LMC7101
Micrel, Inc.
LMC7101
Low-Power Operational Amplifier
Final Information
General Description
The LMC7101 is a high-performance, low-power, operational
amplifier which is pin-for-pin compatible with the National
Semiconductor LMC7101. It features rail-to-rail input and
output performance in Micrel’s IttyBitty
™
SOT-23-5 package.
The LMC7101 is a 500kHz gain bandwidth amplifier de-
signed to operate from 2.7V to 12V single-ended power
supplies with guaranteed performance at supply voltages of
2.7V, 3V, 5V, and 12V.
This op amp’s input common-mode range includes ground
and extends 300mV beyond the supply rails. For example,
the common-mode range is –0.3V to +5.3V with a 5V supply.
Features
•
•
•
•
•
Small footprint SOT-23-5 package
Guaranteed 2.7V, 3V, 5V, and 12V performance
500kHz gain-bandwidth
0.01% total harmonic distortion at 10kHz (5V, 2kΩ)
0.5mA typical supply current at 5V
Applications
•
•
•
•
Mobile communications, cellular phones, pagers
Battery-powered instrumentation
PCMCIA, USB
Portable computers and PDAs
Ordering Information
Standard
Part Number
Marking
LMC7101AIM5
LMC7101BIM5
A12A
A12
Pb-Free
Part Number
Marking*
LMC7101AYM5
LMC7101BYM5
A12A
A12
Grade
Prime
Standard
Temp Range
–40°C to +85°C
–40°C to +85°C
Package
SOT-23-5
SOT-23-5
*Under bar symbol (_) may not be to scale.
Pin Configuration
IN+
3
Functional Configuration
IN+
Part
Identification
3
V+ OUT
2
1
V+ OUT
2
1
A12A
4
5
4
5
IN–
V–
IN–
V–
SOT-23-5 (M5)
Pin Description
Pin Number
1
2
3
4
5
Pin Name
OUT
V+
IN+
IN–
V–
Pin Function
Amplifier Output
Positive Supply
Noninverting Input
Inverting Input
Negative Supply: Negative supply for split supply application or ground for
single supply application.
Micrel, Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com
February 2005
1
LMC7101
LMC7101
Micrel, Inc.
Absolute Maximum Ratings
(Note 1)
Supply Voltage (V
V+
– V
V–
) ........................................... 15V
Differential Input Voltage (V
IN+
– V
IN–
) ...........
±(V
V+
– V
V–
)
I/O Pin Voltage (V
IN
, V
OUT
),
Note 2
............................................. V
V+
+ 0.3V to V
V–
– 0.3V
Junction Temperature (T
J
) ...................................... +150°C
Storage Temperature ............................... –65°C to +150°C
Lead Temperature (soldering, 10 sec.) ..................... 260°C
ESD,
Note 5
.................................................................. 2kV
Operating Ratings
(Note 1)
Supply Voltage (V
V+
– V
V–
) .............................. 2.7V to 12V
Ambient Temperature (T
A
) ......................... –40°C to +85°C
Junction Temperature (T
J
) ....................... –40°C to +125°C
Max. Junction Temperature (T
J(max)
),
Note 3
......... +125°C
Package Thermal Resistance (θ
JA
),
Note 4..........
325°C/W
Max. Power Dissipation ............................................
Note 3
Electrical Characteristics (2.7V)
V+ = +2.7V, V– = 0V, V
CM
= V
OUT
= V+/2; R
L
= 1MΩ; T
J
= 25°C,
bold
values indicate –40°C
≤
T
J
≤
+85°C; unless noted
LMC7101A
Symbol
V
OS
TCV
OS
I
B
I
OS
R
IN
CMRR
V
CM
PSRR
C
IN
V
O
Parameter
Input Offset Voltage
Input Offset Voltage Average Drift
Input Bias Current
