LTC1591-1IG-PBF Просмотр технического описания (PDF) - Linear Technology
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LTC1591-1IG-PBF
Linear Technology
LTC1591-1IG-PBF Datasheet PDF : 24 Pages
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LTC1591/LTC1597
TYPICAL PERFORMANCE CHARACTERISTICS (LTC1597)
Differential Nonlinearity vs
Supply Voltage in Bipolar Mode
1.0
0.8
0.6
0.4
0.2
0 VREF = 2.5V
–0.2
–0.4
VREF = 2.5V
VREF = 10V
VREF = 10V
–0.6
–0.8
–1.0
2
3
4
5
6
7
SUPPLY VOLTAGE (V)
1597 G10
Unipolar Multiplying Mode Frequency
Response vs Digital Code
0 ALL BITS ON
D13 ON
D12 ON
–20 D11 ON
D10 ON
D9 ON
–40 D8 ON
D7 ON
D6 ON
–60
D5 ON
D4 ON
D3 ON
–80
D2 ON
D1 ON
D0 ON
–100
ALL BITS OFF
–120
100
1k
10k 100k 1M 10M
FREQUENCY (Hz)
1591G11
VREF
30pF
3 2 1 4 56
–
LTC1591
7
22
LT1468
+
VOUT
Bipolar Multiplying Mode Frequency
Response vs Digital Code
0 ALL BITS ON
D15 AND D14 ON
–20 D15 AND D13 ON
D15 AND D12 ON
D15 AND D11 ON
–40 D15 AND D10 ON
D15 AND D9 ON
D15 AND D8 ON
–60 D15 AND D7 ON
D15 AND D6 ON
–80
D15 AND D5 ON
D15 AND D4 ON
D15 AND D3 ON
D15 AND D2 ON
CODES FROM
MIDSCALE
TO FULL SCALE
D15 AND D1 ON
D15 AND D0 ON
–100
D15 ON*
10 100 1k 10k 100k 1M 10M
FREQUENCY (Hz)
1597 G12
*DAC ZERO VOLTAGE OUTPUT LIMITED BY BIPOLAR
ZERO ERROR TO –96dB TYPICAL (–78dB MAX, A GRADE)
VREF
+
LT1468
–
12pF
12pF
32
14 5 6
LTC1597
7
22
VOUT
15pF
–
LT1468
+
Bipolar Multiplying Mode Frequency
Response vs Digital Code
0 ALL BITS OFF
D14 ON
–20 D14 AND D13 ON
D14 TO D12 ON
D14 TO D11 ON
–40
D14 TO D10 ON
D14 TO D9 ON
D14 TO D8 ON
D14 TO D7 ON
–60 D14 TO D6 ON
D14 TO D5 ON
D14 TO D4 ON
–80
D14 TO D3 ON
D14 TO D2 ON
CODES FROM
MIDSCALE
TO ZERO SCALE
D14 TO D1 ON D14 TO D0 ON
–100
10
D15 ON*
100 1k 10k 100k 1M 10M
FREQUENCY (Hz)
1597 G13
*DAC ZERO VOLTAGE OUTPUT LIMITED BY BIPOLAR
ZERO ERROR TO –96dB TYPICAL (–78dB MAX, A GRADE)
VREF
+
LT1468
–
12pF
12pF
32
14 5 6
LTC1597
7
22
VOUT
15pF
–
LT1468
+
10
For more information www.linear.com/LTC1591
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