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Datasheet> All Categories > Analog mixed-signal IC> Amplifier circuit> LM2904AYST
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LM2904AYST

Description
DUAL OP-AMP, 4000uV OFFSET-MAX, 1.1MHz BAND WIDTH, PDSO8, ROHS COMPLIANT, MINISO-8
CategoryAnalog mixed-signal IC    Amplifier circuit   
File Size409KB，21 Pages
ManufacturerSTMicroelectronics
Websitehttp://www.st.com/
Download Datasheet Parametric View All

LM2904AYST Overview

DUAL OP-AMP, 4000uV OFFSET-MAX, 1.1MHz BAND WIDTH, PDSO8, ROHS COMPLIANT, MINISO-8

LM2904AYST Parametric

Parameter NameAttribute value
MakerSTMicroelectronics
Parts packaging codeSOIC
package instructionTSSOP, TSSOP8,.19
Contacts8
Reach Compliance Codeunknown
ECCN codeEAR99
Amplifier typeOPERATIONAL AMPLIFIER
ArchitectureVOLTAGE-FEEDBACK
Maximum average bias current (IIB)0.2 µA
Maximum bias current (IIB) at 25C0.15 µA
Nominal Common Mode Rejection Ratio85 dB
frequency compensationYES
Maximum input offset voltage4000 µV
JESD-30 codeS-PDSO-G8
length3 mm
low-dissonanceNO
Negative supply voltage upper limit-32 V
Number of functions2
Number of terminals8
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeTSSOP
Encapsulate equivalent codeTSSOP8,.19
Package shapeSQUARE
Package formSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
power supply+-1.5/+-13/3/26 V
Certification statusNot Qualified
Filter levelAEC-Q100
Maximum seat height1.1 mm
minimum slew rate0.3 V/us
Nominal slew rate0.6 V/us
Maximum slew rate2 mA
Supply voltage upper limit32 V
Nominal supply voltage (Vsup)5 V
surface mountYES
technologyBIPOLAR
Temperature levelAUTOMOTIVE
Terminal formGULL WING
Terminal pitch0.65 mm
Terminal locationDUAL
Nominal Uniform Gain Bandwidth1100 kHz
Minimum voltage gain25000
width3 mm

