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LT1990IS8-10#PBF
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P16
L
T1990-10
7
Rev 0
For more information
www.analog.com
TYPICAL PERFORMANCE CHARACTERISTICS
Supply Current
vs Supply Voltage
Supply Current
vs T
emperature
Output Voltage Swing
vs Load Current (Source)
Output Voltage Swing
vs Input Voltage (Low)
Output Voltage Swing
vs Supply Voltage (High)
Output Voltage Swing vs Supply
Voltage (Low)
Output Voltage Swing
vs Input Voltage (High)
Output Short-Circuit Current
vs Supply Voltage
SUPPLY CURRENT (µA)
0
50
100
150
200
250
300
1990 G01
SUPPLY VOLTAGE (V)
0
40
10
20
30
5
15
25
35
T
A
= –55°C
T
A
= –40°C
T
A
= 25°C
T
A
= 85°C
T
A
= 125°C
V
REF
= V
OUT
= 1.25V
V
–
= 0V
TEMPERATURE (°C)
–50
–25
SUPPLY CURRENT (µA)
100
75
1990 G02
0
25
50
125
0
50
100
150
200
250
300
V
S
= 5V, 0V
OUTPUT CURRENT (mA)
0.001
0.01
0.1
1
10
100
OUTPUT VOLTAGE SWING
WITH RESPECT TO V
+
(V)
1990 G03
T
A
= –55°C
T
A
= 25°C
T
A
= 125°C
V
S
= ±2.5V
–IN = 0V
+IN = 2.5V
–
10
–
1
–
0.1
–
0.01
OUTPUT CURRENT (mA)
100
10
1
0.1
0.01
0.001
1990 G04
10
1
0.1
0.01
OUTPUT VOLTAGE SWING
WITH RESPECT TO V
–
(V)
T
A
= –55°C
T
A
= 25°C
T
A
= 125°C
V
S
= ±2.5V
–IN = 0V
+IN = –2.5V
Output Voltage Swing
vs Load Current (Sink)
DIFFERENTIAL INPUT VOLTAGE (±V)
0
0.2
0.1
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1990 G05
–
10
–
1
–0.1
–0.01
OUTPUT VOLTAGE SWING
WITH RESPECT TO V
+
(V)
T
A
= –55°C
T
A
= 25°C
T
A
= 125°C
V
S
= ±2.5V
NO LOAD
1990 G06
DIFFERENTIAL INPUT VOLTAGE (±V)
0
0.01
0.1
1
10
OUTPUT VOLTAGE SWING
WITH RESPECT TO V– (V)
0.9
0.8
0.2
0.1
0.3
0.6
0.7
0.4
0.5
1.0
T
A
= –55°C
T
A
= 25°C
T
A
= 125°C
V
S
= ±2.5V
NO LOAD
SUPPLY VOLTAGE (±V)
OUTPUT VOLTAGE SWING
WITH RESPECT TO V
+
(V)
1990 G07
0
2
4
6
8
10
12
14
16
V
IN
+
= V
+
/10
V
IN
+
= 2V
T
A
= 25°C
V
IN
–
= 0V
NO LOAD
–1
–0.1
–0.01
SUPPLY VOLTAGE (±V)
0
0.01
0.1
1
OUTPUT VOLTAGE SWING
WITH RESPECT TO V
–
(V)
8
12
1990 G08
4
2
6
10
14
16
V
IN
+
= V
–
/10
V
IN
+
= –2V
T
A
= 25°C
V
IN
–
= 0V
NO LOAD
SOURCE
SINK
T
A
= –55°C
T
A
= –55°C
T
A
= 125°C
T
A
= 125°C
T
A
= 25°C
T
A
= 25°C
SUPPL
Y VOL
T
AGE (±V)
0
2
4
6
8
10
12
14
16
–30
–25
–20
–15
–10
–5
0
5
10
15
20
OUTPUT SHOR
T
-CIRCUIT CURRENT (mA)
199010 G09
L
T1990-10
8
Rev 0
For more information
www.analog.com
TYPICAL PERFORMANCE CHARACTERISTICS
Input Voltage Range
vs Single Supply Voltage
Input Voltage Range
vs Split Supply Voltage
Common Mode Rejection Ratio
vs Frequency
Gain vs Frequency
Slew Rate vs T
emperature
Output Impedance vs Frequency
Power Supply Rejection Ratio
vs Frequency
–3dB Bandwidth
vs Supply Voltage
Slew Rate vs Supply Voltage
POSITIVE SUPPLY VOLTAGE (V)
MAXIMUM INPUT VOLTAGE (V)
250
200
150
100
50
0
–
50
–
100
1990 G10
3
5
7
9
11
13
15
V
–
= 0V
T
A
= –
40°C TO 85°C
V
REF
= 1.25V
V
REF
= 1.25V
V
REF
= 4V
V
REF
= 4V
V
REF
= 2.5V
V
REF
= 2.5V
SUPPLY VOLTAGE (V)
1
MAXIMUM INPUT VOLTAGE (V)
300
200
100
0
–
100
–
200
–
300
7
11
1990 G11
3
5
9
13
