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AD6644ASTZ-65 PDF预览

AD6644ASTZ-65

更新时间: 2024-01-23 13:54:14
品牌 Logo 应用领域
罗彻斯特 - ROCHESTER 转换器
页数 文件大小 规格书
25页 1793K
描述
1-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP52, LOW PROFILE, PLASTIC, MS-026BCC, QFP-52

AD6644ASTZ-65 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:QFP
包装说明:LQFP,针数:52
Reach Compliance Code:unknown风险等级:5.41
最大模拟输入电压:2.2 V最小模拟输入电压:
转换器类型:ADC, PROPRIETARY METHODJESD-30 代码:S-PQFP-G52
JESD-609代码:e3长度:10 mm
最大线性误差 (EL):0.0031%湿度敏感等级:3
模拟输入通道数量:1位数:14
功能数量:1端子数量:52
最高工作温度:85 °C最低工作温度:-25 °C
输出位码:2'S COMPLEMENT BINARY输出格式:PARALLEL, WORD
封装主体材料:PLASTIC/EPOXY封装代码:LQFP
封装形状:SQUARE封装形式:FLATPACK, LOW PROFILE
峰值回流温度(摄氏度):260采样速率:65 MHz
采样并保持/跟踪并保持:TRACK座面最大高度:1.6 mm
标称供电电压:5 V表面贴装:YES
技术:BIPOLAR温度等级:OTHER
端子面层:MATTE TIN端子形式:GULL WING
端子节距:0.65 mm端子位置:QUAD
处于峰值回流温度下的最长时间:40宽度:10 mm
Base Number Matches:1

AD6644ASTZ-65 数据手册

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AD6644  
DIGITAL SPECIFICATIONS  
AVCC = 5 V, DVCC = 3.3 V; TMIN = −25°C, TMAX = +85°C, unless otherwise noted.  
Table 2.  
AD6644AST-40  
AD6644AST-65  
Parameter  
Temp  
Test Level1  
Unit  
Min  
Typ  
Max  
Min  
Typ  
Max  
ENCODE  
ENCODE INPUTS (ENCODE,  
)
Differential Input Voltage2  
Differential Input Resistance  
Differential Input Capacitance  
Full  
25°C  
25°C  
IV  
V
V
0.4  
0.4  
V p-p  
kΩ  
pF  
10  
2.5  
10  
2.5  
LOGIC OUTPUTS (D13 to D0, DRY, OVR)  
Logic Compatibility  
Logic 1 Voltage3  
CMOS  
2.5  
0.4  
CMOS  
2.5  
0.4  
Full  
Full  
V
V
V
V
Logic 0 Voltage3  
Output Coding  
DMID  
Twos complement  
DVCC/2  
Twos complement  
DVCC/2  
Full  
V
V
1 See the Explanation of Test Levels section.  
2
ENCODE  
All ac specifications tested by driving ENCODE and  
differentially. Reference Figure 18 for performance vs. encode power.  
3 Digital output logic levels: DVCC = 3.3 V, CLOAD = 10 pF. Capacitive loads >10 pF degrade performance.  
SWITCHING SPECIFICATIONS  
ENCODE  
AVCC = 5 V, DVCC = 3.3 V; ENCODE and  
= maximum conversion rate MSPS; TMIN = –25°C, TMAX = +85°C, unless otherwise noted.  
Table 3.  
AD6644AST-40  
Typ Max  
AD6644AST-65  
Typ Max  
Parameter  
Temp  
Full  
Full  
Full  
Full  
Test Level1  
Unit  
MSPS  
MSPS  
ns  
Min  
Min  
Maximum Conversion Rate  
Minimum Conversion Rate  
ENCODE Pulse Width High  
ENCODE Pulse Width Low  
II  
40  
65  
IV  
IV  
IV  
15  
15  
10  
10  
6.5  
6.5  
ns  
1 See the Explanation of Test Levels section.  
ENCODE  
AVCC = 5 V, DVCC = 3.3 V; ENCODE and  
unless otherwise noted.  
= maximum conversion rate MSPS; TMIN = −25°C, TMAX = +85°C, CLOAD = 10 Pf,  
Table 4.  
AD6644AST-40/65  
Parameter  
ENCODE INPUT PARAMETERS2  
Name  
Temp  
Test Level1  
Unit  
Min  
Typ  
Max  
Encode Period @ 65 MSPS  
Encode Period @ 40 MSPS  
Encode Pulse Width High3 @ 65 MSPS  
Encode Pulse Width Low @ 65 MSPS  
ENCODE/DATA READY  
tENC  
tENC  
tENCH  
tENCL  
Full  
Full  
Full  
Full  
V
V
IV  
IV  
15.4  
25  
7.7  
7.7  
ns  
ns  
ns  
ns  
6.2  
6.2  
9.2  
9.2  
Encode Rising to Data Ready Falling  
Encode Rising to Data Ready Rising  
@ 65 MSPS (50% Duty Cycle)  
@ 40 MSPS (50% Duty Cycle)  
ENCODE/DATA (D13:0), OVR  
ENCODE to DATA Falling Low  
ENCODE to DATA Rising Low  
ENCODE to DATA Delay (Hold Time)4  
ENCODE to DATA Delay (Setup Time)5  
Encode = 65 MSPS (50% Duty Cycle)  
Encode = 40 MSPS (50% Duty Cycle)  
tDR  
tE_DR  
Full  
IV  
2.6  
3.4  
tENCH + tDR  
11.1  
4.6  
ns  
Full  
Full  
IV  
IV  
10.3  
15.1  
12.3  
17.1  
ns  
ns  
15.9  
tE_FL  
tE_RL  
tH_E  
tS_E  
Full  
Full  
Full  
IV  
IV  
IV  
3.8  
3.0  
3.0  
5.5  
4.3  
4.3  
9.2  
6.4  
6.4  
ns  
ns  
ns  
tENC − tE_FL  
9.8  
19.4  
Full  
Full  
IV  
IV  
6.2  
15.9  
11.6  
21.2  
ns  
ns  
Rev. D | Page 4 of 24  
 

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