Datasheet

LT1782
9
1782fc
TYPICAL PERFORMANCE CHARACTERISTICS
Gain Bandwidth Product
vs Temperature Slew Rate vs Temperature
Gain Bandwidth Product and
Phase Margin vs Supply Voltage
Gain Bandwidth Product and
Phase Margin vs Load Resistance PSRR vs Frequency CMRR vs Frequency
Noise Voltage Density
vs Frequency Input Noise Current vs Frequency
Gain and Phase Shift
vs Frequency
FREQUENCY (Hz)
INPUT NOISE VOLTAGE DENSITY (nV/√Hz)
80
70
60
50
40
30
20
1 100 1k 10k
1782 G10
10
FREQUENCY (Hz)
INPUT NOISE CURRENT DENSITY (pA/√Hz)
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
1 100 1k 10k
1782 G11
10
V
S
= ±2.5V
FREQUENCY (Hz)
1k
GAIN (dB)
70
60
50
40
30
20
10
0
–10
–20
–30
PHASE SHIFT (DEG)
100
80
60
40
20
0
–20
–40
–60
–80
–100
10k 100k 1M
1782 G12
V
S
= ±2.5V
PHASE
GAIN
TEMPERATURE (°C)
–50 –25 0 25 50 75 100 125
GAIN BANDWIDTH (kHz)
1782 G13
230
220
210
200
190
180
170
f = 5kHz
V
S
= ±2.5V
TEMPERATURE (°C)
–50 –25 0 25 50 75 100 125
SLEW RATE (V/µs)
1782 G14
0.11
0.10
0.09
0.08
0.07
0.06
0.05
0.04
V
S
= ±2.5V
RISING
FALLING
TOTAL SUPPLY VOLTAGE (V)
0
2 4 6 8 10 12 14 16 18
GAIN BAINDWIDTH PRODUCT (kHz)
PHASE MARGIN (DEG)
1782 G15
240
220
200
180
160
60
55
50
A
V
= –1
R
F
= R
G
= 10k
f = 5kHz
PHASE MARGIN
GAIN BANDWIDTH PRODUCT
LOAD RESISTANCE (Ω)
1k
GAIN BANDWIDTH PRODUCT (kHz)
250
200
150
100
50
PHASE MARGIN (DEG)
70
60
50
10k 100k
1782 G16
V
S
= ±2.5V
A
V
= –1
R
F
= R
G
= 10k
f = 5kHz
PHASE MARGIN
GAIN BANDWIDTH PRODUCT
FREQUENCY (Hz)
1k
POWER SUPPLY REJECTION RATIO (dB)
90
80
70
60
50
40
30
20
10
0
–10
10k 100k 1M
1782 G17
V
S
= ±2.5V
POSITIVE SUPPLY
NEGATIVE SUPPLY
FREQUENCY (Hz)
1k
COMMON MODE REJECTION RATIO (dB)
110
100
90
80
70
60
50
40
30
10k 100k
1782 G18
V
S
= ±2.5V