Input Offset Current
Input Resistance
Common-Mode Rejection Ratio
Input Common-Mode Voltage
0V
≤
V
CM
≤
2.7V,
Note 6
input low, CMRR
≥
50dB
input high, CMRR
≥
50dB
Power Supply Rejection Ratio
Common-Mode Input Capacitance
Output Swing
output high, R
L
= 10k
output low, R
L
= 10k
output high, R
L
= 2k
output low, R
L
= 2k
I
S
SR
GBW
Supply Current
Slew Rate
Gain-Bandwidth Product
V
OUT
= V+/2
V+ = 1.35V to 1.65V, V– =
–1.35V to –1.65V, V
CM
= 0
Condition
Typ
0.11
1.0
1.0
0.5
>1
70
–0.3
3.0
60
3
2.699
0.001
2.692
0.008
0.5
0.4
0.5
2.6
0.1
0.81
0.95
2.64
0.06
2.6
0.1
0.81
0.95
2.64
0.06
2.7
50
50
0.0
2.7
45
50
0.0
64
32
64
32
Min
Max
6
LMC7101B
Min
Max
9
Units
mV
µV/°C
pA
pA
TΩ
dB
V
V
dB
pF
V
V
V
V
mA
mA
V/µs
MHz
Electrical Characteristics (3.0V)
V+ = +3.0V, V– = 0V, V
CM
= V
OUT
= V+/2; R
L
= 1MΩ; T
J
= 25°C,
bold
values indicate –40°C
≤
T
J
≤
+85°C; unless noted
LMC7101A
Symbol
V
OS
TCV
OS
I
B
I
OS
R
IN
Parameter
Input Offset Voltage
Input Offset Voltage Average Drift
Input Bias Current
Input Offset Current
Input Resistance
Condition
Typ
0.11
1.0
1.0
0.5
>1
64
32
64
32
Min
Max
4
6
LMC7101B
Min
Max
7
9
Units
mV
mV
µV/°C
pA
pA
TΩ
LMC7101
2
February 2005
LMC7101
LMC7101A
Symbol
CMRR
V
CM
PSRR
C
IN
V
OUT
Parameter
Common-Mode Rejection Ratio
Input Common-Mode Voltage
Condition
0V
≤
V
CM
≤
3.0V,
Note 6
input low, CMRR
≥
50dB
input high, CMRR
≥
50dB
Power Supply Rejection Ratio
Common-Mode Input Capacitance
Output Swing
output high, R
L
= 2k
output low, R
L
= 2k
output high, R
L
= 600Ω
output low, R
L
= 600Ω
I
S
Supply Current
V+ = 1.5V to 6.0V, V– =
–1.5V to –6.0V, V
CM
= 0
Typ
74
–0.3
3.3
80
3
2.992
0.008
2.973
0.027
0.5
2.85
0.15
0.81
0.95
2.9
0.1
2.85
2.9
3.0
68
Min
60
0
3.0
60
Max
Micrel, Inc.
LMC7101B
Min
60
0
Max
Units
dB
V
V
dB
pF
V
0.1
V
V
0.15
0.81
0.95
V
mA
mA
Electrical Characteristics—DC (5V)
V+ = +5.0V, V– = 0V, V
CM
= 1.5V, V
OUT
= V+/2; R
L
= 1MΩ; T
J
= 25°C,
bold
values indicate –40°C
≤
T
J
≤
+85°C; unless noted
LMC7101A
Symbol
V
OS
TCV
OS
I
B
I
OS
R
IN
CMRR
V
CM
Parameter
Input Offset Voltage
Input Offset Voltage Average Drift
Input Bias Current
Input Offset Current
Input Resistance
Common-Mode Rejection Ratio
Input Common-Mode Voltage
0V
≤
V
CM
≤
5V,
Note 6
input low, CMRR
≥
50dB
input high, CMRR
≥
50dB
+PSRR
–PSRR
C
IN
V
OUT
Positive Power Supply
Rejection Ratio
Negative Power Supply
Rejection Ratio
Common-Mode Input Capacitance
Output Swing
output high, R
L
= 2k
output low, R
L
= 2k
output high, R
L
= 600Ω
output low, R
L
= 600Ω
I
SC
I
S
Output Short Circuit Current
Note 7
Supply Current
sourcing (V
OUT
= 0V) or
sinking (V
OUT
= 5V)
V
OUT
= V+/2
V+ = 5V to 12V,
V– = 0V, V
OUT
= 1.5V
V+ = 0V, V– = –5V to –12V,
V
OUT
= –1.5V
Condition
Typ
0.11
1.0
1.0
0.5
>1
82
–0.3
5.3
82
82
3
4.989
0.011
4.963
0.037
200
0.5
120
80
0.85
1.0
4.9
4.8
0.1
0.2
120
80
0.85
1.0
4.9
4.85
0.1
0.15
4.9
4.8
0.1
0.2
4.9
4.85
0.1
0.15
5.20
5.00
70
65
70
65
60
55
–0.20
0.00
5.20
5.00
65
62
65
62
60
55
–0.20
0.00
64
32
64
32
Min
Max
3
5
LMC7101B
Min
Max
7
9
Units
mV
mV
µV/°C
pA
pA
TΩ
dB
dB
V
V
V
V
dB
dB
dB
dB
pF
V
V
V
V
V
V
V
V
mA
mA
mA
mA
February 2005
3
LMC7101
LMC7101
Micrel, Inc.
