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PDF OPA2334 Data sheet ( Hoja de datos )

Número de pieza OPA2334
Descripción 0.05UV/C max / SINGLE-SUPPLY CMOS OPERATIONAL AMPLIFIERS
Fabricantes Burr-Brown 
Logotipo Burr-Brown Logotipo



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No Preview Available ! OPA2334 Hoja de datos, Descripción, Manual

OPA335
OPA2335
OPA2334
OPA2335
OPA334
OPA2334
OPA335
OPA2335
SBOS245D – JUNE 2002 – REVISED JULY 2003
0.05µV/°C max, SINGLE-SUPPLY
CMOS OPERATIONAL AMPLIFIERS
Zerø-Drift Series
FEATURES
q LOW OFFSET VOLTAGE: 5µV (max)
q ZERO DRIFT: 0.05µV/°C (max)
q QUIESCENT CURRENT: 285µA
q SINGLE-SUPPLY OPERATION
q SINGLE AND DUAL VERSIONS
q SHUTDOWN
q MicroSIZE PACKAGES
APPLICATIONS
q TRANSDUCER APPLICATIONS
q TEMPERATURE MEASUREMENT
q ELECTRONIC SCALES
q MEDICAL INSTRUMENTATION
q BATTERY-POWERED INSTRUMENTS
q HANDHELD TEST EQUIPMENT
DESCRIPTION
The OPA334 and OPA335 series of CMOS operational
amplifiers use auto-zeroing techniques to simultaneously
provide very low offset voltage (5µV max), and near-zero drift
over time and temperature. These miniature, high-precision,
low quiescent current amplifiers offer high input impedance
and rail-to-rail output swing. Single or dual supplies as low as
+2.7V (±1.35V) and up to +5.5V (±2.75V) may be used.
These op amps are optimized for low-voltage, single-supply
operation.
The OPA334 family includes a shutdown mode. Under logic
control, the amplifiers can be switched from normal operation
to a standby current of 2µA. When the Enable pin is con-
nected high, the amplifier is active. Connecting Enable low
disables the amplifier, and places the output in a high-
impedance state.
The OPA334 (single version with shutdown) comes in
MicroSIZE SOT23-6. The OPA335 (single version without
shutdown) is available in SOT23-5, and SO-8. The OPA2334
(dual version with shutdown) comes in MicroSIZE MSOP-10.
The OPA2335 (dual version without shutdown) is offered in
the MSOP-8 and SO-8 packages. All versions are specified
for operation from –40°C to +125°C.
OFFSET VOLTAGE PRODUCTION DISTRIBUTION
OFFSET VOLTAGE DRIFT PRODUCTION DISTRIBUTION
Absolute Value;
Centered Around Zero
Offset Voltage (µV)
Offset Voltage Drift (µV/°C)
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
www.ti.com
Copyright © 2002-2003, Texas Instruments Incorporated

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OPA2334 pdf
TYPICAL CHARACTERISTICS (Cont.)
At TA = +25°C, VS = +5V, RL = 10kconnected to VS /2, and VOUT = VS /2, unless otherwise noted.
140
120
100
80
60
40
20
0
20
0.1
OPEN-LOOP GAIN/PHASE vs FREQUENCY
Phase
Gain
1 10 100 1k 10k 100k 1M
Frequency (Hz)
80
90
100
110
120
130
140
150
160
10M
LARGE-SIGNAL RESPONSE
G = 1
CL = 300pF
Time (5µs/div)
SMALL-SIGNAL RESPONSE
G = +1
CL = 50pF
Time (5µs/div)
POSITIVE OVER-VOLTAGE RECOVERY
0
Input
10k
+2.5V
100
0
OPA335
Output
2.5V
Time (25µs/div)
NEGATIVE OVER-VOLTAGE RECOVERY
Input
0
0
Output
100
10k
+2.5V
OPA335
Time (25µs/div)
2.5V
140
120
100
80
60
40
20
0
1
COMMON-MODE REJECTION vs FREQUENCY
10 100 1k 10k 100k 1M 10M
Frequency (Hz)
OPA334, OPA2334, OPA335, OPA2335
SBOS245D
www.ti.com
5

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OPA2334 arduino
R1
4.12k
C1
56pF
Photodiode
2pF
+5V
C2
0.1µF
OPA353
R3
100
R2(1)
2k
5V
C4
10nF
VOUT
C3
1nF 1MHz Bandwidth
VOS 10µV
Photodiode
R7
1k
Bias
C7 R4
1µF 100k
+5V
C6
0.1µF
OPA335
R6
49.9k
R5(1)
40k
NOTE: (1) Pull-down resistors to allow accurate swing to 0V.
5V
C5
10nF
FIGURE 8. High Dynamic Range Transimpedance Amplifier.
OPA334, OPA2334, OPA335, OPA2335
SBOS245D
www.ti.com
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