Datasheet AD7724 (Analog Devices) - 6
| 制造商 | Analog Devices |
| 描述 | Dual, 7th-Order, Sigma-Delta Modulator |
| 页数 / 页 | 17 / 6 — AD7724. ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. AGND. REF2A. REF1. … |
| 修订版 | B |
| 文件格式/大小 | PDF / 322 Kb |
| 文件语言 | 英语 |
AD7724. ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. AGND. REF2A. REF1. AVDD. REF2B. 48 47 46 45 44 43 42 41 40 39 38 37. AVDD 1. 36 AVDD
该数据表的模型线
文件文字版本
AD7724 ABSOLUTE MAXIMUM RATINGS
*
PIN CONFIGURATION
(TA = 25°C unless otherwise noted) DVDD to DGND . –0.3 V to +7 V AVDD to AGND . –0.3 V to +7 V
NC NC AGND REF2A AGND REF1 AVDD NC REF2B AGND NC NC
AVDD to DVDD . –1 V to +1 V
48 47 46 45 44 43 42 41 40 39 38 37
AGND to DGND . –0.3 V to +0.3 V
AVDD 1 36 AVDD
Digital Inputs to DGND . –0.3 V to DVDD + 0.3 V
PIN 1 AGND 2 IDENTIFIER 35 AGND
Digital Outputs to DGND . –0.3 V to DVDD + 0.3 V
AVIN(–) 3 34 BVIN(–)
VIN(+), VIN(–) to AGND . –0.3 V to AVDD + 0.3 V
NC 4 33 NC
REF1 to AGND . –0.3 V to AVDD + 0.3 V
AVIN(+) 5 32 BVIN(+) AD7724 AGND 6 31 AGND
REF2 to AGND . –0.3 V to AVDD + 0.3 V
TOP VIEW AVDD 7 30 AVDD
REFIN to AGND . –0.3 V to AVDD + 0.3 V
(Not to Scale) NC 8 29 NC
Operating Temperature Range . –40°C to +85°C
STBY 9 28 GC
Storage Temperature Range . –65°C to +150°C
10 MZERO 27 BIP 11
Junction Temperature . 150°C
RESET 26 XTAL_OFF
θ
NC 12 25 NC
JA Thermal Impedance . 75°C/W Lead Temperature, Soldering
13 14 15 16 17 18 19 20 21 22 23 24
Vapor Phase (60 sec) . 215°C
NC = NO CONNECT NC NC SCLK DVAL
Infrared (15 sec) . 220°C
XTAL1 DVDD DGND DGND ADATA BDATA DVDD1
*Stresses above those listed under Absolute Maximum Ratings may cause perma-
XTAL1/MCLK
nent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions above those listed in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
ORDERING GUIDE Temperature Package Package Model Range Description Option
AD7724AST –40°C to +85°C 48-Lead Plastic Thin Quad Flatpack (LQFP) ST-48
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
WARNING!
accumulate on the human body and test equipment and can discharge without detection. Although the AD7724 features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD
ESD SENSITIVE DEVICE
precautions are recommended to avoid performance degradation or loss of functionality. REV. B –5–
*
PIN CONFIGURATION
(TA = 25°C unless otherwise noted) DVDD to DGND . –0.3 V to +7 V AVDD to AGND . –0.3 V to +7 V
NC NC AGND REF2A AGND REF1 AVDD NC REF2B AGND NC NC
AVDD to DVDD . –1 V to +1 V
48 47 46 45 44 43 42 41 40 39 38 37
AGND to DGND . –0.3 V to +0.3 V
AVDD 1 36 AVDD
Digital Inputs to DGND . –0.3 V to DVDD + 0.3 V
PIN 1 AGND 2 IDENTIFIER 35 AGND
Digital Outputs to DGND . –0.3 V to DVDD + 0.3 V
AVIN(–) 3 34 BVIN(–)
VIN(+), VIN(–) to AGND . –0.3 V to AVDD + 0.3 V
NC 4 33 NC
REF1 to AGND . –0.3 V to AVDD + 0.3 V
AVIN(+) 5 32 BVIN(+) AD7724 AGND 6 31 AGND
REF2 to AGND . –0.3 V to AVDD + 0.3 V
TOP VIEW AVDD 7 30 AVDD
REFIN to AGND . –0.3 V to AVDD + 0.3 V
(Not to Scale) NC 8 29 NC
Operating Temperature Range . –40°C to +85°C
STBY 9 28 GC
Storage Temperature Range . –65°C to +150°C
10 MZERO 27 BIP 11
Junction Temperature . 150°C
RESET 26 XTAL_OFF
θ
NC 12 25 NC
JA Thermal Impedance . 75°C/W Lead Temperature, Soldering
13 14 15 16 17 18 19 20 21 22 23 24
Vapor Phase (60 sec) . 215°C
NC = NO CONNECT NC NC SCLK DVAL
Infrared (15 sec) . 220°C
XTAL1 DVDD DGND DGND ADATA BDATA DVDD1
*Stresses above those listed under Absolute Maximum Ratings may cause perma-
XTAL1/MCLK
nent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions above those listed in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
ORDERING GUIDE Temperature Package Package Model Range Description Option
AD7724AST –40°C to +85°C 48-Lead Plastic Thin Quad Flatpack (LQFP) ST-48
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
WARNING!
accumulate on the human body and test equipment and can discharge without detection. Although the AD7724 features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD
ESD SENSITIVE DEVICE
precautions are recommended to avoid performance degradation or loss of functionality. REV. B –5–