LT1678IS8 Просмотр технического описания (PDF) - Linear Technology
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LT1678IS8 Datasheet PDF : 16 Pages
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LT1678/LT1679
TYPICAL PERFOR A CE CHARACTERISTICS
Settling Time vs Output
Step (Inverting)
6
VS = ±15V
5k
AV = –1
5 TA = 25°C
5k
VIN
–
+
VOUT
4
3
0.01% OF
FULL SCALE
0.01% OF
FULL SCALE
2
0.1% OF
1 FULL SCALE
0.1% OF
FULL SCALE
0
–10 –8 –6 –4 –2 0 2 4 6 8 10
OUTPUT STEP (V)
16789 G22
Settling Time vs Output
Step (Noninverting)
6
VS = ±15V
AV = 1
5 TA = 25°C
2k
–
2k
VIN
+
4
0.01% OF
FULL SCALE
3
0.01% OF
FULL SCALE
VOUT
RL = 1k
2
0.1% OF
1 FULL SCALE
0.1% OF
FULL SCALE
0
–10 –8 –6 –4 –2 0 2 4
OUTPUT STEP (V)
6 8 10
16789 G23
Gain, Phase Shift vs Frequency
50
100
VS = ±15V
PHASE
VCM = 0V
40
TA = –55°C
CL = 10pF
TA = 25°C
80
30
TA = 125°C 60
20
TA = 125°C
10
TA = 25°C
GAIN
0
–10
0.1
TA = –55°C
1
10
FREQUENCY (MHz)
40
20
0
–20
100
16789 G24
Gain, Phase Shift vs Frequency
50
100
VS = ±15V
VCM = 14.7V
40
CL = 10pF 80
PHASE TA = –55°C
30
TA = 25°C 60
TA = 125°C
20
40
TA = –55°C
10 TA = 125°C GAIN
20
0 TA = 25°C
0
–10
0.1
1
10
FREQUENCY (MHz)
–20
100
16789 G25
Gain, Phase Shift vs Frequency
50
100
VS = ±15V
VCM = –14V
40
CL = 10pF 80
30
20
10
TA = 25°C
0
60
PHASE
TA = –55°C
40
TA = 125°C
GAIN
20
TA = 25°C
0
TA = –55°C
–10
0.1
1
10
FREQUENCY (MHz)
–20
100
16789 G26
Output Voltage Swing vs
Load Current
+VS 0 VS = ±15V
–0.1
TA = –55°C
–0.2
TA = 125°C
–0.3
TA = 25°C
0.8
0.7
0.6
TA = 125°C
0.5
0.4
TA = 25°C
0.3
0.2
0.1
TA = –55°C
–VS 0
–10 –8 –6 –4 –2 0 2 4 6 8 10
OUTPUT CURRENT (mA)
16789 G27
Closed-Loop Output
Impedance vs Frequency
100
VS = ±15V
10
1
AV = 100
Total Harmonic Distortion and
Noise vs Frequency for
Noninverting Gain
0.1
ZL = 2k/15pF
VS = ±15V
VO = 20VP-P
AV = 1, 10, 100
MEASUREMENT BANDWIDTH
0.01 = 10Hz TO 80kHz
AV = 100
Total Harmonic Distortion and
Noise vs Frequency for
Noninverting Gain
0.1
ZL = 2k/15pF
VS = ±15V
VO = 20VP-P
AV = –1, –10, –100
MEASUREMENT BANDWIDTH
0.01 = 10Hz TO 80kHz
AV = –100
0.1
AV = 1
0.01
0.001
10
100
1k
10k 100k 1M
FREQUENCY (Hz)
16789 G28
10
0.001
AV = 10
AV = 1
0.0001
20
100
1k
FREQUENCY (Hz)
10k 50k
16789 G29
0.001
AV = –10
AV = –1
0.0001
20
100
1k
10k 50k
FREQUENCY (Hz)
16789 G30
sn16789 16789fs
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