LTC1282AC View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC1282AC' PDF : 24 Pages View PDF
LTC1282
TYPICAL PERFOR A CE CHARACTERISTICS
S/(N + D) vs Input Frequency and
Amplitude (Unipolar, VDD = 3V)
80
VIN = 0dB
70
fSAMPLE = 160kHz
UNIPOLAR
60
VIN = –20dB
50
40
30
20
VIN = –60dB
10
0
1k
10k
100k
1M
10M
INPUT FREQUENCY (Hz)
LTC1282 • TPC10
Reference Voltage
vs Load Current
1.220
1.215 VDD = 3V
1.210
1.205
1.200
1.195
1.190
1.185
1.180
1.175
1.170
–5 –4 –3 –2 –1 0
1
LOAD CURRENT (mA)
Change in Gain Error
vs Temperature
LTC1282 • TPC13
5
fSAMPLE = 140kHz
VDD = 2.7V
4
3
2
1
0
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
LTC1282 • TPC16
S/(N + D) vs Input Frequency and
Amplitude (Bipolar, ±3V Supplies)
80
VIN = 0dB
70
fSAMPLE = 160kHz
60
VIN = –20dB
50
40
30
20
VIN = –60dB
10
0
1k
10k
100k
1M
10M
INPUT FREQUENCY (Hz)
LTC1282 • TPC10
S/(N +D) vs Input Frequency vs
Source Resistance (Bipolar)
80
70
RS = 50Ω
RS = 500Ω
60
RS = 1k
50
RS = 5k
40
30
20
VDD = 3V
10 VSS = –3V
BIPOLAR
0
1k
10k
100k
1M
10M
INPUT FREQUENCY (Hz)
LTC1282 • TPC14
Change in Integral Nonlinearity
(INL) vs Temperature
0.5
fSAMPLE = 140kHz
VDD = 2.7V
0.4
Spurious Free Dynamic Range
vs Input Frequency
0
– 10
fSAMPLE = 160kHz
VDD = 3V
–20 UNIPOLAR
– 30
– 40
– 50
– 60
– 70
– 80
– 90
– 100
100
1k
10k
100k
1M
INPUT FREQUENCY (Hz)
LTC1282 • TPC12
Change in Offset Voltage
vs Temperature
5
fSAMPLE = 140kHz
VDD = 2.7V
4
3
2
1
0
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
LTC1282 • TPC15
Change in Differential
Nonlinearity (DNL) vs Temperature
0.5
fSAMPLE = 140kHz
VDD = 2.7V
0.4
0.3
0.3
0.2
0.2
0.1
0.1
0
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
LTC1282 • TPC17
0
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
LTC1282 • TPC18
7
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