3V, these devices typically operate down to 2.0V. Low
offset voltage and high speed make these amplifiers
excellent choices for signal-conditioning stages in pre-
cision, low-voltage data-acquisition systems. The
MAX4330 is available in the space-saving 5-pin SOT23
package, and the MAX4331/MAX4333 are offered in
a µMAX package.
Applications
Portable/Battery-Powered Equipment
Data-Acquisition Systems
Signal Conditioning
Low-Power, Low-Voltage Applications
____________________________Features
o 3MHz Gain-Bandwidth Product
o 245µA Quiescent Current per Amplifier
o Available in Space-Saving SOT23-5 Package
(MAX4330)
o +2.3V to +6.5V Single-Supply Operation
o Rail-to-Rail Input Common-Mode Voltage Range
o Rail-to-Rail Output Voltage Swing
o 250µV Offset Voltage
o Low-Power, 9µA (per amp) Shutdown Mode
(MAX4331/MAX4333)
o No Phase Reversal for Overdriven Inputs
o Capable of Driving 2kΩ Loads
o Unity-Gain Stable
Ordering Information
PART
TEMP. RANGE
MAX4330EUK-T -40°C to +85°C
MAX4331ESA -40°C to +85°C
MAX4331EUA -40°C to +85°C
MAX4332ESA -40°C to +85°C
MAX4333ESD -40°C to +85°C
MAX4333EUB -40°C to +85°C
MAX4334ESD -40°C to +85°C
PIN-
PACKAGE
5 SOT23-5
8 SO
8 µMAX
8 SO
14 SO
10 µMAX
14 SO
SOT
TOP MARK
ABAJ
—
—
—
—
—
—
Selector Guide
PART
MAX4330
MAX4331
MAX4332
MAX4333
MAX4334
NO. OF AMPS
PER PACKAGE
SHUTDOWN
MODE
PIN-PACKAGE
1 — 5-pin SOT23
1 Yes 8-pin SO/µMAX
2 — 8-pin SO
2
Yes
10-pin µMAX,
14-pin SO
4 — 14-pin SO
Pin Configurations
TOP VIEW
OUT 1
5 VCC
MAX4330
VEE 2
IN+ 3
4 IN-
Rail-to-Rail is a registered trademark of Nippon Motorola Ltd.
SOT23-5
Pin Configurations continued at end of data sheet.
________________________________________________________________ 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 408-737-7600 ext. 3468.
1 page  
Single/Dual/Quad, Low-Power, Single-Supply,
Rail-to-Rail I/O Op Amps with Shutdown
AC ELECTRICAL CHARACTERISTICS
(VCC = +5V, VEE = 0V, VCM = 0V, VOUT = (VCC / 2), RL = 10kΩ to (VCC / 2), V SHDN ≥ 2V, CL = 15pF, TA = +25°C, unless
otherwise noted.)
PARAMETER
Gain-Bandwidth Product
Full-Power Bandwidth
Slew Rate
Phase Margin
Gain Margin
Total Harmonic Distortion
Settling Time to 0.01%
Input Capacitance
Input Noise Voltage Density
Input Current Noise Density
Crosstalk
Capacitive Load Stability
Shutdown Time
Enable Time from Shutdown
Power-Up Time
SYMBOL
GBWP
FPBW
SR
PM
GM
THD
tS
CIN
VNOISE
INOISE
t S HDN
tENABLE
tON
CONDITIONS
VOUT = 4Vp-p
f = 10kHz, VOUT = 2Vp-p, AVCL = +1V/V
AV = +1V/V, 2V step
f = 10kHz
f = 10kHz
f = 10kHz, MAX4332/MAX4333/MAX4334
AV = 1, no sustained oscillations
MIN TYP MAX UNITS
3 MHz
190 kHz
1.5 V/µs
55 degrees
10 dB
0.012
%
4 µs
3
28
0.26
-124
pF
nV/√Hz
pA/√Hz
dB
150 pF
0.8 µs
1 µs
5 µs
__________________________________________Typical Operating Characteristics
(VCC = +5V, VEE = 0V, VCM = VCC / 2, V SHDN > 2V, TA = +25°C, unless otherwise noted.)
60
50
40
30
20
10
0
-10
-20
100
GAIN AND PHASE
vs. FREQUENCY (NO LOAD)
180MAX4330/34-TOC01
AV = +1000 135
90
GAIN
45
0
PHASE
-45
-90
-135
-180
1k 10k 100k 1M 10M 100M
FREQUENCY (Hz)
60
40
20
0
-20
-40
100
GAIN AND PHASE
vs. FREQUENCY (CL = 150pF)
180MAX4330/34-TOC02
AV = +1000 144
108
72
GAIN
36
0
PHASE
-36
-72
-108
-144
-180
1k 10k 100k 1M 10M 100M
FREQUENCY (Hz)
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
0
AV = +1
-20
-40
-60
-80
-100
10 100 1k 10k 100k 1M 10M 100M
FREQUENCY (Hz)
_______________________________________________________________________________________ 5
5 Page 
Single/Dual/Quad, Low-Power, Single-Supply,
Rail-to-Rail I/O Op Amps with Shutdown
1k
1k
Figure 2. Input Protection Circuit
RISO = 0Ω, AV = +1
CL = 510pF
IN 50mV/div
IN 1V/div
OUT 50mV/div
OUT 1V/div
20µs/div
VCC = 3V, RL = 2kΩ TO VCC / 2
Figure 3. Rail-to-Rail Input/Output Voltage Range
Rail-to-Rail Output Stage
The MAX4330–MAX4334 output stage can drive up to a
2kΩ load and still typically swing within 125mV of the
rails. Figure 3 shows the output voltage swing of a
MAX4331 configured as a unity-gain buffer. The operat-
ing voltage is a single +3V supply, and the input volt-
age is 3Vp-p. The output swings to within 70mV of VEE
and 100mV of VCC, even with the maximum load
applied (2kΩ to mid-supply).
2µs/div
VCC = 3V, RL = 100kΩ
Figure 4. Small-Signal Transient Response with Excessive
Capacitive Load
Driving a capacitive load can cause instability in many
op amps, especially those with low quiescent current.
The MAX4330–MAX4334 are stable for capacitive loads
up to 150pF. The Capacitive Load Stability graph in the
Typical Operating Characteristics gives the stable
operating region for capacitive vs. resistive loads.
Figures 4 and 5 show the response of the MAX4331
with an excessive capacitive load, compared with the
response when a series resistor is added between the
output and the capacitive load. The resistor improves
the circuit’s response by isolating the load capacitance
from the op amp’s output (Figure 6).
______________________________________________________________________________________ 11
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet MAX4334.PDF ] | |
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