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RS521S, RS522S
RS521, RS522, RS524
3.6MHz, Rail-to-Rail I/O
CMOS Operational Amplifier
FEATURES
•
•
•
•
•
•
•
HIGH GAIN BANDWIDTH:3.6MHz
RAIL-TO-RAIL INPUT AND OUTPUT
0.8mV Typical Vos
INPUT VOLTAGE RANGE: -0.1V to +5.6V
with Vs = 5.5V
SUPPLY RANGE: +2.5V to +5.5V
SHUTDOWN: RS521S/RS522S
SPECIFIED UP TO +125°
C
Micro
SIZE PACKAGES: SOT23-5, SOT23-6
The devices are ideal for sensor interfaces, active
filters and portable applications. The RS521S,
RS522S include a shutdown mode. Under logic
control, the amplifiers can be switched from normal
operation to a standby current that is less than
1uA.The RS52X families of operational amplifiers are
specified at the full temperature range of −40° to
C
+125° under single or dual power supplies of 2.5V
C
to 5.5V.
DESCRIPTION
The RS52X families of products offer low voltage
operation and rail-to-rail input and output, as well as
excellent speed/power consumption ratio, providing
an excellent bandwidth (3.6MHz) and slew rate of
1.8V/us. The op-amps are unity gain stable and
feature an ultra-low input bias current.
APPLICATIONS
•
•
•
•
SENSORS
PHOTODIODE AMPLIFICATION
ACTIVE FILTERS
TEST EQUIPMENT
DRIVING A/D CONVERTERS
•
PIN CONFIGURATIONS
RS521
OUT
V-
1
2
RS521S
5
V+
OUT
V-
1
6
5
V+
EN
RS522S
RS521
NC
-IN
1
2
3
4
8
NC
V+
OUT
NC
OUT A
-IN A
1
2
10
V+
2
3
7
-
+
+IN
3
4
-IN
+IN
4
-IN
+IN
V-
+
+
-
+
-
6
5
+IN A
V-
En A
3
4
5
A
B
9
OUT B
-IN B
+IN B
En B
SOT23-5
SOT23-6
SOIC-8(SOP8),MSOP-8
+
RS521B
+ IN
V-
- IN
RS521S
5
V+
NC
-IN
1
2
1
8
EN
V+
OUT
OUT A
-IN A
+IN A
1
2
3
2
3
7
6
4
SOT23-5
OUT
+IN
V-
+
-
3
4
+
A
B
+
5
SOIC-8(SOP8)
NC
V-
4
SOIC-8(SOP8),MSOP-8
Note: NC indicates no internal connection
REV B.4
1
-
RS522
-
8
7
6
MSOP-10
RS524
8
7
6
5
V+
OUTB
OUT A
1
14
OUT D
-IN D
+IN D
V-
-
+
-IN A
+IN A
V+
2
3
4
A
- +
D
+ -
13
12
11
-IN B
+IN B
+IN B
-IN B
5
6
7
- +
B
+ -
C
10
9
8
+IN C
-IN C
OUT C
OUT B
SOIC-14(SOP14),TSSOP-14
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RS521S, RS522S
RS521, RS522, RS524
ABSOLUTE MAXIMUM RATINGS
(1)
Supply Voltage, V+ to V-...............................................7.0V
Input Terminals, Voltage
(2)
…………... – 0.5 to (V+) + 0.5V
Current
(2)
…………………....…..... ±
10mA
Storage Temperature ……….…………… −65° to +150°
C
C
Operating Temperature ……….………… −40° to +125°
C
C
Junction Temperature................................................150°
C
Package Thermal Resistance @ T
A
= +25°
C
SOT23-5, SOT23-6………………….………………200°
C/W
MSOP-10, SOIC-8 …………………….…………... 150°
C/W
SOIC-14, TSSOP-14………….……….……………100°
C/W
Lead Temperature (Soldering, 10s) ……………........260°
C
ESD Susceptibility
HBM …......................................................................5000V
MM ……………………….........………………...……….400V
(1)
Stresses above these ratings may cause permanent damage. Exposure to
absolute maximum conditions for extended periods may degrade device
reliability. These are stress ratings only, and functional operation of the
device at these or any other conditions beyond those specified is not
implied.
(2)
Input terminals are diode-clamped to the power-supply rails. Input
signals that can swing more than 0.5V beyond the supply rails should
be current-limited to 10mA or less.
ESD SENSITIVITY CAUTION
ESD damage can range from subtle performance
degradation to complete device failure. Precision
integrated circuits may be more susceptible to
damage because very small parametric changes
could cause the device not to meet its published
specifications.
PACKAGE/ORDERING INFORMATION
2
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RS521S, RS522S
RS521, RS522, RS524
ELECTRICAL CHARACTERISTICS
(At T
A
= +25C, Vs=5V, R
L
= 10kΩ connected to V
S
/2, and V
OUT
= V
S
/2, unless otherwise noted.)
