LT1008CH Linear Technology, LT1008CH Datasheet - Page 16

• Manufacturer Part Number: LT1008CH
• Description: IC PREC OPAMP UNIVERSAL TO-5-8
• Manufacturer: Linear Technology

Specifications of LT1008CH

• Amplifier Type: General Purpose
• Number Of Circuits: 1
• Slew Rate: 0.2 V/µs
• Current - Input Bias: 30pA
• Voltage - Input Offset: 30µV
• Current - Supply: 380µA
• Voltage - Supply, Single/dual (±): ±2 V ~ 18 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Through Hole
• Package / Case: TO-5-8
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Output Type: -
• Current - Output / Channel: -
• -3db Bandwidth: -
• Gain Bandwidth Product: -

LT1008
Ammeter measures currents from 100pA to 100μA with-
out the use of expensive high value resistors. Accuracy at
RELATED PARTS
16
TYPICAL APPLICATIO
PART NUMBER
LT1012
LT1112
LT1880
LT1881/LT1882
LT1884/LT1885
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
DESCRIPTION
Picoamp Input Current, Microvolt Offset, Low Noise Op Amp
Dual Low Power, Precision, Picoamp Input Op Amp
SOT-23, Rail-to-Rail Output, Picoamp Input Current Precision Op Amp
Dual and Quad Rail-to-Rail Output, Picoamp Input Precision Op Amps
Dual and Quad Rail-to-Rail Output, Picoamp Input Precision Op Amps
●
FAX: [phone]
CURRENT
INPUT
Q1 TO Q4: RCA CA3146 TRANSISTOR ARRAY
CALIBRATION: ADJUST R1 FOR FULL SCALE
DEFLECTION WITH 1μA INPUT CURRENT
U
10k
●
www.linear.com
2
3
–
+
0.01μF
LT1008
1
Ammeter with Six Decade Range
15V
8
7
–15V
4
6
CA3146
PIN 13
33k
Q4
Q1
100μA is limited by the offset voltage between Q1 and Q2
and at 100pA by the inverting bias current of the LT1008.
Q2
100μA
METER
RANGE 1nA
100μA
100pA
100nA
10nA
10μA
1μA
Q3
1.2k
549Ω
549Ω
549Ω
549Ω
549Ω
549Ω
R1
2k
COMMENTS
Internally Compensated LT1008
Dual LT1012
Single SOT-23 Version of LT1884
Dual/Quad C
Dual/Quad Faster LT1881/LT1882
1008 TA11
LT1004C-1.2
10k
© LINEAR TECHNOLOGY CORPORATION 1991
LOAD
15V
LT 0607 REV B • PRINTED IN THE USA
Stable
1008fb