LTC1858I Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Fabricante
LTC1858I Datasheet PDF : 22 Pages
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LTC1857/LTC1858/LTC1859
TYPICAL PERFORMANCE CHARACTERISTICS
LTC1859 Typical INL Curve
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
–32768 –16384
0
CODE
16384 32767
1859 G01
LTC1859 SINAD
vs Input Frequency
90
88
86
84
82
80
78
76
74
1
10
INPUT FREQUENCY (kHz)
100
1859 G04
LTC1859 Typical DNL Curve
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
–32768 –16384
0
CODE
16384 32767
1859 G02
LTC1859 Total Harmonic
Distortion vs Input Frequency
–70
–80
–90
–100
–110
1
10
INPUT FREQUENCY (kHz)
100
1859 G05
LTC1859 Nonaveraged
4096-Point FFT Plot
0
–10
fSAMPLE = 100kHz
fIN = 1kHz
–20
SINAD = 86.95dB
–30
THD = –101.42dB
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
0
5 10 15 20 25 30 35 40 45 50
FREQUENCY (kHz)
1869 G03
LTC1859 Channel-to-Channel
Offset Error Matching vs
Temperature
1.0
0.5
BIPOLAR MODE
0
UNIPOLAR MODE
–0.5
–1.0
–50 –25 0
25 50
TEMPERATURE (°C)
75 100
1959 G06
LTC1859 Channel-to-Channel Gain
Error Matching vs Temperature
1.0
0.5
UNIPOLAR MODE
0
BIPOLAR MODE
–0.5
–1.0
–50 –25 0
25 50
TEMPERATURE (°C)
75 100
1959 G07
Internal Reference Voltage
vs Temperature
2.520
2.515
2.510
2.505
2.500
2.495
2.490
2.485
2.480
–50 –25 0
25 50 75 100
TEMPERATURE (°C)
1859 G08
Change in REFCOMP Voltage
vs Load Current
0.04
0.02
0
–0.02
–0.04
–50
–40 –30 –20 –10
LOAD CURRENT (mA)
0 10
1859 G09
185789fb
6
For more information www.linear.com/LTC1857
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