LTC6910-3I View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC6910-3I' PDF : 24 Pages View PDF
LTC6910-1
LTC6910-2/LTC6910-3
TYPICAL PERFOR A CE CHARACTERISTICS (LTC6910-3)
LTC6910-3 Gain Shift
vs Temperature
0.02 VS = ± 2.5V
OUTPUT UNLOADED
0.01
GAIN = 7
0 GAIN = 4
GAIN = 1
–0.01
–0.02
–50
0
50
100
TEMPERATURE (°C)
150
6910 G19
LTC6910-3 Frequency Response
20
GAIN OF 7 GAIN OF 6
15
GAIN OF 5
10 GAIN OF 4
GAIN OF 3
5 GAIN OF 2
GAIN OF 1
0
–5
VS = ±5V
VIN = 10mVRMS
–10
100 1k 10k
100k
FREQUENCY (Hz)
1M 10M
6910 G20
LTC6910-3 –3dB Bandwidth
vs Gain Setting
8.0
7.0 •
6.0 •
VIN = 10mVRMS
• VS = 2.7V
• VS = ±5V
5.0
•
4.0
••
3.0
2.0
•
•
•
•
•
•
•
•
•
1.0
0
1
2
3 4 5 6 7 8 9 10
GAIN
6910 G21
LTC6910-3 Output Voltage Swing
vs Load Current
+VS
+VS – 0.5
+VS – 1.0
VS = ±2.5V
125°C
25°C
–40°C
+VS – 1.5
SOURCE
+VS – 2.0
–VS + 2.0
–VS + 1.5
–VS + 1.0
–VS + 0.5
SINK
–VS
0.01
0.1
1
10
OUTPUT CURRENT (mA)
100
6910 G22
LTC6910-3 Power Supply
Rejection vs Frequency
90
+SUPPLY
80
VS = ±2.5V
GAIN = 1
70
60
–SUPPLY
50
40
30
20
10
0
0.1
1
10
100
1000
FREQUENCY (kHz)
6910 G23
LTC6910-3 Noise Density
vs Frequency
100
INPUT-REFERRED
VS = ±2.5V
TA = 25°C
GAIN = 1
GAIN = 4
10
GAIN = 7
1
1
10
100
FREQUENCY (kHz)
6910 G24
LTC6910-3 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
0.1
GAIN = 7
GAIN = 4
–70
0.03
–80
GAIN = 1 0.01
–90
0.003
–100
0
50
100
150
FREQUENCY (kHz)
0.001
200
6910 G25
LTC6910-3 Distortion with Heavy
Loading (RL = 500Ω)
–30
3
–40
1
–50
0.3
GAIN = 7
GAIN = 4
–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 G26
LTC6910-3 THD + Noise
vs Input Voltage
–20
fIN = 1kHz
–30 VS = ±5V
NOISE BW = 22kHz
–40
GAIN SETTING = 7
–50
GAIN SETTING = 4
–60
–70
–80
–90
–100
–110
0.01
GAIN SETTING = 1
0.1
1
INPUT VOLTAGE (VP-P)
10
6910 G27
6910123fa
13
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