LT1498CS8 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
LT1498CS8
Linear Technology
'LT1498CS8' PDF : 16 Pages View PDF
LT1498/LT1499
TYPICAL PERFORMANCE CHARACTERISTICS
Minimum Supply Voltage
300
250
200
150
100
TA = 85°C TA = 70°C
50
TA = 25°C
NONFUNCTIONAL
TA = –55°C
0
1
2
3
4
5
TOTAL SUPPLY VOLTAGE (V)
14989 G10
0.1Hz to 10Hz
Output Voltage Noise
VS = p2.5V
VCM = 0V
0
10
TIME (1s/DIV)
14989 G11
Noise Voltage Spectrum
200
VS = 5V, 0V
180
160
140
120
100
VCM = 2.5V
PNP ACTIVE
80
60
VCM = 4V
NPN ACTIVE
40
20
0
1
10
100
FREQUENCY (Hz)
1000
14989 G12
Noise Current Spectrum
10
VS = 5V, 0V
9
8
7
6
5
4
3
VCM = 4V
NPN ACTIVE
2
1 VCM = 2.5V
PNP ACTIVE
0
1
10
100
FREQUENCY (Hz)
1000
14989 G13
Gain and Phase vs Frequency
70
180
RL = 10k
60
VS = p1.5V 144
50
VS = p15V 108
40
72
PHASE
30
36
20
0
GAIN
10
–36
0
–72
–10
–108
–20
–144
–30
0.01
0.1
1
10
FREQUENCY (MHz)
–180
100
14989 G14
PSRR vs Frequency
90
80
VS = p2.5V
70
60
50
NEGATIVE SUPPLY
40
POSITIVE SUPPLY
30
20
10
0
–10
1
10
100
1000
FREQUENCY (kHz)
10000
14989 G16
Gain Bandwidth and Phase
Margin vs Supply Voltage
20
100
18
90
16
80
14
PHASE MARGIN
70
12
60
10
50
GAIN BANDWIDTH
8
40
6
30
4
20
2
10
0
0
0 5 10 15 20 25 30
TOTAL SUPPLY VOLTAGE (V)
14989 G17
14
CMRR vs Frequency
120
110
100
90
80
70
VS = p15V
VS = p2.5V
60
50
40
30
20
1
10
100
1000
FREQUENCY (kHz)
10000
14989 G15
Channel Separation vs Frequency
–50
–60
VS = p15V
VOUT = p1VP-P
–70 RL = 2k
–80
–90
–100
–110
–120
–130
–140
–150
0.01
0.1
1
10 100 1000
FREQUENCY (kHz)
14989 G18
14989fg
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