LT1881(RevA) 查看數據表（PDF） - Linear Technology
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LT1881
(Rev.:RevA)
(Rev.:RevA)
Linear Technology
LT1881 Datasheet PDF : 16 Pages
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LT1881/LT1882
TYPICAL PERFOR A CE CHARACTERISTICS
LT1881 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)
1881/2 G18
LT1881 Input Bias Current vs
Common Mode Voltage
1000
800
VS = ±15V
600
400
200
0
200
400
600
800
1000
–20 –15 –10 –5 0 5
VCM (V)
10 15 20
1881/2 G21
LT1881 Input Common Mode
Voltage vs Temperature
5
4
3
2
1
0 VS = ±5V
–1
–2
–3
–4
–5
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
1881/2 G24
LT1881IS8 Voltage Offset vs
Temperature
200
150 VS = ±15V
100
50
0
–50
–100
–150
–200
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
1881/2 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)
1881/2 G20
LT1881 Input Bias Current vs
Temperature
150
VS = ±15V
100
+IBIAS
50
0
–IBIAS
–50
–100
–150
–40 –20
0 20 40 60 80
TEMPERATURE (°C)
1881/2 G22
LT1881 Input Common Mode
Range vs Supply Voltage
V+ – 0
V+ – 0.5 ΔVOS < 1mV
85°C
V+ – 1.0
V+ – 1.5
–40°C 25°C
V – + 1.5
–40°C 25°C
V – + 1.0
V – + 0.5
85°C
V– + 0
0 2 4 6 8 10 12 14 16
SUPPLY VOLTAGE (±V)
1881/2 G23
LT1881 Output Voltage Swing vs
Supply Voltage
V+ – 0
V+ – 0.5
RL = 10k
RL = 2k
V+ – 1.0
AV = –1
TA = 25°C
V – + 1.0
V – + 0.5
RL = 2k
RL = 10k
V– + 0
0 2 4 6 8 10 12 14 16 18 20
SUPPLY VOLTAGE (±V)
1881/2 G25
LT1881 Output Saturation Voltage
vs Load Current (Output High)
1
VS = ±15V
VOD = 30mV
TA = 85°C
TA = 25°C
0.1
TA = –40°C
0.01
0.001
0.01
0.1
1
10
SOURCING LOAD CURRENT (mA)
1881/2 G26
18812fa
9
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