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RS8751, RS8752, RS8754
250MHz, Rail-to-Rail Output
CMOS Operational Amplifier
FEATURES
HIGH GAIN BANDWIDTH:250MHz
RAIL-TO-RAIL OUTPUT
1.5mV Typical Vos
INPUT VOLTAGE RANGE: -0.2V to +3.9V
with Vs = 5V
SUPPLY RANGE: +2.5V to +5.5V
SPECIFIED UP TO +125°
C
Micro
SIZE
DESCRIPTION
The RS875X families of voltage-feedback (VFB)
products offer low voltage operation, negative-rail
input, rail-to-rail output, as well as excellent
speed/power consumption ratio, providing an
excellent bandwidth (250MHz) and slew rate of
180V/us. The op-amps are unity gain stable and
feature an ultra-low input bias current.
These amplifiers set an industry-leading power-to-
performance ratio for rail-to-rail amplifiers. The
RS875X 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.
PACKAGES: SOT23-5
APPLICATIONS
AUDIO ADC INPUT BUFFERS
PHOTODIODE PREAMP
HIGH-DENSITY SYSTEMS
PORTABLE SYSTEMS
DRIVING A/D CONVERTERS
PIN CONFIGURATIONS
RS8751
OUT
1
5
V+
RS8752
OUT A
-IN A
4
-IN
1
2
3
+
8
7
V+
V-
+IN
2
3
+
-
A
B
+
OUTB
-IN B
RS8751
SOT23-5
NC
+IN A
V-
6
4
5
+IN B
1
2
8
NC
-IN
+IN
V-
3
4
+
RS8751B
+ IN
SOIC-8,MSOP-8
5
V+
1
V-
- IN
2
3
-
4
SOT23-5
OUT
Note: NC indicates no internal connection
REV B.1
-
7
6
5
V+
OUT
NC
OUT A
-IN A
SOIC-8,MSOP-8,TDFN-8,TSSOP-8
RS8754
1
2
A
- +
D
+ -
14
13
OUT D
-IN D
+IN A
V+
3
4
5
12
11
10
+IN D
V-
+IN C
+
+IN B
-IN B
OUT B
6
7
SOIC-14,TSSOP-14
- +
B
+ -
C
9
8
-IN C
OUT C
1
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RS8751, RS8752, RS8754
ABSOLUTE MAXIMUM RATINGS
(1)
Supply Voltage, V+ to V-...............................................7.0V
(2)
Input Terminals, Voltage …………... – 0.5 to (V+) + 0.5V
(2)
Current …………………....…..... ±
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 ,TSSOP-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
PRODUCT
ORDERING
NUMBER
RS8751XK
RS8751
RS8751XF
RS8751BXF
RS8751XM
RS8752XK
RS8752
RS8752XM
RS8752XT
RS8752XQ
RS8754
RS8754XP
RS8754XQ
TEMPERATURE
RANGE
-40℃~125℃
-40℃~125℃
-40℃~125℃
-40℃~125℃
-40℃~125℃
-40℃~125℃
-40℃~125℃
-40℃~125℃
-40℃~125℃
-40℃~125℃
PACKAGE
LEAD
SOIC-8
SOT23-5
SOT23-5
MSOP-8
SOIC-8
MSOP-8
TDFN-3x3-8L
TSSOP-8
SOIC -14
TSSOP-14
PACKAGE
MARKING
RS8751
8751
8751B
RS8751
RS8752
RS8752
RS8752
RS8752
RS8754
RS8754
PACKAGE OPTION
Tape and Reel,2500
Tape and Reel,3000
Tape and Reel,3000
Tape and Reel,3000
Tape and Reel,2500
Tape and Reel,3000
Tape and Reel,3000
Tape and Reel,3000
Tape and Reel,2500
Tape and Reel,3000
2
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RS8751, RS8752, RS8754
ELECTRICAL CHARACTERISTICS
(At TA = +25℃, VS = 5V, G = +2, RF = 1K Ω, and RL = 1KΩ connected to VS/2, V
IN_CM
=Vs/2, unless otherwise noted.)
