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ADM1064ACP PDF预览

ADM1064ACP

更新时间: 2024-02-17 21:12:27
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
32页 531K
描述
Super Sequencer with Voltage Readback ADC

ADM1064ACP 数据手册

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Super Sequencer™ with  
Voltage Readback ADC  
ADM1064  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
AUX1 AUX2  
REFIN  
REFOUT REFGND SDA SCL A1  
A0  
Complete supervisory and sequencing solution for up to  
10 supplies  
10 supply fault detectors enable supervision of supplies to  
better than 1% accuracy  
ADM1064  
SMBus  
VREF  
INTERFACE  
5 selectable input attenuators allow supervision:  
Supplies up to 14.4 V on VH  
12-BIT  
SAR ADC  
EEPROM  
Supplies up to 6 V on VP1–4  
5 dual-function inputs, VX1–5:  
High impedance input to supply fault detector with  
thresholds between 0.573 V and 1.375 V  
CONFIGURABLE  
OUTPUT  
DRIVERS  
VX1  
VX2  
VX3  
VX4  
VX5  
PDO1  
PDO2  
PDO3  
PDO4  
PDO5  
PDO6  
DUAL-  
FUNCTION  
INPUTS  
(HV CAPABLE  
OF DRIVING  
GATES OF  
(LOGIC INPUTS  
OR  
SFDs)  
N-CHANNEL FET)  
General-purpose logic input  
SEQUENCING  
ENGINE  
10 programmable output drivers (PDO1–10):  
Open collector with external pull-up  
Push/pull output, driven to VDDCAP or VPn  
Open collector with weak pull-up to VDDCAP or VPn  
VP1  
VP2  
VP3  
VP4  
VH  
PDO7  
PDO8  
PDO9  
CONFIGURABLE  
OUTPUT  
DRIVERS  
PROGRAMMABLE  
RESET  
GENERATORS  
(LV CAPABLE  
OF DRIVING  
LOGIC SIGNALS)  
(SFDs)  
PDO10  
Internally charge-pumped high drive for use with external  
N-FET (PDO1–6 only)  
AGND  
PDOGND  
VDDCAP  
VDD  
ARBITRATOR  
Sequencing engine (SE) implements state machine control of  
PDO outputs:  
GND  
State changes conditional on input events  
Enables complex control of boards  
Power-up and power-down sequence control  
Fault event handling  
Figure 1.  
APPLICATIONS  
Central office systems  
Servers/routers  
Interrupt generation on warnings  
Multivoltage system line cards  
DSP/FPGA supply sequencing  
In-circuit testing of margined supplies  
Watchdog function can be integrated in SE  
Program software control of sequencing through SMBus  
12-bit ADC for readback of all supervised voltages  
2 auxiliary (single-ended) ADC inputs  
Reference input, REFIN, has 2 input options:  
Driven directly from 2.048V ( 0.25%) REFOUT pin  
More accurate external reference for improved ADC  
performance  
Device powered by the highest of VP1–4, VH for improved  
redundancy  
User EEPROM: 256 bytes  
GENERAL DESCRIPTION  
The ADM1064 is a configurable supervisory/sequencing device  
that offers a single-chip solution for supply monitoring and  
sequencing in multiple supply systems. In addition to these  
functions, the ADM1064 integrates a 12-bit ADC which can be  
used to accurately read back up to 12 separate voltages.  
Industry-standard 2-wire bus interface (SMBus)  
Guaranteed PDO low with VH, VPn = 1.2 V  
(continued on Page 3)  
40-lead 6 mm × 6 mm LFCSP and  
48-lead 7 mm × 7 mm TQFP packages  
Rev. 0  
Information furnished by Analog Devices is believed to be accurate and reliable.  
However, no responsibility is assumed by Analog Devices for its use, nor for any  
infringements of patents or other rights of third parties that may result from its use.  
Specifications subject to change without notice. No license is granted by implication  
or otherwise under any patent or patent rights of Analog Devices. Trademarks and  
registered trademarks are the property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
Fax: 781.326.8703  
www.analog.com  
© 2004 Analog Devices, Inc. All rights reserved.  

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