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RS721S, RS722S
RS721, RS722, RS724
10MHz, Rail-to-Rail I/O
CMOS Operational Amplifier
FEATURES
DESCRIPTION
•
•
HIGH GAIN BANDWIDTH:10MHz
RAIL-TO-RAIL INPUT AND OUTPUT
0.9mV Typical Vos
•
•
INPUT VOLTAGE RANGE: -0.1V to +5.6V
with Vs = 5.5V
SUPPLY RANGE: +2.5V to +5.5V
•
SHUTDOWN: RS721S/RS722S
•
•
SPECIFIED UP TO +125°C
MicroSIZE PACKAGES: SOT23-5, SOT23-6
The RS72X 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 (10MHz) and slew rate of
7V/us. The op-amps are unity gain stable and
feature an ultra-low input bias current.
The devices are ideal for sensor interfaces, active
filters and portable applications. The RS721S,
RS722S 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 RS72X families of operational amplifiers
are specified at the full temperature range of −40°C
to +125°C under single or dual power supplies of
2.5V to 5.5V.
APPLICATIONS
•
SENSORS
•
PHOTODIODE AMPLIFICATION
•
ACTIVE FILTERS
•
TEST EQUIPMENT
•
DRIVING A/D CONVERTERS
PIN CONFIGURATIONS
+IN
3
5
+
-
4
V+
OUT
1
V-
2
-IN
+IN
3
+
-
6
V+
NC
1
5
EN
-IN
2
4
-IN
SOT23-5
V-
2
+IN
3
+
-
6
V+
5
NC
4
-IN
TDFN2x2-6
RS721B
1
V-
2
- IN
3
5
V+
1
REV B.6
6
OUT
1
-IN A
2
+IN A
3
V-
4
En A
5
NC
-
RS722
-IN
2
+IN
3
V-
4
8
EN
7
V+
6
OUT
5
NC
OUT A
-IN A
V+
9
OUT B
-
8
-IN B
7
+IN B
6
En B
14
OUT D
13
-IN D
A
B
10
RS724
1
8
V+
OUT A
1
2
7
OUTB
-IN A
2
6
-IN B
+IN A
3
12
+IN D
5
+IN B
V+
4
11
V-
+IN B
5
10
+IN C
-IN B
6
9
-IN C
OUT B
7
8
OUT C
+IN A
3
V-
4
+
A
B+
SOIC-8(SOP8)
SOIC-8(SOP8),MSOP-8,
TDFN3x3-8,TDFN2x2-8
4
SOT23-5
V+
5
4
RS721S
NC
+
+ IN
7
OUT A
MSOP-10
+
V-
NC
SOIC-8(SOP8),MSOP-8
-
1
3
8
SOT23-6
RS721
OUT
+IN
+
2
-
1
V-
RS721
+
OUT
RS722S
RS721S
+
RS721
OUT
Note: NC indicates no internal connection
1
A
- +
- +
B
D
+ -
+ C
SOIC-14(SOP14),TSSOP-14
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RS721S, RS722S
RS721, RS722, RS724
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°C to +150°C
Operating Temperature ……….………… −40°C to +125°C
Junction Temperature................................................150°C
Package Thermal Resistance @ TA = +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
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.
(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.
PACKAGE/ORDERING INFORMATION
2
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RS721S, RS722S
RS721, RS722, RS724
ELECTRICAL CHARACTERISTICS
(At TA = +25C, Vs=5V, RL = 10kΩ connected to VS/2, and VOUT = VS/2, unless otherwise noted.)
PARAMETER
CONDITIONS
TJ
RS721S, RS722S,
RS721, RS722, RS724
MIN
TYP
MAX
UNIT
5.5
V
1.15
85
1.4
mA
0.5
2.5
POWER SUPPLY
Vs
Operating Voltage Range
IQ
Quiescent Current/Amplifier
PSRR
Power-Supply Rejection Ratio
Vs=2.5V to 5.5V,
Vcm=(V-)+0.5V
25C
2.5
25C
25C
-40C to 125C
75
65
dB
INPUT
Vos
IB
Input Offset Voltage
Input Offset Voltage Average
Drift
Input Bias Current
Ios
Input Offset Current
Vos TC
Vcm
CMRR
Common-Mode Voltage Range
25C
2.6
-40C to 125C
1
10
pA
25C
1
10
pA
5.6
V
25C
-0.1
Vs= 5.5V, Vcm
=-0.1V to 4V
25C
73
-40C to 125C
67
25C
60
-40C to 125C
57
25C
-40C to 125C
25C
-40C to 125C
86
65
90
66
Vs= 5.5V, Vcm
=-0.1V to 5.6V
uV/C
25C
Vs= 5.5V
Common-Mode Rejection Ratio
mV
85
dB
75
OUTPUT
AOL
Open-Loop Voltage Gain
RL=10KΩ, Vo=
0.05V to 4.95V
RL=2KΩ
RL=10KΩ
95
dB
96
25C
52
7
mV
25C
70
mA
Slew Rate
25C
7
V/us
Gain-Bandwidth Product
25C
10
MHz
Phase Margin
25C
Output Swing From Rail
Iout
RL=2KΩ, Vo=
0.15V to 4.85V
Output Short-Circuit Current
FREQUENCY RESPONSE
SR
GBP
PM
ts
Setting Time,0.1%
Overload Recovery Time
VIN·Gain≥VS
62
°
0.2
us
0.35
us
NOISE
en
Input Voltage Noise Density
f = 1KHz
25C
9.5
nV/√Hz
f = 10KHz
25C
6.5
nV/√Hz
25C