LM2904AYST Preview

LM2904
Low power dual operational amplifier
Features
■
■
■
■
■
■
■
■
■
Internally frequency-compensated
Large DC voltage gain: 100 dB
Wide bandwidth (unity gain): 1.1 MHz
(temperature compensated)
Very low supply current/op (500 µA) essentially
independent of supply voltage
Low input bias current: 20 nA (temperature
compensated)
Low input offset current: 2 nA
Input common-mode voltage range includes
negative rail
Differential input voltage range equal to the
power supply voltage
Large output voltage swing 0 V to (V
CC+
-1.5 V)
P
TSSOP8
(Thin shrink small outline package)
D
SO-8
(Plastic micropackage)
N
DIP8
(Plastic package)
Description
This circuit consists of two independent, high
gain, internally frequency-compensated
operational amplifiers designed specifically for
automotive and industrial control systems. It
operates from a single power supply over a wide
range of voltages. The low power supply drain is
independent of the magnitude of the power supply
voltage.
Application areas include transducer amplifiers,
DC gain blocks and all the conventional op-amp
circuits which now can be more easily
implemented in single power supply systems. For
example, these circuits can be directly supplied
from the standard +5 V which is used in logic
systems and will easily provide the required
interface electronics without requiring any
additional power supply.
In the linear mode, the input common-mode
voltage range includes ground and the output
voltage can also swing to ground, even though
operated from a single power supply.
S
MiniSO-8
Pin connections
(top view)
June 2009
Doc ID 2471 Rev 12
1/21
www.st.com
21
Schematic diagram
LM2904
1
Schematic diagram
Figure 1.
Schematic diagram (1/2 LM2904)
V
CC
6μA
4μA
C
C
100
μ
A
Q5
Q6
Inverting
input
Q2
Q1
Q3
Q4
Q11
Q7
R
SC
Non-inverting
input
Output
Q13
Q10
Q8
Q9
Q12
A
50m
GND
2/21
Doc ID 2471 Rev 12
LM2904
Absolute maximum ratings and operating conditions
2
Absolute maximum ratings and operating conditions
Table 1.
Symbol
V
CC
V
id
V
in
Supply voltage
(1)
Differential input voltage
(2)
Input voltage
Output short-circuit duration
(3)
Input current
(4)
: V
in
driven negative
I
in
Input current
(5)
: V
in
driven positive above AMR value
T
oper
T
stg
T
j
Operating free-air temperature range
Storage temperature range
Maximum junction temperature
Thermal resistance junction to ambient
(6)
SO-8
TSSOP8
DIP8
MiniSO-8
Thermal resistance junction to case
(6)
SO-8
TSSOP8
DIP8
MiniSO-8
HBM: human body model
(7)
ESD
MM: machine model
(8)
CDM: charged device model
(9)
Absolute maximum ratings
Parameter
Value
±16 or 32
±32
-0.3 to 32
Infinite
5 mA in DC or
50 mA in AC
(duty cycle =
10%, T=1s)
0.4
-40 to +125
-65 to +150
150
125
120
85
190
40
37
41
39
300
200
1.5
°C
°C
°C
Unit
V
V
V
s
mA
R
thja
°C/W
R
thjc
°C/W
V
V
kV
1. All voltage values, except differential voltage are with respect to network ground terminal.
2. Differential voltages are the non-inverting input terminal with respect to the inverting input terminal.
3. Short-circuits from the output to V
CC
can cause excessive heating if Vcc
+
> 15 V. The maximum output
current is approximately 40 mA, independent of the magnitude of V
CC
.
Destructive dissipation can result from simultaneous short-circuits on all amplifiers.
4. This input current only exists when the voltage at any of the input leads is driven negative. It is due to the
collector-base junction of the input PNP transistor becoming forward-biased and thereby acting as input
diode clamp. In addition to this diode action, there is NPN parasitic action on the IC chip. This transistor
action can cause the output voltages of the Op-amps to go to the V
CC
voltage level (or to ground for a large
overdrive) for the time during which an input is driven negative.
This is not destructive and normal output is restored for input voltages above -0.3 V.
5. The junction base/substrate of the input PNP transistor polarized in reverse must be protected by a resistor
in series with the inputs to limit the input current to 400 µA max (R = (Vin-36 V)/400 µA).
6. Short-circuits can cause excessive heating and destructive dissipation. Values are typical.
7. Human body model: a 100 pF capacitor is charged to the specified voltage, then discharged through a
1.5 kΩ resistor between two pins of the device. This is done for all couples of connected pin combinations
while the other pins are floating.
Doc ID 2471 Rev 12
3/21
Absolute maximum ratings and operating conditions
LM2904
8. Machine model: a 200 pF capacitor is charged to the specified voltage, then discharged directly between
two pins of the device with no external series resistor (internal resistor < 5
Ω).
This is done for all couples of
connected pin combinations while the other pins are floating.
9. Charged device model: all pins and the package are charged together to the specified voltage and then
discharged directly to the ground through only one pin. This is done for all pins.
Table 2.
Symbol
V
CC
V
icm
T
oper
Operating conditions
Parameter
Supply voltage
Common mode input voltage range
Operating free-air temperature range
Value
3 to 30
V
CC+
- 1.5
-40 to +125
Unit
V
V
°C
4/21
Doc ID 2471 Rev 12
LM2904
Electrical characteristics
3
Table 3.
Symbol
Electrical characteristics
V
CC+
= 5 V, V
CC-
= ground, V
O
= 1.4 V, T
amb
= 25° C (unless otherwise specified)
Parameter
Input offset voltage
(1)
T
amb
= 25° C LM2904
T
amb
= 25° C LM2904A
T
min
≤
T
amb
≤
T
max
LM2904
T
min
≤
T
amb
≤
T
max
LM2904A
Input offset voltage drift
Input offset current
T
amb
= 25° C
T
min
≤
T
amb
≤
T
max
Input offset current drift
Input bias current
(2)
T
amb
= 25° C
T
min
≤
T
amb
≤
T
max
Large signal voltage gain
,
V
CC+
= +15 V, R
L
= 2 kΩ V
o
= 1.4 V to 11.4 V
T
amb
= 25° C
T
min
≤
T
amb
≤
T
max
Supply voltage rejection ratio (R
S
≤10
kΩ)
T
amb
= 25° C
T
min
≤
T
amb
≤
T
max
Supply current, all amp, no load
T
amb
= 25°C, V
CC+
= +5 V
T
min
≤
T
amb
≤
T
max
, V
CC+
= +30 V
Input common mode voltage range (V
CC+
= +30 V)
(3)
T
amb
= 25° C
T
min
≤
T
amb
≤
T
max
Common-mode rejection ratio (R
S
=
10 kΩ)
T
amb
= 25° C
T
min
≤
T
amb
≤
T
max
Output short-circuit current
V
CC+
= +15 V, V
o
= +2 V, V
id
= +1 V
Output sink current
V
O
= 2 V, V
CC+
= +5 V
V
O
= +0.2 V, V
CC+
= +15 V
High level output voltage (V
CC+
= + 30 V)
T
amb
= +25° C, R
L
=
2 kΩ
T
min
≤
T
amb
≤
T
max
T
amb
= +25° C, R
L
=
10 kΩ
T
min
≤
T
amb
≤
T
max
0
0
70
60
20
85
Min.
Typ.
Max.
Unit
V
io
2
1
7
2
9
4
30
30
40
300
150
200
mV
DV
io
I
io
DI
io
I
ib
7
2
10
20
µV/°C
nA
pA/°C
nA
A
vd
50
25
65
65
100
V/mV
SVR
100
dB
I
CC
0.7
1.2
2
V
CC+
-1.5
V
CC+
-2
mA
V
icm
V
CMR
dB
I
source
40
60
mA
I
sink
10
12
26
26
27
27
20
50
mA
µA
V
OH
27
28
V
Doc ID 2471 Rev 12
5/21
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