ChipFind - документация

Электронный компонент: LT1802

Скачать:  PDF   ZIP
18012fa.pm6
background image
1
LT1801/LT1802
18012fa
Dual/Quad 80MHz, 25V/
s
Low Power Rail-to-Rail Input and
Output Precision Op Amps
The LT
1801/LT1802 are dual/quad, low power, high
speed rail-to-rail input and output operational amplifiers
with excellent DC performance. The LT1801/LT1802 fea-
ture reduced supply current, lower input offset voltage,
lower input bias current and higher DC gain than other
devices with comparable bandwidth.
Typically, the LT1801/LT1802 have an input offset voltage
of less than 100
V, an input bias current of less than 50nA
and an open-loop gain of 85 thousand.
The LT1801/LT1802 have an input range that includes
both supply rails and an output that swings within 20mV
of either supply rail to maximize the signal dynamic range
in low supply applications.
The LT1801/LT1802 maintain their performance for sup-
plies from 2.3V to 12.6V and are specified at 3V, 5V and
5V supplies. The inputs can be driven beyond the sup-
plies without damage or phase reversal of the output.
The LT1801 is available in the MS8, SO-8 and the 3mm
3mm
0.8mm dual fine pitch leadless package (DFN) with
the standard dual op amp pinout. The LT1802 features the
standard quad op amp configuration and is available in the
14-pin plastic SO package. The LT1801/LT1802 can be
used as plug-in replacements for many op amps to im-
prove input/output range and performance.
For a single version of these amplifiers, see the LT1800
data sheet.
s
Gain Bandwidth Product: 80MHz
s
Input Common Mode Range Includes Both Rails
s
Output Swings Rail-to-Rail
s
Low Voltage Operation: Single or Split Supplies
2.3V to 12.6V
s
Low Quiescent Current: 2mA/Amplifier Max
s
Input Offset Voltage: 350
V Max
s
Input Bias Current: 250nA Max
s
3mm
3mm
0.8mm DFN Package
s
Large Output Current: 50mA Typ
s
Low Voltage Noise: 8.5nV/
Hz Typ
s
Slew Rate: 25V/
s Typ
s
Common Mode Rejection: 105dB Typ
s
Power Supply Rejection: 97dB Typ
s
Open-Loop Gain: 85V/mV Typ
s
Operating Temperature Range: 40
C to 85
C
, LTC and LT are registered trademarks of Linear Technology Corporation.
s
Low Voltage, High Frequency Signal Processing
s
Driving A/D Converters
s
Rail-to-Rail Buffer Amplifiers
s
Active Filters
s
Video Line Driver
+
1/2 LT1801
47pF
220pF
V
IN
V
S
/2
909
2.67k
909
+
1/2 LT1801
22pF
V
OUT
470pF
18012 TA01
1.1k
2.21k
3V
1.1k
3V, 1MHz, 4th Order Butterworth Filter
FREQUENCY (Hz)
80
GAIN (dB)
40
0
100
60
20
1k
100k
1M
10M
100M
18012 TA02
120
10k
1MHz Filter Frequency Response
FEATURES
DESCRIPTIO
U
APPLICATIO S
U
TYPICAL APPLICATIO
U
background image
2
LT1801/LT1802
18012fa
T
JMAX
= 150
C,
JA
= 160
C/ W, (Note 10)
Total Supply Voltage (V
S
to V
S
+
) ......................... 12.6V
Input Current (Note 2) ........................................
10mA
Output Short-Circuit Duration (Note 3) ............ Indefinite
Operating Temperature Range (Note 4) .. 40
C to 85
C
Specified Temperature Range (Note 5) ... 40
C to 85
C
ABSOLUTE AXI U RATI GS
W
W
W
U
PACKAGE/ORDER I FOR ATIO
U
U
W
Consult LTC Marketing for parts specified with wider operating temperature ranges.
*The temperature grades are identified by a label on the shipping container.