Electrical Characteristics—DC (12V)
V+ = +12V, V– = 0V, V
CM
= 1.5V, V
OUT
= V+/2; R
L
= 1MΩ; T
J
= 25°C,
bold
values indicate –40°C
≤
T
J
≤
+85°C; unless noted
LMC7101A
Symbol
V
OS
TCV
OS
I
B
I
OS
R
IN
CMRR
V
CM
Parameter
Input Offset Voltage
Input Offset Voltage Average Drift
Input Bias Current
Input Offset Current
Input Resistance
Common-Mode Rejection Ratio
Input Common-Mode Voltage
0V
≤
V
CM
≤
12V,
Note 6
input low, V+ = 12V,
CMRR
≥
50dB
input high, V+ = 12V,
CMRR
≥
50dB
+PSRR
–PSRR
A
V
Positive Power Supply
Rejection Ratio
Negative Power Supply
Rejection Ratio
Large Signal Voltage Gain
V+ = 5V to 12V,
V– = 0V, V
OUT
= 1.5V
V+ = 0V, V– = –5V to
–12V, V
OUT
= –1.5V
sourcing or sinking,
R
L
= 2k,
Note 9
sourcing or sinking,
R
L
= 600Ω,
Note 9
C
IN
V
OUT
Common-Mode Input Capacitance
Output Swing
output high, V+ = 12V,
R
L
= 2k
output low, V+ = 12V,
R
L
= 2k,
output high, V+ = 12V,
R
L
= 600Ω
output low, V+ = 12V,
R
L
= 600Ω
I
SC
Output Short Circuit Current
sourcing (V
OUT
= 0V) or
sinking (V
OUT
= 12V),
Notes 7, 8
V
OUT
= V+/2
Condition
Typ
0.11
1.0
1.0
0.5
>1
82
–0.3
12.3
82
82
340
300
3
11.98
0.02
11.93
0.07
300
200
120
1.5
1.71
11.73
11.65
0.27
0.35
200
120
1.5
1.71
11.9
11.87
0.10
0.13
11.73
11.65
0.27
0.35
11.9
11.87
0.10
0.13
12.2
12.0
70
65
70
65
80
40
15
10
65
60
–0.20
0.00
12.2
12.0
65
62
65
62
80
40
15
10
65
60
–0.20
0.00
64
32
64
32
Min
Max
6
LMC7101B
Min
Max
9
Units
mV
µV/°C
pA
pA
TΩ
dB
dB
V
V
V
V
dB
dB
dB
dB
V/mV
V/mV
V/mV
V/mV
pF
V
V
V
V
V
V
V
V
mA
mA
mA
mA
I
S
Supply Current
0.8
LMC7101
4
February 2005
LMC7101
Micrel, Inc.
Electrical Characteristics—AC (5V)
V+ = 5V, V– = 0V, V
CM
= 1.5V, V
OUT
= V+/2; R
L
= 1MΩ; T
J
= 25°C,
bold
values indicate –40°C
≤
T
J
≤
+85°C; unless noted
LMC7101A
Symbol
THD
SR
GBW
Parameter
Total Harmonic Distortion
Slew Rate
Gain-Bandwidth Product
Condition
f = 10kHz, A
V
= –2,
R
L
= 2kΩ, V
OUT
= 4.0 V
PP
Typ
0.01
0.3
0.5
Min
Max
LMC7101B
Min
Max
Units
%
V/µs
MHz
Electrical Characteristics—AC (12V)
V+ = 12V, V– = 0V, V
CM
= 1.5V, V
OUT
= V+/2; R
L
= 1MΩ; T
J
= 25°C,
bold
values indicate –40°C
≤
T
J
≤
+85°C; unless noted
LMC7101A
Symbol
THD
SR
GBW
φ
m
G
m
e
n
i
n
Parameter
Total Harmonic Distortion
Slew Rate
Gain-Bandwidth Product
Phase Margin
Gain Margin
Input-Referred Voltage Noise
Input-Referred Current Noise
f = 1kHz, V
CM
= 1V
f = 1kHz
Condition
f = 10kHz, A
V
= –2,
R
L
= 2k, V
OUT
= 8.5 V
PP
V+ = 12V,
Note 10
Typ
0.01
0.3
0.5
45
10
37
1.5
0.19
0.15
0.19
0.15
Min
Max
LMC7101B
Min
Max
Units
%
V/µs
V/µs
MHz
°
dB
nV/ Hz
fA/ Hz
General Notes:
Devices are ESD protected; however, handling precautions are recommended. All limits guaranteed by testing on statistical analysis.
Note 1.
Note 2.
Note 3.
Absolute maximum ratings indicate limits beyond which damage to the component may occur. Electrical specifications do not apply when
operating the device outside its recommended operating ratings.
I/O Pin Voltage is any external voltage to which an input or output is referenced.
The maximum allowable power dissipation is a function of the maximum junction temperature, T
J(max)
; the junction-to-ambient thermal
resistance,
θ
JA
; and the ambient temperature, T
A
. The maximum allowable power dissipation at any ambient temperature is calculated using:
P
D
= (T
J(max)
– T
A
)
÷
θ
JA
. Exceeding the maximum allowable power dissipation will result in excessive die temperature.
Thermal resistance,
θ
JA
, applies to a part soldered on a printed-circuit board.
Human body model, 1.5k in series with 100pF.
Common-mode performance tends to follow the typical value. Minimum value limits reflect performance only near the supply rails.
Continuous short circuit may exceed absolute maximum T
J
under some conditions.
Shorting OUT to V+ when V+ > 12V may damage the device.
R
L
connected to 5.0V. Sourcing: 5V
≤
V
OUT
≤
12V. Sinking: 2.5V
≤
V
OUT
≤
5V.
Note 4.
Note 5.
Note 6.
Note 7.
Note 8.
Note 9.
Note 10.
Device connected as a voltage follower with a 12V step input. The value is the positive or negative slew rate, whichever is slower.
February 2005
5
LMC7101
Suggestions & Announcements
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