PARAMETER
POWER SUPPLY
Vs
IQ
PSRR
Operating Voltage Range
Quiescent Current/Amplifier
Power-Supply Rejection Ratio
CONDITIONS
RS8751,RS8752,RS8754
MIN
2.5
2.9
TYP
MAX
5.5
3.5
UINTS
V
mA
dB
Vs=2.5V to 5.5V,
Vcm=(V-)+0.5V
Vcm=Vs/2
Vcm=Vs/2, -40° ≤ TA ≤125°
C
C
70
90
INPUT
Vos
Δ
Vos/
Δ
T
IB
Ios
Vcm
CMRR
Input Offset Voltage
Input Offset Voltage Drift
Input Bias Current
Input Offset Current
Common-Mode Voltage
Range
Common-Mode Rejection
Ratio
±1.5
4
1
1
-0.2
66
95
78
85
110
85
23
85
125
250
130
33
15
180
250
62
13
8
±7.5
10
10
3.9
mV
µ /
°
V C
pA
pA
V
dB
dB
dB
mV
mA
mA
MHz
MHz
MHz
MHz
V/us
MHz
°
μVpp
nV/√Hz
Vs= 5V
Vs= 5.5V, Vcm=-0.2V to 3.5V
Vs=5.0V,RL=1KΩ,Vo=Vs-0.2V
Vs=5.0V,RL=150Ω,Vo=Vs-0.3V
RL=1KΩ
OUTPUT
AOL
Open-Loop Voltage Gain
Output Swing From Rail
Output Current Source
Output Current Sink
Small-Signal Bandwidth
Iout
Iout
FREQUENCY RESPONSE
V
OUT
=100mVpp,G=1
V
OUT
=100mVpp,G=2
V
OUT
=100mVpp,G=5
V
OUT
=100mVpp,G=10
SR
GBP
Slew Rate
Gain-Bandwidth Product
PM
NOISE
e
n
p-p
en
Phase Margin
Input Voltage Noise
Input Voltage Noise Density
f = 0.1 Hz to 10 Hz
f = 1 MHz
3
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RS8751, RS8752, RS8754
TYPICAL CHARACTERISTICS
At TA = +25℃, VS = 5V, G = +2, RF = 1K Ω, and RL = 1KΩ connected to VS/2, V
IN_CM
=Vs/2, unless otherwise noted
Non-Inverting Small-Signal Frequency
Response
2
-3dB_GW_Gain=1
1
Normalized Gain (dB)
G=1,
RF=24Ω
-2
-4
G=2
G=5
Normalized Gain (dB)
0
RL=1KΩ
-1
-3
-5
-7
-9
10M
RL=150Ω
-6
-8
-10
100K
G=10
1M
10M
100M
1000M
100M
1000M
Frequency(Hz)
Frequency(Hz) V
s
=5V
-3dB_GW_Gain=2
1
8
RL=10KΩ
Frequency Response for Various CL
Normalized Gain (dB)
6
4
2
0
-2
-4
-6
-8
1M
10M
100M
1000M
Normalized Gain (dB)
0
-1
-2
-3
-4
-5
1M
10M
100M
RL=50Ω
RL=150Ω
RL=1KΩ
CL=100P
CL=47P
CL=6P
1000M
Frequency(Hz)
Frequency(Hz)
V
s
=5V G=2 RF=887
AC Response
0.4
Frequency Response for Various RL
2
Normalized Gain (dB)
RL=10KΩ
RL=1KΩ
RL=150Ω
RL=50Ω
Normalized Gain (dB)
1000M
0
-2
-4
-6
-8
-10
-12
-14
10M
100M
0.2
0
-0.2
-0.4
-0.6
1M
10M
Temperature(℃) V
s
=5V
100M
Frequency(Hz) V
s
=5V G=2 RF=887
4
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RS8751, RS8752, RS8754
TYPICAL CHARACTERISTICS
At TA = +25℃, VS = 5V, G = +2, RF = 1K Ω, and RL = 1KΩ connected to VS/2, V
IN_CM
=Vs/2, unless otherwise noted
SINK CURRENT vs TEMPERATURE
150
145
140
135
130
125
120
115
110
105
100
-40 -20
0
20 40 60 80 100 120 140
Temperature(℃)
INPUT BIAS CURRENT vs TEMPERATURE
10K
SOURCE CURRENT vs TEMPERATURE
130
120
Source Current(mA)
110
100
90
80
70
60
50
-40 -20
0
20 40 60 80 100 120 140
Temperature(℃)
Sink Current(mA)
SMALL−SIGNAL STEP RESPONSE
Input Bias Current(pA)
1K
100
10
1
0.1
-40 -20
0
20
40
60
80 100 120 140
50mV/div
10ns/div
Temperature(℃)
LARGE−SIGNAL STEP RESPONSE
POSITIVE OVERLOAD RECOVERY
0V
V
IN
1V/div
200mV/div
V
OUT
1V/div
V
S
=±2.5V
G=-100
0V
10ns/div
50ns/div
5
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