Linear Technology LTC2377-16 with LTC6655-5/LT6350: 16-Bit, 500ksps, SAR ADC with 97dB SNR. Req DC718 or DC590 DC1783A-C DC1783A-C 데이터 시트
제품 코드
DC1783A-C
LTC2377-16
6
237716f
Typical perForMance characTerisTics
32k Point FFT f
S
= 500ksps,
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
OUTPUT CODE
0
16384
32768
49152
65536
–1.0
INL ERROR (LSB)
–0.2
0.2
0.4
0.6
0.0
0.8
–0.4
–0.6
–0.8
1.0
237716 G01
FREQUENCY (kHz)
0
50
100
150
250
200
–180
AMPLITUDE (dBFS)
–60
–40
–20
–80
–100
–120
–140
–160
0
237716 G04
SNR = 97.2dB
THD = –123dB
SINAD = 97.2dB
SFDR = 126dB
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
237716 G02
0
16384
32768
49152
65536
T
A
= 25°C, V
DD
= 2.5V, OV
DD
= 2.5V, V
CM
= 2.5V,
REF = 5V, f
SMPL
= 500ksps, unless otherwise noted.
INPUT LEVEL (dB)
SNR, SINAD (dBFS)
98.0
237716 G07
96.0
96.5
97.0
97.5
–40
–30
–20
–10
0
SNR
SINAD
REFERENCE VOLTAGE (V)
SNR, SINAD (dBFS)
98.0
97.0
97.5
237716 G08
94.0
94.5
95.0
95.5
96.0
96.5
2.5
3.0
3.5
4.0
4.5
5.0
SINAD
SNR
HARMONICS, THD (dBFS)
–100
–110
237716 G09
–150
–140
–145
–135
–130
–125
–120
–115
–105
THD
3RD
REFERENCE VOLTAGE (V)
2.5
3.0
3.5
4.0
4.5
5.0
2ND
FREQUENCY (kHz)
SNR, SINAD (dBFS)
98.0
97.5
237716 G05
93.0
93.5
95.0
94.5
94.0
96.5
97.0
96.0
95.5
0
25
50
75 100
175
150
125
200
SINAD
SNR
FREQUENCY (kHz)
HARMONICS, THD (dBFS)
–80
237716 G06
–140
–130
–120
–110
–100
–90
0
25
50
75 100
175
150
125
200
3RD
2ND
THD
CODE
32680
32679
32678
32677
32676
0
COUNTS
40000
20000
100000
60000
120000
80000
140000
σ = 0.15
237716 G03