Datasheet

LTC2389-16
21
238916f
applications inFormation
Figure 5a. LT6201 Buffering a Fully-Differential or Single-Ended Signal Source
Figure 5b. 32k Point FFT f
SMPL
= 2.5Msps,
f
IN
= 2kHz, for Circuit Shown in Figure 5a;
Driven with Fully Differential Inputs
Figure 5c. 32k Point FFT f
SMPL
= 2.5Msps,
f
IN
= 2kHz, for Circuit Shown in Figure 5a;
Driven with Unipolar Inputs
Figure 5d. 32k Point FFT f
SMPL
= 2.5Msps,
f
IN
= 2kHz, for Circuit Shown in Figure 5a;
Driven with Bipolar Inputs
238916 F05a
IN
–
IN
+
1nF
10Ω
10Ω
1/2 LT6201
LOWPASS FILTERS
1/2 LT6201
LTC2389-16
1nF
+
–
+
–
49.9Ω
49.9Ω
4.096V
0V
0V
4.096V
0V
4.096V
0V
4.096V
0V
2.048V
FREQUENCY (kHz)
0
AMPLITUDE (dBFS)
–60
–40
–20
–80
–100
500250 750 1000 1250
–160
–180
–120
0
–140
238916 F05b
SNR = 96.0dB
THD = –116dB
SINAD = 96.0dB
SFDR = 117dB
FREQUENCY (kHz)
0
AMPLITUDE (dBFS)
–60
–40
–20
–80
–100
500250 750 1000 1250
–160
–180
–120
0
–140
238916 F05c
SNR = 93.2dB
THD = –112dB
SINAD = 93.2dB
SFDR = 113dB
FREQUENCY (kHz)
0
AMPLITUDE (dBFS)
–60
–40
–20
–80
–100
500250 750 1000 1250
–160
–180
–120
0
–140
238916 F05d
SNR = 93.5dB
THD = –111dB
SINAD = 93.5dB
SFDR = 112dB