LTC1402
TYPICAL PERFOR A CE CHARACTERISTICS
U W
(Bipolar Mode Plots Run with Dual ±5V Supplies.
Unipolar Mode Plots Run with a Single 5V Supply. VDD = 5V, VSS = –5V for Bipolar, VDD = 5V, VSS = 0V for Unipolar), TA = 25°C.
Sine Wave Spectrum Plot
(Bipolar) ±5V Supply
Sine Wave Spectrum Plot
(Bipolar) Dual ±5V Supply
IMD Spectrum Plot (Bipolar)
10
0
10
0
10
0
f
f
= 2222222.22Hz
f
f
= 2222222.22Hz
f
f
f
= 2352941.18Hz
SAMPLE
SINE
SAMPLE
SINE
SAMPLE
SINEA
SINEB
+
–
= 109592.01Hz
= 1131727.43Hz
= 1250000Hz ±1V INTO A
IN
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
2048 SAMPLES
2048 SAMPLES
= 1199449Hz ±1V INTO A
IMD = 83.9dB
IN
2048 SAMPLES
f
– 2f
3f
f
A
– f
B
A
B
4TH
5TH
6TH
2f
2ND
4TH
6TH
B
B
2ND
3RD
f + 2f
A B
f
– f
A
3RD
5TH
A
B
2f
3f
A
2f – f
A
B
B
2f + f
A
0
0.55
1.11
0
0.55
FREQUENCY (MHz)
1.11
0
0.59
FREQUENCY (MHz)
1.18
FREQUENCY (MHz)
1402 G09
1402 G11
1402 G10
Sine Wave Spectrum Plot
(Unipolar) 5V Supply
Sine Wave Spectrum Plot
(Unipolar) 5V Supply
IMD Spectrum Plot (Unipolar)
10
0
10
0
10
0
f
f
= 2222222.22Hz
f
f
= 2222222.22Hz
f
= 2352941.18Hz
SAMPLE
SAMPLE
SINE
SAMPLE
SINE
+
= 1131727.43Hz
= 109592.01Hz
f
= 1250000Hz INTO A
1.5V TO 3.5V
,
,
SINEA
IN
IN
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
2048 SAMPLES
2048 SAMPLES
–
f
= 1199449Hz INTO A
1.5V TO 3.5V
SINEB
IMD = –84.1dB
2048 SAMPLES
3f
B
f
– f
A
B
2ND
4TH
6TH
3RD
5TH
2ND
4TH
5TH
6TH
2f
2f – f , f + 2f
A B A B
B
3RD
f
+ f
2f + f
A B
A
B
2f
A
3f
A
f
A
– 2f
B
0
0
0.55
1.11
0.55
1.11
0
0.59
FREQUENCY (MHz)
1.18
FREQUENCY (MHz)
FREQUENCY (MHz)
1402 G08
1402 G12
1402 G13
4VP-P Power Bandwidth and
100mVP-P Small-Signal
Bandwidth
PSRR vs Frequency
Load Regulation for VREF
5
0
4.100
4.090
4.080
4070
0
V
V
V
CC
SS
DD
–10
–20
–30
–40
–50
–60
–70
–80
100mV
P-P
DGND
–3
–5
4V
P-P
–10
–15
–20
–25
.4.060
4.050
4.040
0
0.4
0.8
1.2
1.6
2.0
0.1
1
10
FREQUENCY (MHz)
100
1000
0.1
1
10
FREQUENCY (MHz)
100
1000
LOAD CURRENT (mA)
1402 F07
1402 G18
1402 G20
6
Linear [ Linear ]
