LTC1597(RevA) View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LTC1597
(Rev.:RevA)
(Rev.:RevA)
Linear Technology
LTC1597 Datasheet PDF : 20 Pages
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LTC1591/LTC1597
TYPICAL PERFOR A CE 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
D2 ON
– 80 D1 ON
D0 ON
– 100
ALL BITS OFF
– 120
100 1k
10k 100k
FREQUENCY (Hz)
1M 10M
1591G11
VREF
30pF
32145
6–
LTC1591
LT1468
VOUT
7+
22
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
+
15917fa
7
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