Junction Temperature .......................................... 150
C
Storage Temperature Range ................. 65
C to 150
C
Maximum Junction Temperature (DD Package) ... 125
C
Storage Temperature (DD Package) ..... 65
C to 125
C
Lead Temperature (Soldering, 10 sec).................. 300
C
(Note 1)
TOP VIEW
S PACKAGE
14-LEAD PLASTIC SO
1
2
3
4
5
6
7
14
13
12
11
10
8
8
OUT A
IN A
+IN A
V
+
+IN B
IN B
OUT B
OUT D
IN D
+IN D
V
+IN C
IN C
OUT C
A
B
C
D
1801
1801I
1
2
3
4
8
7
6
5
TOP VIEW
V
+
OUT B
IN B
+IN B
OUT A
IN A
+IN A
V
S8 PACKAGE
8-LEAD PLASTIC SO
+
+
T
JMAX
= 150
C,
JA
= 190
C/ W, (Note 10)
LT1802CS
LT1802IS
S8 PART
MARKING
ORDER PART
NUMBER
1
2
3
4
OUT A
IN A
+IN A
V
8
7
6
5
V
+
OUT B
IN B
+IN B
TOP VIEW
MS8 PACKAGE
8-LEAD PLASTIC MSOP
ORDER PART
NUMBER
LT1801CS8
LT1801IS8
LTYR
LTYS
MS8 PART
MARKING
ORDER PART
NUMBER
LT1801CMS8
LT1801IMS8
T
JMAX
= 150
C,
JA
= 250
C/ W, (Note 10)
TOP VIEW
DD PACKAGE
8-LEAD (3mm
3mm) PLASTIC DFN
5
6
7
8
4
3
2
1
OUT A
IN A
+IN A
V
V
+
OUT B
IN B
+IN B
LAAM*
DD PART
MARKING
ORDER PART
NUMBER
LT1801CDD
LT1801IDD
T
JMAX
= 125
C,
JA
= 160
C/ W, (Note 10)
background image
3
LT1801/LT1802
18012fa
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V
OS
Input Offset Voltage
V
CM
= 0V
75
350
V
V
CM
= 0V (MS8)
140
500
V
V
CM
= 0V (DD)
175
800
V
V
CM
= V
S
0.5
3
mV
V
OS
Input Offset Shift
V
CM
= 0V to V
S
1.5V
20
185
V
Input Offset Voltage Match
V
CM
= 0V
100
650
V
(Channel-to-Channel) (Note 9)
V
CM
= 0V (MS8)
150
900
V
V
CM
= 0V (DD)
280
1200
V
I
B
Input Bias Current
V
CM
= 1V
25
250
nA
V
CM
= V
S
500
1500
nA
Input Bias Current Match
V
CM
= 1V
25
350
nA
(Channel-to-Channel) (Note 9)
V
CM
= V
S
25
500
nA
I
OS
Input Offset Current
V
CM
= 1V
25
200
nA
V
CM
= V
S
25
200
nA
Input Noise Voltage
0.1Hz to 10Hz
1.4
V
P-P
e
n
Input Noise Voltage Density
f = 10kHz
8.5
nV/
Hz
i
n
Input Noise Current Density
f = 10kHz
1
pA/
Hz
C
IN
Input Capacitance
2
pF
A
VOL
Large-Signal Voltage Gain
V
S
= 5V, V
O
= 0.5V to 4.5V, R
L
= 1k at V
S
/2
35
85
V/mV
V
S
= 5V, V
O
= 1V to 4V, R
L
= 100
at V
S
/2
3.5
8
V/mV
V
S
= 3V, V
O
= 0.5V to 2.5V, R
L
= 1k at V
S
/2
30
85
V/mV
CMRR
Common Mode Rejection Ratio
V
S
= 5V, V
CM
= 0V to 3.5V
85
105
dB
V
S
= 3V, V
CM
= 0V to 1.5V
78
97
dB
CMRR Match (Channel-to-Channel) (Note 9)
V
S
= 5V, V
CM
= 0V to 3.5V
79
105
dB
V
S
= 3V, V
CM
= 0V to 1.5V
72
97
dB
Input Common Mode Range
0
V
S
V
PSRR
Power Supply Rejection Ratio
V
S
= 2.5V to 10V, V
CM
= 0V
78
97
dB
PSRR Match (Channel-to-Channel) (Note 9)
V
S
= 2.5V to 10V, V
CM
= 0V
72
97
dB
Minimum Supply Voltage (Note 6)
