AVCC = 5 V, DV
參數(shù)資料
型號: AD6645ASVZ-105
廠商: Analog Devices Inc
文件頁數(shù): 19/24頁
文件大小: 0K
描述: IC ADC 14BIT 105MSPS 52TQFP
設(shè)計(jì)資源: Low Jitter Sampling Clock Generator for High Performance ADCs Using AD9958/9858 and AD9515 (CN0109)
標(biāo)準(zhǔn)包裝: 1
位數(shù): 14
采樣率(每秒): 105M
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 4
功率耗散(最大): 1.75W
電壓電源: 模擬和數(shù)字
工作溫度: -10°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 52-TQFP 裸露焊盤
供應(yīng)商設(shè)備封裝: 52-TQFP-EP(10x10)
包裝: 托盤
輸入數(shù)目和類型: 1 個(gè)差分,雙極
AD6645
Rev. D | Page 4 of 24
DIGITAL SPECIFICATIONS
AVCC = 5 V, DVCC = 3.3 V; TMIN and TMAX at rated speed grade, unless otherwise noted.
Table 2.
Test
AD6645ASQ-80/AD6645ASV-80
AD6645ASQ-105/AD6645ASV-105
Parameter
Temp
Level
Min
Typ
Max
Min
Typ
Max
Unit
ENCODE INPUTS (ENCODE, ENCODE)
Differential Input Voltage1
Full
IV
0.4
V p-p
Differential Input Resistance
25°C
V
10
Differential Input Capacitance
25°C
V
2.5
pF
LOGIC OUTPUTS (D13 to D0, DRY, OVR)
Logic Compatibility
CMOS
Logic 1 Voltage (DVCC = 3.3 V)2
Full
II
2.85
DVCC 2
2.85
DVCC 2
V
Logic 0 Voltage (DVCC = 3.3 V)2
Full
II
0.2
0.5
0.2
0.5
V
Output Coding
Twos complement
DMID
Full
V
DVCC/2
V
1 All ac specifications tested by driving ENCODE and ENCODE differentially.
2 Digital output logic levels: DVCC = 3.3 V, CLOAD = 10 pF. Capacitive loads >10 pF degrades performance.
AC SPECIFICATIONS
All ac specifications tested by driving ENCODE and ENCODE differentially. AVCC = 5 V, DVCC = 3.3 V; ENCODE, ENCODE, TMIN and
TMAX at rated speed grade, unless otherwise noted.
Table 3.
Test
AD6645ASQ-80/
AD6645ASV-80
AD6645ASQ-105/
AD6645ASV-105
Parameter
Temp
Level
Min
Typ
Max
Min
Typ
Max
Unit
Conditions
SNR
Analog Input @ 1 dBFS
25°C
V
75.0
dB
At 15.5 MHz
Full
II
72.5
74.5
dB
At 30.5 MHz
25°C
I
72.5
74.5
dB
At 37.7 MHz
Full
II
72.0
73.5
72.0
73.5
dB
At 70.0 MHz
25°C
V
73.0
dB
At 150.0 MHz
25°C
V
72.0
dB
At 200.0 MHz
SINAD
Analog Input @ 1 dBFS
25°C
V
75.0
dB
At 15.5 MHz
Full
II
72.5
74.5
dB
At 30.5 MHz
25°C
I
72.5
74.5
dB
At 37.7 MHz
Full
V
73.0
dB
At 70.0 MHz
25°C
V
68.5
67.5
dB
At 150.0 MHz
25°C
V
62.5
dB
At 200.0 MHz
WORST HARMONIC (SECOND OR THIRD)
Analog Input @ 1 dBFS
25°C
V
93.0
93.1
dBc
At 15.5 MHz
Full
II
85.0
93.0
dBc
At 30.5 MHz
25°C
I
85.0
93.0
dBc
At 37.7 MHz
Full
V
89.0
87.0
dBc
At 70.0 MHz
25°C
V
70.0
dBc
At 150.0 MHz
25°C
V
63.5
dBc
At 200.0 MHz
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