Analog Devices EVAL-ADM8832 Скачать руководство пользователя страница 4

EVAL-ADM8832 

 

 

Rev. 0 | Page 4 of 8 

SETTING UP THE ADM8832 EVALUATION BOARD 

Scanning Mode 

To set up the ADM8832 evaluation board in scanning mode, 
use the following steps: 

1.

 

Connect the scanning mode load resistors. 

2.

 

+5VOUT—Connect R1 (insert LK1A, remove LK1C/LK1D) 

3.

 

+15VOUT—Connect R4 (insert LK5A ) 

4.

 

−10VOUT—Connect R6 (insert LK4A ) 
Note that all other load resistors should be disconnected by 
removing their links (see Table 3). 

5.

 

Connect VOUT to the ADM8832 LDO (insert LK2A, 
remove LK2B). 

6.

 

Use 3.3 V logic levels for logic inputs. 

7.

 

Connect the following jumpers: 
SHDN—Insert LK8A, remove LK8B 
LDO_ON/OFF—Insert LK7A, remove LK7B 
SCAN/BLANK—Insert LK9A, remove LK9B 

8.

 

CLKIN—Connect the SMB cable to SK1. 
Note that an external clock is not required to be applied to 
CLKIN (Pin 9) in this mode. 

9.

 

Apply a 3 V supply to J1. 

 

Blanking Mode 

To set up the ADM8832 evaluation board in blanking mode, 
use the following steps: 

1.

 

Connect the blanking mode load resistors. 

2.

 

+5VOUT—Connect R3 (insert LK1C, remove LK3A/LK3B) 

3.

 

+15VOUT—Connect R5 (insert LK5B) 

4.

 

−10VOUT—Connect R7 (insert LK4B) 
Note that all other load resistors should be disconnected by 
removing their links (see Table 3). 

5.

 

Connect VOUT to the ADM8832 LDO (insert LK2A, 
remove LK2B). 

6.

 

Use 3.3 V logic levels for logic inputs. 

7.

 

Connect the following jumpers: 
SHDN—Insert LK8A, remove LK8B 
LDO_ON/OFF—Insert LK7A, remove LK7B 
SCAN/BLANK—Insert LK9B, remove LK9A (The signal 
must be low for blanking mode.) 

8.

 

CLKIN—Connect the SMB cable to SK1. 
Note that an external clock must be applied to CLKIN  
(Pin 9) in this mode. The frequency of this clock is 
nominally 1 kHz (refer to the ADM8832 data sheet for 
more details). 

9.

 

Apply a 3 V supply to J1. 

 

 

Содержание EVAL-ADM8832

Страница 1: ...ers Evaluationboardsarenotauthorizedtobeusedinlifesupportdevicesorsystems One Technology Way P O Box 9106 Norwood MA 02062 9106 U S A Tel 781 329 4700 www analog com Fax 781 461 3113 2008 Analog Devices Inc All rights reserved FEATURES Provides 3 output voltages 5 1 V 15 3 V 10 2 V from one 3 V input supply Power efficiency optimized for use with TFT in mobile phones On board socket for evaluation...

Страница 2: ...ctional Block Diagram 1 Revision History 2 Evaluation Board Hardware 3 Evaluation Board Connectors and Jumpers 3 Setting Up the ADM8832 Evaluation Board 4 Evaluation Board Schematic 5 Ordering Information 6 Bill of Materials 6 Ordering Guide 6 ESD Caution 6 REVISION HISTORY 6 08 Revision 0 Initial Version ...

Страница 3: ... 4 to 1 kΩ resistor R2 to GND This generates a load current of 5 mA Removed LK1C Connects 5VOUT Pin 4 to 24 9 kΩ resistor R3 to GND This generates a maximum blanking mode load current of 200 μA Removed LK2A Connects VOUT Pin2 to LDO_IN Pin 3 Inserted LK2B Connects external source J2 to LDO_IN Pin 3 Removed LK3A Connects CLKIN Pin 9 to VCC Removed LK3B Connects CLKIN Pin 9 to GND Removed LK3C Conne...

Страница 4: ...uired to be applied to CLKIN Pin 9 in this mode 9 Apply a 3 V supply to J1 Blanking Mode To set up the ADM8832 evaluation board in blanking mode use the following steps 1 Connect the blanking mode load resistors 2 5VOUT Connect R3 insert LK1C remove LK3A LK3B 3 15VOUT Connect R5 insert LK5B 4 10VOUT Connect R7 insert LK4B Note that all other load resistors should be disconnected by removing their ...

Страница 5: ...EVAL ADM8832 Rev 0 Page 5 of 8 EVALUATION BOARD SCHEMATIC 07156 002 U1 ADM8832ACP LK4 R6 R7 1M LK5 R4 R5 1 5M LK3 SK1 LK9 LK1 24 9k R1 R2 R3 Figure 2 ADM8832 Evaluation Board Schematic ...

Страница 6: ...7 6 C2 to C4 C8 to C9 Capacitor 1 μF 50 V 1206 X7R TDK C3216X7R1H105M 5 C1 C5 to C7 Capacitor 2 2 μF 25 V 1206 X7R TDK C3216X5R1E225K 1 R1 Resistor 620 Ω 0805 1 Yageo RC0805FR 07620RL 1 R2 Resistor 1 kΩ 0805 1 Yageo RC0805FR 071KL 1 R3 Resistor 24 9 kΩ 0805 1 Yageo RC0805FR 0725KL 1 R4 Resistor 150 kΩ 0805 1 Yageo RC0805FR 07150L 1 R5 Resistor 1 5 MΩ 0805 1 Yageo RC0805FR 071M5L 1 R6 Resistor 100 ...

Страница 7: ...EVAL ADM8832 Rev 0 Page 7 of 8 NOTES ...

Страница 8: ...EVAL ADM8832 Rev 0 Page 8 of 8 NOTES 2008 Analog Devices Inc All rights reserved Trademarks and registered trademarks are the property of their respective owners EB07156 0 6 08 0 ...

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