Datasheet

LTC1407/LTC1407A
6
1407fb
TYPICAL PERFORMANCE CHARACTERISTICS
SNR vs Input Frequency
98kHz Sine Wave 4096 Point
FFT Plot
748kHz Sine Wave 4096 Point
FFT Plot
1403kHz Input Summed with
1563kHz Input IMD 4096 Point
FFT Plot
Differential Linearity for CH0 with
Internal 2.5V Reference
Integral Linearity End Point Fit for
CH0 with Internal 2.5V Reference
V
DD
= 3V, T
A
= 25°C (LTC1407A)
FREQUENCY (MHz)
0.1
62
SNR (dB)
56
50
1 10 100
1407 G03
68
65
59
53
71
74
FREQUENCY (kHz)
MAGNITUDE (dB)
–60
–30
–20
1407 G04
–70
–80
–120
–100
0
1.5Msps
–10
–40
–50
–90
–110
0
200 400100 300 600500 700
FREQUENCY (kHz)
MAGNITUDE (dB)
–60
–30
–20
1407 G05
–70
–80
–120
–100
0
–10
–40
–50
–90
–110
0
200 400100 300 600500 700
1.5Msps
FREQUENCY (kHz)
0
MAGNITUDE (dB)
–60
–30
–20
1407 G06
–70
–80
–120
200 400100 300 600500 700
–100
0
–10
–40
–50
–90
–110
1.5Msps
OUTPUT CODE
0
–1.0
DIFFERENTIAL LINEARITY (LSB)
–0.8
–0.4
–0.2
0
1.0
0.4
4096
8192
1407 G15
–0.6
0.6
0.8
0.2
12288
16384
OUTPUT CODE
0
–2.0
INTEGRAL LINEARITY (LSB)
–1.6
–0.8
–0.4
0
2.0
0.8
4096
8192
1407 G16
–1.2
1.2
1.6
0.4
12288
16384
Differential Linearity for CH1 with
Internal 2.5V Reference
Integral Linearity End Point Fit for
CH1 with Internal 2.5V Reference
OUTPUT CODE
0
–1.0
DIFFERENTIAL LINEARITY (LSB)
–0.8
–0.4
–0.2
0
1.0
0.4
4096
8192
1407 G17
–0.6
0.6
0.8
0.2
12288
16384
OUTPUT CODE
0
–2.0
INTEGRAL LINEARITY (LSB)
–1.6
–0.8
–0.4
0
2.0
0.8
4096
8192
1407 G18
–1.2
1.2
1.6
0.4
12288
16384