参数资料
型号: AD6654CBCZ
厂商: Analog Devices Inc
文件页数: 67/88页
文件大小: 0K
描述: IC ADC 14BIT W/4CH RSP 256CSPBGA
标准包装: 1
位数: 14
采样率(每秒): 92.16M
数据接口: 串行,并联
转换器数目: 1
功率耗散(最大): 2.5W
电压电源: 模拟和数字
工作温度: -25°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 256-BGA,CSPBGA
供应商设备封装: 256-CSPBGA(17x17)
包装: 托盘
输入数目和类型: 1 个差分,单极
AD6654
Rev. 0 | Page 7 of 88
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)
Temp
Test Level
Min
Typ
Max
Unit
SWITCHING PERFORMANCE
Maximum Conversion Rate
Full
II
92.16
MSPS
Minimum Conversion Rate
Full
IV
30
MSPS
ENC Pulse Width High1 (tENCH)
Full
IV
5.154
5.425
ns
ENC Pulse Width Low1 (tENCL)
Full
IV
5.154
5.425
ns
1 Several internal timing parameters are a function of t
ENCL
and tENCH, optimum performance will be achieved with 50/50 duty cycle.
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)
Temp
Test Level
Min
Typ
Max
Unit
SIGNAL-TO-NOISE RATIO1 (WITHOUT HARMONICS)
Analog Input Frequency 37 MHz
ADC (46.08 MHz BW)
25°C
V
74.5
dB
CDMA (1.25 MHz BW)
Full
II
88
90.0
dB
WCDMA (5.0 MHz BW)
25°C
V
84
dB
Analog Input Frequency 70 MHz
ADC (46.08 MHz BW)
25°C
V
73.5
dB
CDMA (1.25 MHz BW)
Full
II
87.5
89
dB
WCDMA (5.0 MHz BW)
25°C
V
83
dB
Analog Input Frequency 150 MHz
ADC (46.08 MHz BW)
25°C
V
73
dB
CDMA (1.25 MHz BW)
25°C
V
88
dB
WCDMA (5.0 MHz BW)
25°C
V
82
dB
Analog Input Frequency 200 MHz
ADC (46.08 MHz BW)
25°C
V
72
dB
CDMA (1.25 MHz BW)
25°C
V
87
dB
WCDMA (5.0 MHz BW)
25°C
V
81
dB
WORST HARMONIC2 (ANALOG INPUT @ 1 dBFS)
37 MHz
Full
II
85
93
dBc
70 MHz
Full
V
91
dBc
150 MHz
Full
V
71
dBc
200 MHz
Full
V
63
dBc
INTERMODULATION DISTORTION (TWO-TONES SEPARATED BY 1 MHz)3
Analog Input = 55/56 MHz
25°C
V
90
dBc
ANALOG INPUT BANDWIDTH
25°C
V
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.
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