LT1881 查看數據表（PDF） - Linear Technology
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LT1881 Datasheet PDF : 18 Pages
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LT1881/LT1882
TYPICAL PERFORMANCE CHARACTERISTICS
VOS Distribution, TA = 25°C
26
24 VS = ±15V
22 40 N8 (1 LOT)
20 144 S8 (2 LOTS)
18 184 TOTAL PARTS
16
14
12
10
8
6
4
2
0
–60 –40 –20 0 20 40 60
OUTPUT OFFSET VOLTAGE (μV)
18812 G18
Voltage Offset vs Temperature
200
VS = ±15V
150
100
50
0
–50
–100
–150
–200
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
18812 G19
Warm-Up Drift vs Time
5
0
N8 VS = 5V
–5
–10
–15
N8 VS = ±15V
–20
S8 VS = 5V, ±15V
–25
–30
0
20 40 60 80 100 120 140
TIME AFTER POWER UP (s)
18812 G20
Input Bias Current
vs Common Mode Voltage
1000
VS = ±15V
800
600
400
200
0
200
400
600
800
1000
–20 –15 –10 –5 0 5 10
VCM (V)
15 20
18812 G21
Input Bias Current vs Temperature
1400
VS = ±15V
1200
1000
800
600
400
–IBIAS
200
+IBIAS
0
–200
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
18812 G22
Input Common Mode Range
vs Supply Voltage
V+ – 0
V+ – 0.2 $VOS ≤ 1mV
V+ – 0.4
V+ – 0.6
V+ – 0.8
V– + 0.8
V– + 0.6
V– + 0.4
V– + 0.2
–55°C
–40°C
85°C
125°C
V– + 0
25°C
0 2 4 6 8 10 12 14 16
SUPPLY VOLTAGE (±V)
18812 G23
Input Common Mode Range
vs Temperature
5
4 UPPER LIMIT
3
2
VS = ±5V
$VOS < 1mV
1
0
–1
–2
–3
–4 LOWER LIMIT
–5
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
18812 G24
Output Voltage Swing
vs Supply Voltage
V+ – 0
V+ – 0.5
V+ – 1.0
RL = 10k
RL = 2k
V– + 1.0
V– + 0.5
V– + 0
0
AV = –1
TA = 25°C
RL = 2k
RL = 10k
2 4 6 8 10 12 14 16 18 20
SUPPLY VOLTAGE (±V)
18812 G25
Output Saturation Voltage
vs Load Current (Output High)
1
VS = ±15V
VOVERDRIVE = 30mV
0.1
0.01
0.001
TA = –55°C
TA = –40°C
TA = 25°C
TA = 85°C
TA = 125°C
0.01
0.1
1
10
SOURCING LOAD CURRENT (mA)
18812 G26
18812fb
10
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