LT1783
1.25MHz, Over-The-Top
Micropower, Rail-to-Rail
Input and Output Op Amp in SOT-23
FEATURES
s
s
s
s
s
s
s
s
s
s
s
s
s
s
DESCRIPTIO
Operates with Inputs Above V
+
Rail-to-Rail Input and Output
Micropower: 300
µ
A Supply Current Max
Operating Temperature Range: – 40°C to 125°C
Low Profile (1mm) ThinSOT
TM
Package
Gain Bandwidth product: 1.25MHz
Slew Rate: 0.42V/µs
Low Input Offset Voltage: 800µV Max
Single Supply Input Range: 0V to 18V
High Output Current: 18mA Min
Specified on 3V, 5V and
±5V
Supplies
Output Shutdown on 6-Lead Version
Reverse Battery Protection to 18V
High Voltage Gain: 1500V/mV
The LT
®
1783 is a 1.25MHz op amp available in the small
SOT-23 package that operates on all single and split
supplies with a total voltage of 2.5V to 18V. The amplifier
draws less than 300µA of quiescent current and has
reverse battery protection, drawing negligible current for
reverse supply voltages up to 18V.
The input range of the LT1783 includes ground, and a
unique feature of this device is its Over-The-Top
TM
opera-
tion capabilitity with either or both of its inputs above the
positive rail. The inputs handle 18V both differential and
common mode, independent of supply voltage. The input
stage incorporates phase reversal protection to prevent
false outputs from occurring even when the inputs are 9V
below the negative supply.
The LT1783 can drive loads up to 18mA and still maintain
rail-to-rail capability. A shutdown feature on the 6-lead
version can disable the part, making the output high
impedance and reducing quiescent current to 5µA. The
LT1783 op amp is available in the 5- and 6-lead
SOT-23 packages. For applications requiring lower power,
refer to the LT1782.
, LTC and LT are registered trademarks of Linear Technology Corporation.
ThinSOT and Over-The-Top are trademarks of Linear Technology Corporation.
APPLICATIO S
s
s
s
s
s
s
s
Portable Instrumentation
Battery- or Solar-Powered Systems
Sensor Conditioning
Supply Current Sensing
Battery Monitoring
MUX Amplifiers
4mA to 20mA Transmitters
TYPICAL APPLICATIO
V
+
5V TO 18V
200Ω
5V
0.2Ω
200Ω
Distribution of Input Offset Voltage
Positive Supply Rail Current Sense
PERCENTAGE OF AMPLIFIERS
25
V
S
= 5V, 0V
V
CM
= 2.5V
20
15
+
LT1783
2N3904
V
OUT
= 2Ω(I
LOAD
)
0V TO 4.3V
2k
1783 TA01
10
–
5
LOAD
I
LOAD
0
–900
–600 –300
0
300
600
INPUT OFFSET VOLTAGE (µV)
U
900
1782 G25
U
U
1
LT1783
ABSOLUTE
AXI U
RATI GS
Total Supply Voltage (V
+
to V
–
) .............................. 18V
Input Differential Voltage ........................................ 18V
Input Pin Voltage to V
–
............................... + 24V/– 10V
Shutdown Pin Voltage Above V
–
............................ 18V
Shutdown Pin Current .......................................
±10mA
Output Short-Circuit Duration (Note 2) ........... Indefinite
Operating Temperature Range (Note 3)
LT1783C ............................................ – 40°C to 85°C
LT1783I ............................................. – 40°C to 85°C
LT1783H ......................................... – 40°C to 125°C
PACKAGE/ORDER I FOR ATIO
TOP VIEW
OUT 1
V
–
2
+IN 3
+ –
ORDER PART
NUMBER
TOP VIEW
5
V
+
4
–IN
LT1783CS5
LT1783IS5
LT1783HS5
S5 PART MARKING
LTLF
LTLG
LTXR
S5 PACKAGE
5-LEAD PLASTIC SOT-23
T
