AD6654 Просмотр технического описания (PDF) - Analog Devices
Номер в каталоге
Компоненты Описание
производитель
AD6654 Datasheet PDF : 88 Pages
| |||
AD6654
ADC SWITCHING SPECIFICATIONS
AVDD = 5.0 V, DRVDD = 3.3 V, VDDCORE = 1.8 V, VDDIO = 3.3 V, maximum rated sample rate, differential input, unless
otherwise noted.
Table 4.
Parameter (Conditions)
SWITCHING PERFORMANCE
Maximum Conversion Rate
Minimum Conversion Rate
ENC Pulse Width High1 (tENCH)
ENC Pulse Width Low1 (tENCL)
Temp
Full
Full
Full
Full
Test Level
II
IV
IV
IV
Min
Typ
Max
92.16
30
5.154
5.425
5.154
5.425
1 Several internal timing parameters are a function of tENCL and tENCH, optimum performance will be achieved with 50/50 duty cycle.
Unit
MSPS
MSPS
ns
ns
ADC AC SPECIFICATIONS
AVDD = 5.0 V, DRVDD = 3.3 V, VDDCORE = 1.8 V, VDDIO = 3.3 V, maximum rated sample rate, differential input, unless
otherwise noted.
Table 5.
Parameter (Conditions)
SIGNAL-TO-NOISE RATIO1 (WITHOUT HARMONICS)
Analog Input Frequency 37 MHz
ADC (46.08 MHz BW)
CDMA (1.25 MHz BW)
WCDMA (5.0 MHz BW)
Analog Input Frequency 70 MHz
ADC (46.08 MHz BW)
CDMA (1.25 MHz BW)
WCDMA (5.0 MHz BW)
Analog Input Frequency 150 MHz
ADC (46.08 MHz BW)
CDMA (1.25 MHz BW)
WCDMA (5.0 MHz BW)
Analog Input Frequency 200 MHz
ADC (46.08 MHz BW)
CDMA (1.25 MHz BW)
WCDMA (5.0 MHz BW)
WORST HARMONIC2 (ANALOG INPUT @ −1 dBFS)
37 MHz
70 MHz
150 MHz
200 MHz
INTERMODULATION DISTORTION (TWO-TONES SEPARATED BY 1 MHz)3
Analog Input = 55/56 MHz
ANALOG INPUT BANDWIDTH
Temp Test Level Min Typ Max Unit
25°C V
Full
II
25°C V
25°C V
Full
II
25°C V
25°C V
25°C V
25°C V
25°C V
25°C V
25°C V
Full
II
Full
V
Full
V
Full
V
25°C V
25°C V
74.5
dB
88 90.0
dB
84
dB
73.5
dB
87.5 89
dB
83
dB
73
dB
88
dB
82
dB
72
dB
87
dB
81
dB
85 93
dBc
91
dBc
71
dBc
63
dBc
90
dBc
270
MHz
1 Analog input = −1 dB below full scale.
2 Includes Harmonic 2 through Harmonic 6.
3 Analog input = each −7 dB below full scale.
Rev. 0 | Page 7 of 88
Share Link: 