2.3
2.5
V
V
OL
Output Voltage Swing Low (Note 7)
No Load
16
60
mV
I
SINK
= 5mA
85
200
mV
I
SINK
= 20mA
225
500
mV
V
OH
Output Voltage Swing High (Note 7)
No Load
18
60
mV
I
SOURCE
= 5mA
120
250
mV
I
SOURCE
= 20mA
450
800
mV
I
SC
Short-Circuit Current
V
S
= 5V
20
45
mA
V
S
= 3V
20
40
mA
I
S
Supply Current per Amplifier
1.6
2
mA
GBW
Gain Bandwidth Product
Frequency = 2MHz
40
80
MHz
SR
Slew Rate
V
S
= 5V, A
V
= 1, R
L
= 1k, V
O
= 4V
P-P
12.5
25
V/
s
FPBW
Full Power Bandwidth
V
S
= 5V, A
V
= 1, V
O
= 4V
P-P
2
MHz
HD
Harmonic Distortion
V
S
= 5V, A
V
= 1, R
L
= 1k, V
O
= 2V
P-P
, f
C
= 500kHz
75
dBc
t
S
Settling Time
0.01%, V
S
= 5V, V
STEP
= 2V, A
V
= 1, R
L
= 1k
250
ns
G
Differential Gain (NTSC)
V
S
= 5V, A
V
= 2, R
L
= 150
0.35
%
Differential Phase (NTSC)
V
S
= 5V, A
V
= 2, R
L
= 150
0.4
Deg
T
A
= 25
C, V
S
= 5V, 0V; V
S
= 3V, 0V; V
CM
= V
OUT
= half supply, unless otherwise noted.
ELECTRICAL CHARACTERISTICS
background image
4
LT1801/LT1802
18012fa
ELECTRICAL CHARACTERISTICS
The
q
denotes the specifications which apply over the temperature range of
0
C < T
A
< 70
C. V
S
= 5V, 0V; V
S
= 3V, 0V; V
CM
= V
OUT
= half supply, unless otherwise noted.
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V
OS
Input Offset Voltage
V
CM
= 0V
q
125
500
V
V
CM
= 0V (MS8)
q
140
650
V
V
CM
= 0V (DD)
q
290
950
V
V
CM
= V
S
q
0.6
3.5
mV
V
OS
Input Offset Shift
V
CM
= 0V to V
S
1.5V
q
30
275
V
Input Offset Voltage Match
V
CM
= 0V
q
200
850
V
(Channel-to-Channel) (Note 9)
V
CM
= 0V (MS8)
q
200
1250
V
V
CM
= 0V (DD)
q
275
1500
V
V
OS
TC
Input Offset Voltage Drift (Note 8)
q
1.5
5
V/
C
I
B
Input Bias Current
V
CM
= 1V
q
50
300
nA
V
CM
= V
S
0.2V
q
550
2000
nA
Input Bias Current Match
V
CM
= 1V
q
25
400
nA
(Channel-to-Channel) (Note 9)
V
CM
= V
S
0.2V
q
25
600
nA
I
OS
Input Offset Current
V
CM
= 1V
q
25
300
nA
V
CM
= V
S
0.2V
q
25
300
nA
A
VOL
Large-Signal Voltage Gain
V
S
= 5V, V
O
= 0.5V to 4.5V, R
L
= 1k at V
S
/2
q
25
75
V/mV
V
S
= 5V, V
O
= 1V to 4V, R
L
= 100
at V
S
/2
q
2.5
6
V/mV
V
S
= 3V, V
O
= 0.5V to 2.5V, R
L
= 1k at V
S
/2
q
20
75
V/mV
CMRR
Common Mode Rejection Ratio
V
S
= 5V, V
CM
= 0V to 3.5V
q
82
101
dB
V
S
= 3V, V
CM
= 0V to 1.5V
q
74
93
dB
CMRR Match (Channel-to-Channel) (Note 9)
V
S
= 5V, V
CM
= 0V to 3.5V
q
76
101
dB
V
S
= 3V, V
CM
= 0V to 1.5V
q
68
93
dB
Input Common Mode Range
q
0
V
S
V
PSRR
Power Supply Rejection Ratio
V
S
= 2.5V to 10V, V
CM
= 0V
q
74
91
dB
PSRR Match (Channel-to-Channel) (Note 9)
V
S
= 2.5V to 10V, V
CM
= 0V
q
68
91
dB
Minimum Supply Voltage (Note 6)
q
2.3
2.5
V
V
OL
