LM185-2.5/
LM285-2.5/LM385-2.5
TYPICAL PERFOR A CE CHARACTERISTICS
Reverse Characteristics
100
–55°C TO 125°C
1.6
T
A
= 25°C
1.2
REFERENCE VOLTAGE (V)
REVERSE CURRENT (µA)
10
FORWARD VOLTAGE (V)
1
0.1
0
0.5
1.0
1.5
2.0
REVERSE VOLTAGE (V)
2.5
3.0
Reverse Dynamic Impedance
1000
f = 25Hz
–55°C TO 125°C
DYNAMIC IMPEDANCE (Ω)
100
DYNAMIC IMPEDANCE (Ω)
100
NOISE (nV/√Hz)
10
1
0.1
0.01
0.1
1
10
REVERSE CURRENT (mA)
Filtered Output Noise
120
100mA
INTEGRATED NOISE (µV
RMS
)
100
80
60
40
R
C
VOLTAGE (V)
RC LOW PASS
20
0
100
1k
10k
CUTOFF FREQUENCY (Hz)
LM185-2.5 • TPC07
U W
LM185-2.5 • TPC01
LM185-2.5 • TPC05
Forward Characteristics
2.525
2.520
2.515
2.510
2.505
2.500
2.495
2.490
2.485
0
0.01
0.1
1
10
FORWARD CURRENT (mA)
100
Temperature Drift
0.8
0.4
2.480
–55 –35 –15
5 25 45 65 85 105 125
TEMPERATURE (°C)
LM185-2.5 • TPC03
LM185-2.5 • TPC02
Reverse Dynamic Impedance
10k
T
A
= 25°C
I
R
= 100µA
1k
Noise Voltage
1400
1200
1000
800
600
400
10
1
200
0
10
100
10k
1k
FREQUENCY (Hz)
100k
1M
100
0.1
10
100
1k
10k
FREQUENCY (Hz)
100k
LM185-2.5 • TPC05
LM185-2.5M • TPC06
Response Time
4.0
3.0
2.0
1.0
0
5V
INPUT
100k
V
IN
OUTPUT
24k
V
OUT
0
0
100
TIME (µS)
LM185-2.5 • TPC08
500
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of circuits as described herein will not infringe on existing patent rights.
3
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