JMAX
= 150°C,
θ
JA
= 250°C/ W
Consult factory for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS
The
q
denotes specifications which apply over the specified temperature range, otherwise specifications are TA = 25°C. V
S
= 3V, 0V;
V
S
= 5V, 0V, V
CM
= V
OUT
= half supply, for the 6-lead part V
PIN5
= 0V, pulse power tested unless otherwise specified. (Note 4)
SYMBOL PARAMETER
V
OS
Input Offset Voltage
CONDITIONS
T
A
= 25°C
0°C
≤
T
A
≤
70°C
–40°C
≤
T
A
≤
85°C
q
q
q
Input Offset Voltage Drift (Note 9)
I
OS
I
B
Input Offset Current
V
CM
= 18V (Note 5)
Input Bias Current
V
CM
= 18V (Note 5)
SHDN or V
S
= 0V, V
CM
= 0V to 18V
Input Bias Current Drift
Input Noise Voltage
e
n
i
n
Input Noise Voltage Density
Input Noise Current Density
0.1Hz to 10Hz
f = 1kHz
f = 1kHz
2
U
U
W
W W
U
W
(Note 1)
Specified Temperature Range (Note 4)
LT1783C ............................................ – 40°C to 85°C
LT1783I ............................................. – 40°C to 85°C
LT1783H ......................................... – 40°C to 125°C
Junction Temperature........................................... 150°C
Storage Temperature Range ................ – 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
ORDER PART
NUMBER
OUT 1
V
–
2
+IN 3
+ –
+
6
V
5
SHDN
4
–IN
LT1783CS6
LT1783IS6
LT1783HS6
S6 PART MARKING
LTIU
LTIV
LTXS
S6 PACKAGE
6-LEAD PLASTIC SOT-23
T
JMAX
= 150°C,
θ
JA
= 230°C/ W
LT1783C/LT1783I
MIN
TYP
MAX
400
800
950
1100
5
8
7
80
60
UNITS
µV
µV
µV
µV/°C
nA
µA
nA
µA
nA
nA/°C
µV
P-P
nV/√Hz
pA/√Hz
2
4
45
35
0.1
0.06
0.6
20
0.14
q
q
q
q
q
LT1783
ELECTRICAL CHARACTERISTICS
The
q
denotes specifications which apply over the specified temperature range, otherwise specifications are TA = 25°C. V
S
= 3V, 0V;
V
S
= 5V, 0V, V
CM
= V
OUT
= half supply, for the 6-lead part V
PIN5
= 0V, pulse power tested unless otherwise specified. (Note 4)
SYMBOL PARAMETER
R
IN
Input Resistance
CONDITIONS
Differential
Common Mode, V
CM
= 0V to (V
CC
– 1V)
Common Mode, V
CM
= 0V to 18V
q
q
LT1783C/LT1783I
MIN
TYP
MAX
0.65
0.3
0
90
68
90
200
133
100
400
250
200
100
80
100
1500
1.3
1
0.5
5
q
UNITS
MΩ
GΩ
MΩ
pF
C
IN
CMRR
PSRR
A
VOL
Input Capacitance
Input Voltage Range
Common Mode Rejection Ratio
(Note 5)
Power Supply Rejection Ratio
Large-Signal Voltage Gain
V
CM
= 0V to V
CC
– 1V
V
CM
= 0V to 18V (Note 8)
V
S
= 3V to 12.5V, V
CM
= V
O
= 1V
V
S
= 3V, V
O
= 500mV to 2.5V, R
L
= 10k
V
S
= 3V, 0°C
≤
T
A
≤
70°C
V
S
= 3V, – 40°C
≤
T
A
≤
85°C
V
S
= 5V, V
O
= 500mV to 4.5V, R
L
= 10k
V
S
= 5V, 0°C
≤
T
A
≤
70°C
V
S
= 5V, – 40°C
≤
T
A
≤
85°C
q
q
q
q
q
q
q
q
q
q
q
q
q
q
18
V
dB
dB
dB
V/mV
V/mV
V/mV
V/mV
V/mV
V/mV
1500
V
OL
Output Voltage Swing LOW
No Load
I
SINK
= 5mA
V
S
= 5V, I
SINK
= 10mA
V
S
= 3V, No Load
V
S
= 3V, I
SOURCE
= 5mA
V
S
= 5V, No Load
V
S
= 5V, I
SOURCE
= 10mA
3
200
330
2.91
2.6
4.91
4.5
5
15
15
20
2.94
2.8
4.94
4.74
10
30
30
40
2.5
18
210
8
400
600
mV
mV
mV
V
V
V
V
mA
mA
mA
mA
V
OH
Output Voltage Swing HIGH
I
SC
Short-Circuit Current (Note 2)
V
S
= 3V, Short to GND
V
S
= 3V, Short to V
CC
V
S
= 5V, Short to GND
V
S
= 5V, Short to V
CC
Minimum Supply Voltage
Reverse Supply Voltage
I
S
Supply Current
(Note 6)
Supply Current, SHDN
I
SHDN
Shutdown Pin Current
I
S
= –100µA
0°C
≤
T
A
≤
70°C
– 40°C
≤
T
A
≤
85°C