Output Voltage Swing Low (Note 7)
No Load
q
18
80
mV
I
SINK
= 5mA
q
100
225
mV
I
SINK
= 20mA
q
300
600
mV
V
OH
Output Voltage Swing High (Note 7)
No Load
q
25
80
mV
I
SOURCE
= 5mA
q
150
300
mV
I
SOURCE
= 20mA
q
600
950
mV
I
SC
Short-Circuit Current
V
S
= 5V
q
20
40
mA
V
S
= 3V
q
15
30
mA
I
S
Supply Current per Amplifier
q
2
2.8
mA
GBW
Gain Bandwidth Product
Frequency = 2MHz
q
35
75
MHz
SR
Slew Rate
V
S
= 5V, A
V
= 1, R
L
= 1k, V
O
= 4V
P-P
q
11
22
V/
s
background image
5
LT1801/LT1802
18012fa
ELECTRICAL CHARACTERISTICS
The
q
denotes the specifications which apply over the temperature range of
40
C < T
A
< 85
C. V
S
= 5V, 0V; V
S
= 3V, 0V; V
CM
= V
OUT
= half supply, unless otherwise noted. (Note 5)
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V
OS
Input Offset Voltage
V
CM
= 0V
q
175
700
V
V
CM
= 0V (MS8)
q
200
850
V
V
CM
= 0V (DD)
q
320
1150
V
V
CM
= V
S
q
0.75
4
mV
V
OS
Input Offset Shift
V
CM
= 0V to V
S
1.5V
q
30
300
V
Input Offset Voltage Match
V
CM
= 0V
q
200
1250
V
(Channel-to-Channel) (Note 9)
V
CM
= 0V (MS8)
q
280
1600
V
V
CM
= 0V (DD)
q
320
1800
V
V
OS
TC
Input Offset Voltage Drift (Note 8)
q
1.5
5
V/
C
I
B
Input Bias Current
q
50
400
nA
V
CM
= V
S
0.2V
q
600
2250
nA
Input Bias Current Match
V
CM
= 1V
q
25
450
nA
(Channel-to-Channel) (Note 9)
V
CM
= V
S
0.2V
q
25
700
nA
I
OS
Input Offset Current
V
CM
= 1V
q
25
350
nA
V
CM
= V
S
0.2V
q
25
350
nA
A
VOL
Large-Signal Voltage Gain
V
S
= 5V, V
O
= 0.5V to 4.5V, R
L
= 1k at V
S
/2
q
20
65
V/mV
V
S
= 5V, V
O
= 1.5V to 3.5V, R
L
= 100
at V
S
/2
q
2
6
V/mV
V
S
= 3V, V
O
= 0.5V to 2.5V, R
L
= 1k at V
S
/2
q
17.5
65
V/mV
CMRR
Common Mode Rejection Ratio
V
S
= 5V, V
CM
= 0V to 3.5V
q
81
101
dB
V
S
= 3V, V
CM
= 0V to 1.5V
q
73
93
dB
CMRR Match (Channel-to-Channel) (Note 9)
V
S
= 5V, V
CM
= 0V to 3.5V
q
75
101
dB
V
S
= 3V, V
CM
= 0V to 1.5V
q
67
93
dB
Input Common Mode Range
q
0
V
S
V
PSRR
Power Supply Rejection Ratio
V
S
= 2.5V to 10V, V
CM
= 0V
q
73
90
dB
PSRR Match (Channel-to-Channel) (Note 9)
V
S
= 2.5V to 10V, V
CM
= 0V
q
67
90
dB
Minimum Supply Voltage (Note 6)
V
CM
= V
O
= 0.5V
q
2.3
2.5
V
V
OL
Output Voltage Swing Low (Note 7)
No Load
q
15
90
mV
I
SINK
= 5mA
q
105
250
mV
I
SINK
= 10mA
q
170
400
mV
V
OH
Output Voltage Swing High (Note 7)
No Load
q
25
90
mV
I
SOURCE
= 5mA
q
150
350
mV
I
SOURCE
= 10mA
q
300
700
mV
I
SC
Short-Circuit Current
V
S
= 5V
q
12.5
30
mA
V
S
= 3V
q
12.5
30
mA
I
S
Supply Current per Amplifier
q
2.1
3
mA
GBW
Gain Bandwidth Product
Frequency = 2MHz
q
25
70
MHz
SR
Slew Rate
V
S
= 5V, A
V
= 1, R
L
= 1k, V
O
= 4V
q
9
18
V/
s