Datasheet

LTC2308
6
2308fb
FREQUENCY (kHz)
–120
CROSSTALK (dB)
–100
–90
–70
–60
0.1 10 100 1000
3208 G04
–140
1
–80
–110
–130
FREQUENCY (kHz)
1
50
SNR (dB)
70
75
80
10 100 1000
3208 G05
65
60
55
FREQUENCY (kHz)
1
50
SINAD (dB)
70
75
80
10 100 1000
3208 G06
65
60
55
FREQUENCY (kHz)
1
–80
THD (dB)
–70
–60
10 100 1000
3208 G07
–90
–85
–75
–65
–95
–100
SAMPLING FREQUENCY (ksps)
1
2.0
SUPPLY CURRENT (mA)
2.5
3.0
3.5
10 100 1000
3208 G08
1.5
1.0
0.5
0
OUTPUT CODE
0
DNL (LSB)
0
0.25
0.50
4096
2308 G02
–0.25
–0.50
–1.00
1024
2048
3072
–0.75
1.00
0.75
FREQUENCY (kHz)
0
–140
MAGNITUDE (dB)
–120
–100
–80
0
–40
100
150 250
–20
–60
–130
–110
–90
–10
–50
–30
–70
50
200
2308 G03
SNR = 73.7dB
SINAD = 73.6dB
THD = –89.5dB
OUTPUT CODE
0
INL (LSB)
0
0.25
0.50
4096
2308 G01
–0.25
–0.50
–1.00
1024
2048
3072
–0.75
1.00
0.75
TYPICAL PERFORMANCE CHARACTERISTICS
Integral Nonlinearity vs
Output Code
Differential Nonlinearity vs
Output Code
1kHz Sine Wave
8192 Point FFT Plot
Crosstalk vs Frequency for
an Adjacent Pair SNR vs Input Frequency SINAD vs Input Frequency
THD vs Input Frequency
Supply Current vs
Sampling Frequency Supply Current vs Temperature
TEMPERATURE (oC)
–50 –25
0
SUPPLY CURRENT (mA)
2
5
0
50
75
3208 G09
1
4
3
25
100
125
T
A
= 25°C, AV
DD
= DV
DD
= OV
DD
= 5V,
f
SMPL
= 500ksps, Internal Reference, unless otherwise noted.