Linear Technology LTC2370-16 with LTC6655-5/LT6202: 16-Bit, 2Msps, Pseudo-Differential Unipolar SAR ADC with 94dB SNR. Req DC718 or DC590 DC1813A-A 데이터 시트
제품 코드
DC1813A-A
LTC2370-16
6
237016fa
TYPICAL PERFORMANCE CHARACTERISTICS
32k Point FFT f
S
= 2Msps,
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
= 2Msps, 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
237016 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
237016 G02
0
16384
32768
49152
65536
FREQUENCY (kHz)
0 100 200 300 400
800 900 1000
700
600
500
–180
AMPLITUDE (dBFS)
–60
–40
–20
–80
–100
–120
–140
–160
0
237016 G04
SNR = 94dB
THD = –112dB
SINAD = 93.9dB
SFDR = 117dB
FREQUENCY (kHz)
0
70
SNR, SINAD (dBFS)
75
80
85
90
50
100
150
200
237016 G05
95
100
SNR
25
75
125
175
SINAD
FREQUENCY (kHz)
0
–160
HARMONICS, THD (dBFS)
–150
–130
–120
–110
–60
–90
50
100 125
237016 G06
–140
–80
–70
–100
25
75
150 175 200
THD
2ND
2ND
3RD
INPUT LEVEL (dB)
–40
93.0
SNR, SINAD (dBFS)
93.5
94.0
94.5
SINAD
95.0
–30
–20
–10
0
237016 G07
SNR
REFERENCE VOLTAGE (V)
2.5
93
94
95
SNR
SINAD
4.5
237016 G08
92
91
3
3.5
4
5
90
89
SNR, SINAD (dBFS)
REFERENCE VOLTAGE (V)
2.5
HARMONICS, THD (dBFS)
–120
–110
THD
3RD
–100
4.5
237016 G09
–130
–140
–125
–115
–105
–135
–145
–150
3
3.5
4
5
2ND
CODE
32676
0
COUNTS
20000
30000
40000
50000
60000
70000
32677
32678
237016 G03
80000
90000
100000
σ = 0.5
10000
32679
32680