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參數資料
| 型號： | AD7654AST |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | ADC |
| 英文描述： | Dual 2-Channel Simultaneous Sampling SAR 500 kSPS 16-Bit ADC |
| 中文描述： | 4-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, PQFP48 |
| 封裝： | MS-026-BBC, LQFP-48 |
| 文件頁數： | 5/24頁 |
| 文件大小： | 734K |
| 代理商： | AD7654AST |
REV. 0
AD7654
–5–
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 the
AD7654 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.
ABSOLUTE MAXIMUM RATINGS
1
Analog Input
INAx
2
, INBx
2
, REFx, INxN, REFGND . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . AGND – 0.3 V to AVDD + 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 Dissipation
3
. . . . . . . . . . . . . . . . . . . . .700 mW
Internal Power Dissipation
4
. . . . . . . . . . . . . . . . . . . . . . .2.5 W
ORDERING GUIDE
Model
Temperature Range
–40
°
C to +85
°
C
–40
°
C to +85
°
C
–40
°
C to +85
°
C
–40
°
C to +85
°
C
Package Description
Package Option
AD7654AST
AD7654ASTRL
AD7654ACP
AD7654ACPRL
EVAL-AD7654CB
1
EVAL-CONTROL BRD2
2
Quad Flatpack (LQFP)
Quad Flatpack (LQFP)
Chip Scale Package (LFCSP)
Chip Scale Package (LFCSP)
Evaluation Board
Controller Board
ST-48
ST-48
CP-48
CP-48
NOTES
1
This board can be used as a standalone evaluation board or in conjunction with the EVAL-CONTROL BRD2 for evaluation/demonstration purposes.
2
This board allows a PC to control and communicate with all Analog Devices evaluation boards ending in the CB designators.
TO OUTPUT
PIN
C
L
60pF
*
500 A
I
OH
1.6mA
I
OL
1.4V
*
IN SERIAL INTERFACE MODES, THE SYNC, SCLK, AND
SDOUT TIMINGS ARE DEFINED WITH A MAXIMUM LOAD
C
L
OF 10pF; OTHERWISE, THE LOAD IS 60pF MAXIMUM.
Figure 1. Load Circuit for Digital Interface Timing,
SDOUT, SYNC, SCLK Outputs, C
L
= 10 pF
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . 150
°
C
Storage Temperature Range . . . . . . . . . . . . .–65
°
C to +150
°
C
Lead Temperature Range
(Soldering 10 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . 300
°
C
NOTES
1
Stresses above those listed under Absolute Maximum Ratings may cause perma-
nent 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.
2
See Analog Input section.
3
Specification is for device in free air: 48-Lead LQFP:
= 91
°
C/W,
= 30
°
C/W.
4
Specification is for device in free air: 48-Lead LFCSP:
JA
= 26
°
C/W.
0.8V
2V
2V
0.8V
t
DELAY
2V
0.8V
t
DELAY
Figure 2. Voltage Reference Levels for Timing
相關PDF資料 |
PDF描述 |
|---|---|
| AD7654ASTRL | Dual 2-Channel Simultaneous Sampling SAR 500 kSPS 16-Bit ADC |
| AD7655 | Low Cost 4-Channel 1 MSPS 16-Bit ADC |
| AD7655ACP | Low Cost 4-Channel 1 MSPS 16-Bit ADC |
| AD7655ACPRL | Low Cost 4-Channel 1 MSPS 16-Bit ADC |
| AD7655AST | Low Cost 4-Channel 1 MSPS 16-Bit ADC |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AD7654ASTRL | 制造商:Analog Devices 功能描述:ADC Single SAR 500ksps 16-bit Parallel/Serial 48-Pin LQFP T/R |
| AD7654ASTZ | 功能描述:IC ADC 16BIT 500KSPS DUAL 48LQFP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:PulSAR® 標準包裝:1 系列:microPOWER™ 位數:8 采樣率（每秒）:1M 數據接口:串行，SPI? 轉換器數目:1 功率耗散（最大）:- 電壓電源:模擬和數字 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:24-VFQFN 裸露焊盤 供應商設備封裝:24-VQFN 裸露焊盤（4x4） 包裝:Digi-Reel® 輸入數目和類型:8 個單端，單極 產品目錄頁面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6 |
| AD7654ASTZ | 制造商:Analog Devices 功能描述:IC 16BIT ADC SMD 7654 LQFP48 |
| AD7654ASTZRL | 功能描述:IC ADC 16BIT DUAL 2CH 48LQFP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:PulSAR® 標準包裝:1,000 系列:- 位數:12 采樣率（每秒）:300k 數據接口:并聯 轉換器數目:1 功率耗散（最大）:75mW 電壓電源:單電源 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:24-SOIC（0.295"，7.50mm 寬） 供應商設備封裝:24-SOIC 包裝:帶卷 (TR) 輸入數目和類型:1 個單端，單極；1 個單端，雙極 |
| AD7655 | 制造商:AD 制造商全稱:Analog Devices 功能描述:14-Bit, 1 MSPS, Differential, Programmable Input PulSAR ADC |
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