RS521S, RS522S,
RS521, RS522, RS524
PARAMETER
POWER SUPPLY
Vs
IQ
PSRR
Operating Voltage Range
Quiescent Current/Amplifier
Power-Supply Rejection Ratio
CONDITIONS
T
J
MIN
25C
Vs=2.5V to 5.5V,
Vcm=(V-)+0.5V
25C
25C
-40C to 125C
25C
-40C to 125C
25C
25C
Vs= 5.5V
Vs= 5.5V, Vcm
=-0.1V to 4V
Vs= 5.5V, Vcm
=-0.1V to 5.6V
25C
25C
-40C to 125C
25C
-40C to 125C
-0.1
76
71
62
60
2.5
76
69
TYP
MAX
5.5
UNIT
V
uA
dB
260
86
350
INPUT
Vos
Vos TC
IB
Ios
Vcm
Input Offset Voltage
Input Offset Voltage Average
Drift
Input Bias Current
Input Offset Current
Common-Mode Voltage Range
0.8
2
1
1
10
10
5.6
87
71
dB
3
mV
uV/C
pA
pA
V
CMRR
Common-Mode Rejection Ratio
OUTPUT
AOL
Open-Loop Voltage Gain
R
L
=2KΩ, Vo=
0.15V to 4.85V
R
L
=10KΩ, Vo=
0.05V to 4.95V
R
L
=2KΩ
R
L
=10KΩ
25C
-40C to 125C
25C
-40C to 125C
25C
25C
100
86
100
87
107
110
31
7
80
dB
Output Swing From Rail
Iout
Output Short-Circuit Current
mV
mA
FREQUENCY RESPONSE
SR
GBP
PM
ts
Slew Rate
Gain-Bandwidth Product
Phase Margin
Setting Time,0.1%
Overload Recovery Time
V
IN
·
Gain≥V
S
25C
25C
25C
1.8
3.6
65
0.5
0.7
V/us
MHz
°
us
us
NOISE
e
n
Input Voltage Noise Density
f = 1KHz
f = 10KHz
25C
25C
25C
25C
25C
Shut Down
Amplifier Is Active
25C
25C
V-
(V-) +2
15
13
<1
3
20
(V-) +0.8
V+
nV/√Hz
nV/√Hz
ENABLE/SHUTDOWN(RS521S,RS522S)
I
Q(OFF)
t
OFF
t
ON
V
L
V
H
Supply Current in Shutdown
uA
us
us
V
V
3
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RS521S, RS522S
RS521, RS522, RS524
TYPICAL CHARACTERISTICS
At T
A
= +25C, Vs=5V, R
L
= 10kΩ connected to V
S
/2, V
OUT
= V
S
/2, unless otherwise noted.
OPEN-LOOP GAIN AND PHASE VS
FREQUENCY
120
COMMON−MODE REJECTION RATIO vs
FREQUENCY
120
120
100
Open-Loop Gain(dB)
100
80
60
40
20
0
-20
Gain
Phase
CMRR(dB)
80
60
40
20
0
10M
Phase Margin (°)
100
80
60
40
20
1
10
100
1K
10K
10
100
1K
10K
100K
1M
Frequency(Hz)
INPUT VOLTAGE NOISE
SPECTRAL DENSITY vs FREQUENCY
1000
120
100
Frequency(KHz) Vs=5V
POWER−SUPPLY REJECTION RATIO vs
FREQUENCY
|
Voltage Noise(nV/√Hz)
PSRR(dB)
100
80
60
40
10
1
10
100
1K
10K
100K
20
1
10
100
1K
10K
Frequency(Hz)
Frequency(KHz) Vs=5V
0.32
0.31
0.3
0.29
0.28
0.27
0.26
0.25
0.24
0.23
0.22
0.21
0.2
QUIESCENT CURRENT vs TEMPERATURE
Quiescent Current(mA)
QUIESCENT CURRENT vs TEMPERATURE
0.34
0.33
0.32
0.31
0.3
0.29
0.28
0.27
0.26
0.25
0.24
0.23
0.22
0.21
0.2
-40 -20 0
20 40 60 80 100 120 140
Temperature(℃) Vs=5V
Quiescent Current(mA)
-40 -20 0
20 40 60 80 100 120 140
Temperature(℃) Vs=2.7V
4
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RS521S, RS522S
RS521, RS522, RS524
TYPICAL CHARACTERISTICS
At T
A
= +25C, Vs=5V, R
L
= 10kΩ connected to V
S
/2, V
OUT
= V
S
/2, unless otherwise noted.
48
SINK CURRENT vs TEMPERATURE
Source Current(mA)
49
47
45
43
41
39
37
35
33
SOURCE CURRENT vs TEMPERATURE
Sink Current(mA)
46
44
42
40
38
36
-40 -20 0
20 40 60 80 100 120 140
Temperature(℃)
INPUT BIAS CURRENT vs TEMPERATURE
10K
-40 -20 0
20 40 60 80 100 120 140
Temperature(℃)
SMALL-SIGNAL STEP RESPONSE
Input Bias Current(pA)
1K
100
C
L
=100PF
50mV/div
-40 -20
0
20 40 60 80 100 120 140
10
1
0.1
Temperature(℃)
LARGE−SIGNAL STEP RESPONSE
200ns/div
POSITIVE OVERLOAD RECOVERY
C
L
=100PF
0V
V
IN
1V/div
200mV/div
V
OUT
V
S
=±2.5V
G=-100
0V
1us/div
1V/div
500ns/div
5
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