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 (LTC1591)
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 = 10V
VREF = 10V
VREF = 2.5V
–0.6
–0.8
–1.0
01 2 34 5 6 7
SUPPLY VOLTAGE (V)
1591 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
D13 AND D12 ON
D13 AND D11 ON
–20 D13 AND D10 ON
D13 AND D9 ON
D13 AND D8 ON
–40 D13 AND D7 ON
D13 AND D6 ON
D13 AND D5 ON
–60 D13 AND D4 ON
D13 AND D3 ON
D13 AND D2 ON
D13 AND D1 ON
–80 D13 AND D0 ON
D13 ON*
CODES FROM MIDSCALE TO FULL SCALE
–100
10 100 1k 10k 100k 1M 10M
FREQUENCY (Hz)
1591 G12
*DAC ZERO VOLTAGE OUTPUT LIMITED BY BIPOLAR
ZERO ERROR TO –84dB TYPICAL (–70dB MAX)
VREF
+
LT1468
–
12pF
12pF
32
14 5 6
LTC1591
7
22
VOUT
15pF
–
LT1468
+
Bipolar Multiplying Mode Frequency
Response vs Digital Code
0 ALL BITS OFF
D12 ON
D12 AND D11 ON
–20 D12 TO D10 ON
D12 TO D9 ON
D12 TO D8 ON
–40 D12 TO D7 ON
D12 TO D6 ON
D12 TO D5 ON
–60 D12 TO D4 ON
D12 TO D3 ON
D12 TO D2 ON
D12 TO D1 ON
–80 D12 TO D0 ON
D13 ON*
CODES FROM MIDSCALE TO ZERO SCALE
–100
10 100 1k 10k 100k 1M 10M
FREQUENCY (Hz)
1591G13
*DAC ZERO VOLTAGE OUTPUT LIMITED BY BIPOLAR
ZERO ERROR TO –84dB TYPICAL (–70dB MAX)
VREF
+
LT1468
–
12pF
12pF
32
14 5 6
LTC1591
7
22
VOUT
15pF
–
LT1468
+
8
For more information www.linear.com/LTC1591
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