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PDF TLR344FJ Data sheet ( Hoja de datos )
| Número de pieza | TLR344FJ | |
| Descripción | Low Voltage Operation Ground Sense Operational Amplifier | |
| Fabricantes | ROHM Semiconductor | |
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Datasheet
Operational Amplifiers
Low Voltage Operation
Ground Sense Operational Amplifier
TLR341G TLR342xxx TLR344xxx
General Description
TLR341G, TLR342xxx, and TLR344xxx series are
single, dual, and quad CMOS operational amplifier with
low supply voltage operation and full swing output.
These are suitable for battery-operated equipment. The
MOSFET input stage provides low input bias current. It
can be used for sensor applications.
TLR341G includes shutdown function.
Features
Low Operating Supply Voltage
Output Full Swing / Input Ground Sense
High Large Signal Voltage Gain
Low Input Bias Current
Low Supply Current
Low Input Offset Voltage
Applications
Consumer Electronics
Buffer
Sensor Amplifier
Mobile Equipment
Battery-Operated Equipment
Key Specifications
Operating Supply Voltage (Single Supply):
+1.8V to +5.5V
Supply Current:
TLR341G
75uA (Typ)
TLR342xxx
150uA (Typ)
TLR344xxx
300uA (Typ)
Voltage Gain (RL=2kΩ):
105dB (Typ)
Temperature Range:
-40°C to +85°C
Input Offset Voltage:
4mV (Max)
Input Bias Current:
1pA (Typ)
Gain Bandwidth:
2.3MHz (Typ)
Slew Rate:
1.2V/µs (Typ)
Turn-on Time from Shutdown:
1.2µs (Typ)
Packages
SSOP6
SOP8
SOP-J8
TSSOP-B8
TSSOP-B8J
SOP14
SOP-J14
TSSOP-B14J
W(Typ) x D(Typ) x H(Max)
2.90mm x 2.80mm x 1.25mm
5.00mm x 6.20mm x 1.71mm
4.90mm x 6.00mm x 1.65mm
3.00mm x 6.40mm x 1.20mm
3.00mm x 4.90mm x 1.10mm
8.70mm x 6.20mm x 1.71mm
8.65mm x 6.00mm x 1.65mm
5.00mm x 6.40mm x 1.20mm
Pin Configuration
TLR341G : SSOP6
5 VDD
4 OUT
+IN 1
VSS 2
-IN 3
+
-
6 VDD
5 SHDN
4 OUT
SSOP6
Pin No.
1
2
3
4
5
6
Pin Input condition
——————
SHDN
VSS
VDD
Note: Please refer to Electrical Characteristics regarding to Shutdown Voltage Range.
Pin Name
+IN
VSS
-IN
OUT
——————
SHDN
VDD
State
Shutdown
Active
○Product structure：Silicon monolithic integrated circuit ○This product has no designed protection against radioactive rays.
www.rohm.com
©2014 ROHM Co., Ltd. All rights reserved.
