LTC6910-1ITS8 데이터 시트보기 (PDF) - Linear Technology
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LTC6910-1ITS8 Datasheet PDF : 24 Pages
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LTC6910-1
LTC6910-2/LTC6910-3
TYPICAL PERFOR A CE CHARACTERISTICS (LTC6910-1)
LTC6910-1 Gain Shift
vs Temperature
0.2 VS = ± 2.5V
OUTPUT UNLOADED
0.1
GAIN = 100
GAIN = 10
0
GAIN = 1
–0.1
–0.2
–50
0
50
100
TEMPERATURE (°C)
150
6910 G01
LTC6910-1 Frequency Response
50
GAIN OF 100
40
GAIN OF 50
VS = ±5V, VIN = 5mVRMS
30 GAIN OF 20
GAIN OF 10
20
GAIN OF 5
10 GAIN OF 2
GAIN OF 1
0
–10
100
1k 10k 100k 1M 10M
FREQUENCY (Hz)
6910 G02
LTC6910-1 –3dB Bandwidth
vs Gain Setting
8.0
7.5
7.0
•
6.5
6.0 •
5.5
5.0
•
4.5
4.0
•
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
1
VIN = 5mVRMS
• VS = 2.7V
• VS = ±5V
•
•
•• ••
10
GAIN
••
100
6910 G03
LTC6910-1 Output Voltage Swing
vs Load Current
+VS
+VS – 0.5
+VS – 1.0
VS = ±2.5V
125°C
25°C
–40°C
SOURCE
+VS – 1.5
+VS – 2.0
–VS + 2.0
–VS + 1.5
–VS + 1.0
–VS + 0.5
–VS
0.01
SINK
0.1
1
10
OUTPUT CURRENT (mA)
100
6910 G04
LTC6910-1 Power Supply
Rejection vs Frequency
90
VS = ±2.5V
80
GAIN = 1
70
+SUPPLY
60
–SUPPLY
50
40
30
20
10
0
0.1
1
10
100
1000
FREQUENCY (kHz)
6910 G05
LTC6910-1 Noise Density
vs Frequency
100
INPUT-REFERRED
VS = ±2.5V
TA = 25°C
GAIN = 1
GAIN = 10
10
GAIN = 100
1
1
10
100
FREQUENCY (kHz)
6910 G06
LTC6910-1 Distortion with Light
Loading (RL = 10k)
–30
3
VS = ±2.5V
–40
VOUT = 1VRMS (2.83VP-P)
THD MEASURES HD2 AND HD3
1
–50
0.3
–60
GAIN = 100
–70
GAIN = 10
–80
GAIN = 1
–90
0.1
0.03
0.01
0.003
–100
0
50
100
150
FREQUENCY (kHz)
0.001
200
6910 G07
LTC6910-1 Distortion with Heavy
Loading (RL = 500Ω)
–30
3
–40
GAIN = 100
1
–50
0.3
GAIN = 10
–60
0.1
–70
0.03
GAIN = 1
–80
0.01
–90 VS = ±2.5V
VOUT = 1VRMS (2.83VP-P)
THD MEASURES HD2 AND HD3
–100
0
50
100
150
FREQUENCY (kHz)
0.003
0.001
200
6910 G08
LTC6910-1 THD + Noise
vs Input Voltage
–20
fIN = 1kHz
–30
VS = ±5V
NOISE BW = 22kHz
–40
GAIN SETTING = 100
–50
–60
GAIN SETTING = 10
–70
–80
–90
–100
–110
0.01
GAIN SETTING = 1
0.1
1
INPUT VOLTAGE (VP-P)
10
6910 G09
6910123fa
11
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