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LTC1821 Scheda tecnica(PDF) 6 Page - Linear Technology

Il numero della parte LTC1821
Spiegazioni elettronici  16-Bit, Ultra Precise, Fast Settling VOUT DAC
PDF  16 Pages
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Produttore elettronici  LINER [Linear Technology]
Homepage  http://www.linear.com
Logo LINER - Linear Technology

LTC1821 Scheda tecnica(HTML) 6 Page - Linear Technology

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LTC1821
TYPICAL PERFOR A CE CHARACTERISTICS
SUPPLY VOLTAGE (V)
–1.0
– 0.8
– 0.4
– 0.2
0
1.0
0.4
2
4
5
1821 G16
– 0.6
0.6
0.8
0.2
3
6
7
VREF = 10V
VREF = 2.5V
VREF = 10V
VREF = 2.5V
SUPPLY VOLTAGE (V)
–1.0
– 0.8
– 0.4
– 0.2
0
1.0
0.4
2
4
5
1821 G17
– 0.6
0.6
0.8
0.2
3
6
7
VREF = 10V
VREF = 10V
VREF = 2.5V
VREF = 2.5V
Differential Nonlinearity vs VCC
Supply Voltage in Unipolar Mode
Differential Nonlinearity vs VCC
Supply Voltage in Bipolar Mode
Unipolar Multiplying Mode Frequency
Response vs Digital Code
Bipolar Multiplying Mode Frequency
Response vs Digital Code
Bipolar Multiplying Mode Frequency
Response vs Digital Code
FREQUENCY (Hz)
– 100
– 120
–80
–40
0
100
10k
100k
10M
1821 G18
1k
1M
–20
–60
D15 ON
D14 ON
D13 ON
D12 ON
ALL BITS ON
D9 ON
D1 ON
D0 ON
D11 ON
D10 ON
D8 ON
D7 ON
D6 ON
D5 ON
D4 ON
D3 ON
D2 ON
ALL BITS OFF
30pF
8 9 10 11
14
13
116 17
12
LTC1821
VOUT
VREF
FREQUENCY (Hz)
– 100
–80
–40
0
10
*DAC ZERO VOLTAGE OUTPUT LIMITED BY BIPOLAR
ZERO ERROR TO – 96dB TYPICAL (–78dB MAX, A GRADE)
1k
10k
10M
1M
1821 G19
100
100k
–20
–60
D15 AND D14 ON
D15 AND D13 ON
D15 AND D12 ON
D15 AND D11 ON
D15 AND D10 ON
D15 AND D9 ON
D15 AND D8 ON
D15 AND D7 ON
D15 AND D6 ON
D15 AND D5 ON
D15 AND D4 ON
D15 AND D3 ON
D15 AND D2 ON
ALL BITS ON
D15 ON
*
D15 AND D0 ON
D15 AND D1 ON
CODES FROM
MIDSCALE
TO FULL SCALE
15pF
12pF
+
12pF
VREF
VOUT
8
9
10
11
14
13
17
16
1
12
LT1468
LTC1821
2
3
6
FREQUENCY (Hz)
– 100
–80
–40
0
10
1k
10k
10M
1M
1821 G20
100
100k
–20
–60
D14 ON
D14 AND D13 ON
D14 TO D12 ON
D14 TO D11 ON
D14 TO D10 ON
D14 TO D9 ON
D14 TO D8 ON
D14 TO D7 ON
D14 TO D6 ON
D14 TO D5 ON
D14 TO D4 ON
D14 TO D3 ON
D14 TO D2 ON
D14 TO D1 ON
ALL BITS OFF
*DAC ZERO VOLTAGE OUTPUT LIMITED BY BIPOLAR
ZERO ERROR TO – 96dB TYPICAL (–78dB MAX, A GRADE)
D14 TO D0 ON
D15 ON
*
CODES FROM
MIDSCALE
TO ZERO SCALE
15pF
12pF
+
12pF
VREF
VOUT
8
9
10
11
14
13
17
16
1
12
LT1468
LTC1821
2
3
6



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