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TLR341G TLR342xxx TLR344xxx
Datasheet
Electrical Characteristics – continued
○TLR341G
(Unless
otherwise
specified
VDD=+5V,
VSS=0V,
V =V )——————
SHDN
DD
Parameter
Symbol
Temperature
Range
Min
Limits
Typ
Input Offset Voltage(Note 17,18)
VIO
25°C
Full Range
-
-
0.3
-
Input Offset Voltage Drift(Note 17,18) ΔVIO/ΔT Full Range
-
1.9
Input Bias Current(Note 17)
IB 25°C - 1
Input Offset Current(Note 17)
Supply Current(Note 18)
Shutdown Current
IIO
IDD
IDD_SD
25°C
25°C
Full Range
25°C
-
-
-
-
1
75
-
0.2
Common-mode Rejection Ratio CMRR
25°C
75 90
Max Unit
4
4.5
mV
- μV/°C
Conditions
-
-
200 pA
-
200
150
200
1000
-
pA -
μA -
nA
V =0V——————
SHDN
dB VICM=0V to 3.9V
Power Supply Rejection Ratio
Input Common-mode
Voltage Range
Large Signal Voltage Gain
Maximum Output Voltage(High)
Maximum Output Voltage(Low)
Output Source Current(Note 19)
Output Sink Current(Note 19)
PSRR
VICM
Av
VOH
VOL
ISOURCE
ISINK
25°C
25°C
25°C
25°C
25°C
25°C
25°C
75 95
-
0-
80 110
75 105
VDD-0.06 VDD-0.03
VDD-0.02 VDD-0.01
- 0.04
- 0.02
60 100
4.0
-
-
-
-
0.06
0.03
-
80 120
-
dB VDD=1.8V to 5.0V
V CMRR ≥70 dB
dB
RL=10kΩ, VRL=2.5V
RL=2kΩ, VRL=2.5V
V
RL=2kΩ, VRL=2.5V
RL=10kΩ, VRL=2.5V
V
RL=2kΩ, VRL=2.5V
RL=10kΩ, VRL=2.5V
mA VOUT=0V, Short Current
mA VOUT=5V, Short Current
Slew Rate
SR 25°C - 1.2 - V/μs RL=10kΩ, V+IN=2VP-P
Gain Bandwidth
GBW
25°C
- 2.3 - MHz CL=200pF, RL=100kΩ
Unity Gain Frequency
fT
25°C
- 1.3 - MHz CL=200pF, RL=100kΩ
Phase Margin
θM 25°C - 55 - deg CL=20pF, RL=100kΩ
Gain Margin
GM 25°C - 7 - dB CL=20pF, RL=100kΩ
Input Referred Noise Voltage
Total Harmonic Distortion
+ Noise
Turn-on Time from Shutdown
VN
THD+N
tON
25°C
25°C
25°C
- 33 - nV/ Hz f=1kHz
- 0.012 -
V+IN=1VP-P, f=1kHz
% RL=600Ω,
AV=0dB, DIN-AUDIO
- 1.2 - μs
-
Shutdown Voltage Range
VSHDN_H
4.5 - 5.0 V (Note 20)
25°C
VSHDN_L
0 - 0.8 V (Note 21)
(Note 17) Absolute value
(Note 18) Full Range: TA=-40°C to +85°C
(Note 19) Consider the power dissipation of the IC under high temperature environment when selecting the output current value.
There may be a case where the output current value is reduced due to the rise in IC temperature caused by the heat generated inside the IC.
(Note 20) This voltage range means active condition.
(Note 21) This voltage range means shutdown condition.
www.rohm.com
©2014 ROHM Co., Ltd. All rights reserved.
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TLR341G TLR342xxx TLR344xxx
Datasheet
Description of Electrical Characteristics - continued
(16) Phase Margin (θM)
Indicates the margin of phase from 180 degree phase lag at unity gain frequency.
(17) Gain Margin (GM)
Indicates the difference between 0dB and the gain where operational amplifier has 180 degree phase delay.
(18) Input Referred Noise Voltage (VN)
Indicates a noise voltage generated inside the operational amplifier equivalent by ideal voltage source connected in
series with input pin.
(19) Total Harmonic Distortion + Noise (THD+N)
Indicates the fluctuation of input offset voltage or that of output voltage with reference to the change of output voltage
of driven channel.
(20) Channel Separation (CS)
Indicates the fluctuation in the output voltage of the driven channel with reference to the change of output voltage of
the channel which is not driven.
(21)Turn On Time From Shutdown (tON)
Indicates the time from applying the voltage to shutdown terminal until the IC is active.
(22)Turn On Voltage / Turn Off Voltage (VSHDN_H/ VSHDN_L)
The IC is active if the shutdown terminal is applied more than Turn On Voltage (VSHDN_H).
The IC is shutdown if the shutdown terminal is applied less than Turn Off Voltage (VSHDN_L).
www.rohm.com
©2014 ROHM Co., Ltd. All rights reserved.
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11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet TLR344FJ.PDF ] | |
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