参数资料
型号: AD7655ACPZRL
厂商: Analog Devices Inc
文件页数: 26/28页
文件大小: 0K
描述: IC ADC 16BIT 4CHAN 48LFCSP
标准包装: 2,500
系列: PulSAR®
位数: 16
采样率(每秒): 1M
数据接口: 串行,并联
转换器数目: 1
功率耗散(最大): 135mW
电压电源: 模拟和数字
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 48-VFQFN 裸露焊盘,CSP
供应商设备封装: 48-LFCSP-VQ(7x7)
包装: 带卷 (TR)
输入数目和类型: 2 个差分,单极
配用: EVAL-AD7655CBZ-ND - BOARD EVALUATION FOR AD7655
AD7655
Rev. B | Page 7 of 28
ABSOLUTE MAXIMUM RATINGS
Table 5.
Parameter
Values
Analog Input
INAx1, INBx1, REFx, INxN, REFGND
AVDD + 0.3 V to
AGND 0.3 V
Ground Voltage Differences
AGND, DGND, OGND
±0.3 V
Supply Voltages
AVDD, DVDD, OVDD
–0.3 V to +7 V
AVDD to DVDD, AVDD to OVDD
±7 V
DVDD to OVDD
0.3 V to +7 V
Digital Inputs
0.3 V to DVDD + 0.3 V
Internal Power Dissipation2
700 mW
Internal Power Dissipation3
2.5 W
Junction Temperature
150°C
Storage Temperature Range
65°C to +150°C
Lead Temperature Range
(Soldering 10 sec)
300°C
1 See the Analog Inputs section.
2 Specification is for device in free air: 48-lead LQFP, θJA = 91°C/W,
θJC = 30°C/W.
3 Specification is for device in free air: 48-lead LFCSP, θJA = 26°C/W.
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only; functional operation of the device at these or any
other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
TO OUTPUT
PIN
CL
60pF*
500
μA
IOH
1.6mA
IOL
1.4V
*IN SERIAL INTERFACE MODES, THE SYNC, SCLK, AND
SDOUT TIMINGS ARE DEFINED WITH A MAXIMUM LOAD
CL OF 10pF; OTHERWISE, THE LOAD IS 60pF MAXIMUM.
03536-002
Figure 2. Load Circuit for Digital Interface Timing
0.8V
2V
0.8V
tDELAY
2V
0.8V
tDELAY
03536-003
Figure 3. Voltage Reference Levels for Timing
ESD CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate
on the human body and test equipment and can discharge without detection. Although this product
features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to
high energy electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid
performance degradation or loss of functionality.
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