V
PIN5
= 2V, No Load (Note 10)
V
PIN5
= 0.3V, No Load (Note 10)
V
PIN5
= 2V, No Load (Note 10)
V
PIN5
= 5V, No Load (Note 10)
V
PIN5
= 2V, No Load (Note 10)
V
PIN5
= 18V, No Load (Note 10)
(Note 10)
(Note 10)
V
PIN5
= 5V to 0V, R
L
= 10k (Note 10)
V
PIN5
= 0V to 5V, R
L
= 10k (Note 10)
f = 5kHz
0°C
≤
T
A
≤
70°C
– 40°C
≤
T
A
≤
85°C
q
q
q
q
q
q
q
q
q
q
q
2.7
300
350
375
18
8
1
30
0.3
V
V
µA
µA
µA
µA
nA
µA
µA
µA
µA
V
V
µs
µs
kHz
kHz
kHz
5
0.5
2
5
0.05
10
2
25
3
750
600
550
1250
Shutdown Output Leakage Current
Maximum Shutdown Pin Current
V
L
V
H
t
ON
t
OFF
GBW
Shutdown Pin Input Low Voltage
Shutdown Pin Input High Voltage
Turn-On Time
Turn-Off Time
Gain Bandwidth Product
(Note 5)
q
q
3
LT1783
ELECTRICAL CHARACTERISTICS
The
q
denotes specifications which apply over the specified temperature range, otherwise specifications are TA = 25°C. V
S
= 3V, 0V;
V
S
= 5V, 0V, V
CM
= V
OUT
= half supply, for the 6-lead part V
PIN5
= 0V, pulse power tested unless otherwise specified. (Note 4)
SYMBOL PARAMETER
SR
Slew Rate
(Note 7)
Full-Power Bandwidth (Note 11)
Settling Time
Distortion
CONDITIONS
A
V
= –1, R
L
=
∞
0°C
≤
T
A
≤
70°C
– 40°C
≤
T
A
≤
85°C
V
OUT
= 2V
P-P
V
S
= 5V,
∆V
OUT
= 2V to 0.1%, A
V
= –1
V
S
= 3V, V
O
= 2V
P-P
, A
V
= 1, R
L
= 10k, f = 1kHz
q
q
LT1783C/LT1783I
MIN
TYP
MAX
0.24
0.21
0.019
0.42
UNITS
V/µs
V/µs
V/µs
kHz
µs
%
FPBW
t
S
THD
66
12
0.001
The
q
denotes specifications which apply over the specified temperature range, otherwise specifications are TA = 25°C.
V
S
=
±5V,
V
CM
= 0V, V
OUT
= 0V, for the 6-lead part V
PIN5
= V
–
, pulse power tested unless otherwise specified. (Note 4)
SYMBOL PARAMETER
V
OS
Input Offset Voltage
CONDITIONS
T
A
= 25°C
0°C
≤
T
A
≤
70°C
– 40°C
≤
T
A
≤
85°C
q
q
q
q
q
q
LT1783C/LT1783I
MIN
TYP
MAX
500
900
1050
1200
5
8
80
UNITS
µV
µV
µV
µV/°C
nA
nA
nA/°C
µV
P-P
nV/√Hz
pA/√Hz
MΩ
MΩ
pF
Input Offset Voltage Drift (Note 9)
I
OS
I
B
Input Offset Current
Input Bias Current
Input Bias Current Drift
Input Noise Voltage
e
n
i
n
R
IN
C
IN
CMRR
A
VOL
Input Noise Voltage Density
Input Noise Current Density
Input Resistance
Input Capacitance
Input Voltage Range
Common Mode Rejection Ratio
Large-Signal Voltage Gain
V
CM
= –5V to 13V
V
O
=
±4V,
R
L
= 10k
0°C
≤
T
A
≤
70°C
–40°C
≤
T
A
≤
85°C
No Load
I
SINK
= 5mA
I
SINK
= 10mA
No Load
I
SOURCE
= 5mA
I
SOURCE
= 10mA
Short to GND
0°C
≤
T
A
≤
70°C
V
S
=
±1.5V
to
±9V
0°C
≤
T
A
≤
70°C
–40°C
≤
T
A
≤
85°C
Supply Current, SHDN
I
SHDN
Shutdown Pin Current
V
PIN5
= –3V, V
S
=
±5V,
No Load (Note 10)
V
PIN5
= –4.7V, V
S
=
±5V,
No Load (Note 10)
V
PIN5
= –3V, V
S
=
±5V,
No Load (Note 10)
0.1Hz to 10Hz
f = 1kHz
f = 1kHz
Differential
Common Mode, V
CM
= –5V to 13V
2
4
40
0.06
1
20
0.14
q
q
0.65
0.3
–5
68
70
50
40
1.3
0.5
5
13
80
160
q
q
q
q
q
q
q
q
q
q
q
q
q
q
q
q
q
V
dB
V/mV
V/mV
V/mV
V
OL
Output Voltage Swing LOW
–4.997
–4.8
–4.67
4.91
4.6
4.5
18
15
90
4.94
4.8
4.74
30
100
230
–4.992
–4.6
–4.4
V
V
V
V
V
V
mA
mA
dB
V
OH
Output Voltage Swing HIGH
I
SC
PSRR
I
S
Short-Circuit Current (Note 2)
Power Supply Rejection Ratio
Supply Current
325
375
400
20
8
µA
µA
µA
µA
nA
µA
6
0.5
2
4
LT1783
ELECTRICAL CHARACTERISTICS
The
q
denotes specifications which apply over the specified temperature range, otherwise specifications are TA = 25°C.
