LTC1747 Linear Technology, LTC1747 Datasheet - Page 8

• Manufacturer Part Number: LTC1747
• Description: 12-Bit 80Msps Low Noise ADC
• Manufacturer: Linear Technology

LTC1747
8
TYPICAL PERFOR A CE CHARACTERISTICS
100
80
70
60
95
90
85
75
65
0
High Input Frequency SFDR,
–1dB, 2V Range
2ND OR 3RD HARMONIC
50
4TH OR HIGHER HARMONIC
INPUT FREQUENCY (MHz)
100
72.5
72.0
71.5
71.0
70.5
70.0
69.5
74.0
73.5
73.0
72.5
72.0
71.5
71.0
70.0
70.5
0
0
SNR vs Input Frequency,
–1dB, 3.2V Range
SNR vs Sample Rate, 5MHz Input
–1dB, 3.2V Range
T
A
150
= 25 C
20
20
INPUT FREQUENCY (MHz)
W
SAMPLE RATE (Msps)
200
40
40
1747 G29
U
250
60
60
70.5
70.0
69.5
69.0
68.5
68.0
67.5
67.0
T
80
80
A
= 25 C
0
1747 G25
High Input Frequency SNR,
–1dB, 2V Range
1747 G27
100
100
50
INPUT FREQENCY (MHz)
100
150
100
300
290
280
270
260
240
230
200
250
98
96
94
92
90
88
86
84
82
80
0
0
1747 G30
SFDR vs Sample Rate, 5MHz Input
–1dB, 3.2V Range
Supply Current (I
vs Sample Rate
T
T
A
A
= 25 C
= 25 C
250
20
20
SAMPLE RATE (Msps)
SAMPLE RATE (Msps)
40
40
–2
–4
–6
–8
8
6
4
2
0
– 50
VDD
Offset and Gain Error
vs Temperature
60
60
)
–30
www.DataSheet4U.com
–10
80
GAIN ERROR
TEMPERATURE ( C)
80
1747 G28
1747 G26
10
100
100
30
OFFSET ERROR
50
70
1747 G03
1747fa
90