Datasheet

LTC2364-16
6
236416fa
TYPICAL PERFORMANCE CHARACTERISTICS
32k Point FFT f
S
= 250ksps,
f
IN
= 2kHz SNR, SINAD vs Input Frequency
THD, Harmonics
vs Input Frequency
SNR, SINAD vs Input level,
f
IN
= 2kHz
SNR, SINAD vs Reference
Voltage, f
IN
= 2kHz
THD, Harmonics vs Reference
Voltage, f
IN
= 2kHz
Integral Nonlinearity
vs Output Code
Differential Nonlinearity
vs Output Code DC Histogram
T
A
= 25°C, V
DD
= 2.5V, OV
DD
= 2.5V, REF = 5V,
f
SMPL
= 250ksps, unless otherwise noted.
OUTPUT CODE
0 16384 32768 49152 65536
–1.0
INL ERROR (LSB)
0.0
0.4
0.2
0.6
0.8
–0.2
–0.4
–0.8
–0.6
1.0
236416 G01
OUTPUT CODE
–0.5
DNL ERROR (LSB)
0.4
0.3
0.2
0.1
0.0
–0.4
–0.3
–0.2
–0.1
0.5
236416 G02
0 16384 32768 49152 65536
CODE
32676
0
COUNTS
20000
30000
40000
50000
60000
70000
32677
32678
236416 G03
80000
90000
100000
σ = 0.5
10000
32679 32680
FREQUENCY (kHz)
0 25 50 75 100 125
–180
AMPLITUDE (dBFS)
–60
–40
–20
–80
–100
–120
–140
–160
0
236416 G04
SNR = 94.7dB
THD = –121dB
SINAD = 94.7dB
SFDR = 125dB
FREQUENCY (kHz)
0 755025 100 125
70
SNR, SINAD (dBFS)
85
80
75
100
SNR
SINAD
95
90
236416 G05
FREQUENCY (kHz)
0
–160
HARMONICS, THD (dBFS)
–150
–130
–120
–110
–60
THD
2ND
3RD
–90
50
100
236416 G06
–140
–80
–70
–100
25 75 125
INPUT LEVEL (dB)
–40
93.0
SNR, SINAD (dBFS)
93.5
94.0
94.5
95.0
SINAD
96.0
95.5
–30 –20 –10 0
236416 G07
SNR
REFERENCE VOLTAGE (V)
2.5
93
94
95
SNR
SINAD
4.5
236416 G08
92
91
3 3.5 4 5
90
SNR, SINAD (dBFS)
REFERENCE VOLTAGE (V)
2.5
HARMONICS, THD (dBFS)
–120
–110
3RD
–100
4.5
236416 G09
–130
–140
–125
–115
–105
–135
–145
–150
3
3.5
4
5
2ND
THD