15
V
REF
= 0V
T
A
= –
40°C TO 85°C
FREQUENCY(Hz)
100
10
0
20
30
40
50
60
70
80
90
100
COMMON MODE REJECTION RATIO (dB)
1k
1M
1990 G12
10k
100k
V
S
= 5V, 0V
T
A
= 25°C
REFERRED TO INPUT
GAIN (dB)
1990 G13
FREQUENCY (Hz)
100
–60
–50
–40
–30
–20
–10
0
10
20
30
40
1k
100k
10k
1M
10M
V
S
= 5V, 0V
T
A
= 25°C
FREQUENCY (kHz)
60
70
80
90
100
110
120
130
140
150
160
1990 G14
SUPPLY VOLTAGE (±V)
0
16
4
8
12
2
6
10
14
T
A
= 25°V
V
OUT
= HALF SUPPLY
NO LOAD
T
A
= –55°C
T
A
= –40°C
T
A
= 25°C
T
A
= 85°C
T
A
= 125°C
SUPPLY VOLTAGE (±V)
SLEW RATE (V/µS)
1990 G15
0
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
6
4
2
8
10
12
14
16
–SR
+SR
T
A
= 25°C
NO LOAD
TEMPERATURE (°C)
SLEW RATE (V/µS)
1990 G16
–50
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.2
2.4
0
–25
25
50
75
100
125
–SR
+SR
V
S
= ±15V
T
A
= 25°C
FREQUENCY (Hz)
OUTPUT IMPEDANCE (Ω)
1990 G17
100
1
10
100
1k
1k
10k
100k
1M
NO LOAD
R
L
= 10k
V
S
= 5V, 0V
T
A
= 25°C
FREQUENCY (Hz)
POWER SUPPL
Y REJECTION RA
TIO (dB)
1990 G18
100
0
30
20
10
90
80
70
60
50
40
100
1k
10k
100k
1M
POSITIVE SUPPL
Y
NEGA
TIVE SUPPL
Y
V
S
= 5V, 0V
T
A
= 25°C
REFERRED TO INPUT
L
T1990-10
9
Rev 0
For more information
www.analog.com
TYPICAL PERFORMANCE CHARACTERISTICS
Settling Time vs Output Step
Warm–up Drift
Voltage Noise Density
vs Frequency
Overshoot vs Capacitive Load
Small Signal T
ransient Response
0.1Hz to 10Hz Noise Voltage
Instability with
Output Saturated to V
+
0.01Hz to 1Hz Noise Voltage
Small Signal T
ransient Response
TIME AF
TER POWER–UP (S)
CHANGE IN OFFSET VOL
TAGE (µ
V)
1990 G19
0
–30
30
20
10
0
–10
–20
40
10
40
30
20
50
60
V
S
= ±15V
T
A
= 25°C
REFERRED TO INPUT
OUTPUT STEP (V)
SET
TLING TIME (µS)
1990 G20
–10
5
10
15
20
25
30
–6
–8
–4
4
2
0
–2
6
8
10
V
S
= ±15V
R
L
= 10k
0.01% OF
STEP
0.01% OF
STEP
0.1% OF
STEP
0.1% OF
STEP
FREQUENCY (Hz)
VOL
T
AGE NOISE DENSIT
Y (nV/√
Hz
)
1990 G21
1
100
1000
10000
10
100
1k
10k
V
S
= ±1.5V TO ±15V
T
A
= 25°C
REFERRED TO INPUT
TIME (S)
NOISE VOL
T
AGE (10µV
/DIV)
1990 G22
0
5
4
3
2
1
8
7
6
9
10
V
S
= ±1.5V TO ±15V
T
A
= 25°C
REFERRED TO INPUT
V
S
= ±1.5V TO ±15V
T
A
= 25°C
REFERRED TO INPUT
TIME (S)
0
10
20
30
40
50
60
70
80
90
100
NOISE VOL
T
AGE (10µV
/DIV)
199010 G23
CAP
ACITIVE LOAD (pF)
10
OVERSHOOT (%)
60
50
40
30
20
10
0
100
1990 G24
1000
10000
V
S
= 3V
, 0V
V
S
= ±15V
V
OUT
= ±50mV
R
L
= 10k
CAP
ACITIVE LOAD (pF)
0
200
400
600
800
1000
1200
1400
1990 G25
SUPPLY VOLTAGE (V)
0
30
10
20
5
15
25
I
LOAD
= 5mA
I
LOAD
= 4mA
I
LOAD
= 3mA
I
LOAD
= 2mA
I
LOAD
= 1mA
STABLE
STABLE
UNSTABLE
STABLE
50µs/DIV
50mV/DIV
1990 G26
V
S
= 3V, 0V
R
L
= 10k
V
REF
= 1.5V
V
S
= ±15V
R
L
=10k
V
REF
=GND
50µs/DIV
50mV/DIV
199010 G27
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P16
LT1990IS8-10#PBF
Mfr. #:
Buy LT1990IS8-10#PBF
Manufacturer:
Analog Devices / Linear Technology
Description:
Differential Amplifiers +/-250V Difference Amplifier
Lifecycle:
New from this manufacturer.
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