V
S
=
±5V,
V
CM
= 0V, V
OUT
= 0V, for the 6-lead part V
PIN5
= V
–
, pulse power tested unless otherwise specified. (Note 4)
SYMBOL PARAMETER
Maximum Shutdown Pin Current
Shutdown Output Leakage Current
V
L
V
H
t
ON
t
OFF
GBW
Shutdown Pin Input Low Voltage
Shutdown Pin Input High Voltage
Turn-On Time
Turn-Off Time
Gain Bandwidth Product
CONDITIONS
V
PIN5
= 9V, V
S
=
±9V
(Note 10)
V
PIN5
= –7V, V
S
=
±9V,
No Load (Note 10)
V
S
=
±5V
(Note 10)
V
S
=
±5V
(Note 10)
V
PIN5
= 0V to –5V, R
L
= 10k (Note 10)
V
PIN5
= –5V to 0V, R
L
= 10k (Note 10)
f = 5kHz
0°C
≤
T
A
≤
70°C
–40°C
≤
T
A
≤
85°C
A
V
= –1, R
L
=
∞,
V
O
=
±4V,
Measured at V
O
=
±2V
0°C
≤
T
A
≤
70°C
–40°C
≤
T
A
≤
85°C
V
OUT
= 8V
P-P
∆V
OUT
= 4V to 0.1%, A
V
= 1
q
q
q
q
q
q
q
q
q
q
LT1783C/LT1783I
MIN
TYP
MAX
10
0.05
–2.8
25
3
800
700
625
0.26
0.23
0.21
1300
30
1
–4.7
UNITS
µA
µA
V
V
µs
µs
kHz
kHz
kHz
V/µs
V/µs
V/µs
kHz
µs
SR
Slew Rate
0.45
FPBW
t
S
Full-Power Bandwidth (Note 11)
Settling Time
18
10
The
q
denotes specifications which apply over the full operating temperature range of –40°C
≤
T
A
≤
125°C. V
S
= 3V, 0V; V
S
= 5V, 0V;
V
CM
= V
OUT
= half supply, for the 6-lead part V
PIN5
= 0V, pulse power tested unless otherwise specified. (Note 4)
SYMBOL PARAMETER
V
OS
Input Offset Voltage
q
CONDITIONS
MIN
LT1783H
TYP
400
MAX
850
3
15
15
10
150
150
UNITS
µV
mV
µV/°C
nA
µA
nA
µA
V
dB
dB
Input Offset Voltage Drift (Note 9)
I
OS
I
B
Input Offset Current
V
CM
= 18V (Note 5)
Input Bias Current
V
CM
= 18V (Note 5)
Input Voltage Range
CMRR
A
VOL
Common Mode Rejection Ratio
Large-Signal Voltage Gain
V
CM
= 0.3V to V
CC
– 1V
V
CM
= 0.3V to 18V
V
S
= 3V, V
O
= 500mV to 2.5V, R
L
= 10k
q
q
q
q
q
q
q
q
q
0.3
76
60
200
50
400
100
1500
1500
18
V/mV
V/mV
V/mV
V/mV
15
800
1200
mV
mV
mV
V
V
V
V
dB
V
V
V
S
= 5V, V
O
= 500mV to 4.5V, R
L
= 10k
q
V
OL
Output Voltage Swing LOW
No Load
I
SINK
= 5mA
V
S
= 5V, I
SINK
= 10mA
V
S
= 3V, No Load
V
S
= 3V, I
SOURCE
= 5mA
V
S
= 5V, No Load
V
S
= 5V, I
SOURCE
= 10mA
q
q
q
q
q
q
q
q
q
V
OH
Output Voltage Swing HIGH
2.85
2.30
4.85
4
80
2.7
18
PSRR
Power Supply Rejection Ratio
Minimum Supply Voltage
Reverse Supply Voltage
V
S
= 3V to 12.5V, V
CM
= V
O
= 1V
I
S
= –100µA
q
5
京公网安备 11010802033920号
EEWORLD
