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