background image

UG-469 

Evaluation Board User Guide 

 

Rev. 0 | Page 18 of 20 

ORDERING INFORMATION 

BILL OF MATERIALS 

Table 7. Motherboard 

Qty 

Reference Designator 

Description 

Supplier

1

/Part Number 

BUF-3, BUF-4, BUF-W1 

2-pin (0.1" pitch) header and shorting shunt 

FEC 1022247 and 150411 

A6, A7, A8 

3-pin SIL header and shorting link 

FEC 1022248 and 150410 

A5, A9, A10, A11, A12 

6-pin (3 × 2), 0.1" header and shorting block 

FEC 672014 and 150411 (36-pin strip) 

J1 

3-pin terminal block (5 mm pitch) 

FEC 151790 

J7, J8 

4-pin SIL header 

FEC 1098035 

J4 

Receptacle, 0.6 mm, 120-way 

Digi-Key H1219-ND 

J10 

8-pin in-line header; 100 mil centers 

FEC 1098038 

J5 

12-pin (2 × 6), 0.1" pitch header 

FEC 1098051 

J2, J3 

2-pin terminal block (5 mm pitch) 

FEC 151789 

17 

R1, R3, R6, R7, R8, R9, R10, R11, R12, 

R13, R20, R22, R23, R34, R35, R42, 
R43 

SMD resistor, 0 Ω, 0.01, 0603 

FEC 9331662 

R2 

SMD resistor, 2.2 kΩ, 0.01, 0603 

FEC 1750676 

R41 

SMD resistor, 1.7 kΩ, 1% ,0603 

FEC 1170811 

R21 

Resistor, surge, 1.6 Ω, 1%, 0603 

FEC 1627674 

R38 

SMD resistor, 2.7 kΩ, 1%, 0603 

FEC 1750678 

R14 

SMD resistor, 100 Ω, 1%, 0603 

FEC 9330364 

R4 

SMD resistor, 1 kΩ, 0.01, 0603 

FEC 9330380 

R5, R25, R26 

SMD resistor, 100 kΩ, 1%, 0603 

FEC 9330402 

R15, R16, R17, R18, R19 

SMD resistor, 33 kΩ, 1%, 0603 

FEC 9331034 

C1 

SMD capacitor, 100 nF, 10%, 0805 

FEC 1650863 

C4, C9, C10, C11, C12, C17, C19, C21  SMD capacitor, 0.1 µF, ±10%, 0603 

FEC 1759122 

C2, C6, C7, C14 

SMD capacitor, 0.1 µF, ±10%, 0603 

FEC 3019482 

C8, C13 

SMD capacitor, 10 µF, ±10% 

FEC 197130 

C18, C20, C22, C5 

Capacitor, 10 µF, ±20% 

FEC 1190107 

C3, C15 

Capacitor, 470 nF, ±10%, 0603 

FEC 1414037 

C16 

Capacitor, 4.7 nF, ±10%, 0603 

FEC 1414642 

C34 

Capacitor, 4.7 nF, ±20% 

FEC 1432350 

L2 

Inductor, SMD, 600Z 

FEC 9526862 

D1 

Green SMD LED 

FEC 5790852 

U1 

Two-port level translating bus switch 

ADG3247BCPZ 

U2 

Dual op amp 

AD8652ARZ 

U3 

Precision low dropout voltage regulator 

ADP3303ARZ-3.3 

U4 

Operational amplifier 

AD8618ARZ 

U5 

I

2

C serial EEPROM 64k 2.5 V MSOP-8 

FEC 1331335 

18 

LRDAC, RESET, SYNC, WP, A1, A2, 
A3, A4, AGND, B1, VOUT_C1, 
VOUT_C2, VOUT3, VOUT4, W1, W2, 
W3, W4 

Terminal, PCB, black, PK100, test point 

FEC 8731128 

+3.3V , +5V, EXT_VDD, VLOGIC, 
EXT_VSS 

Terminal, PCB, red, PK100, test point 

FEC 8731144 

 

1

 FEC refers to Farnell Electronic Component Distributors; Digi-Key refers to Digi-Key Corporation. 

 

Содержание UG-469

Страница 1: ...memory digital potentiometer With versatile programmability the AD5144 allows multiple modes of operation including read write access in the RDAC and EEMEM registers increment decrement of resistance...

Страница 2: ...nd SDP S 1 Revision History 2 Evaluation Board Hardware 3 Power Supplies 3 Digital Interface 3 Test Circuits 4 Evaluation Board Software 8 Installing the Software 8 Software Operation 10 Evaluation Bo...

Страница 3: ...SDZ motherboard and should be set up before using the board Table 2 describes the positions of the links to control the evaluation board via the SDP board using a PC The functions of these link option...

Страница 4: ...is the voltage applied to the B terminal A10 link However by using the R34 and R35 external resistors the user can reduce the voltage of the voltage references In this case use the A1 and B1 test poi...

Страница 5: ...Signal Attenuation Link Options Voltage Supply Maximum AC Signal Amplitude Link Options Conditions Single VDD A9 AC No dc offset voltage the ac signal is outside the voltage supply rails due to the dc...

Страница 6: ...oninverting Amplifier R43 and R42 can be used to set the maximum and minimum gain limits The inverting amplifier with linear gain is shown in Figure 6 and the gain is defined in Equation 5 Note that t...

Страница 7: ...ifier Selection Link Options Amplifier Gain Linear Setting Gain Mode Enabled Link Label Noninverting Linear Yes A7 LIN A6 N INV A8 N INV Pseudologarithmic No A7 LOG A6 N INV A8 N INV Inverting Linear...

Страница 8: ...the evaluation board as described in the Power Supplies section 4 Connect the EVAL AD5144DBZ and EVAL MB LV SDZ to the SDP board and then connect the SDP board to the PC using the USB cable included w...

Страница 9: ...Evaluation Board User Guide UG 469 Rev 0 Page 9 of 20 11006 022 Figure 11 EVAL AD5144DBZ Software Main Window...

Страница 10: ...ou to send quick commands directly to the AD5144 The INDIVIDUAL CHANNEL COMMANDS section allows you to send quick commands to only specific channels of the AD5144 The block diagram allows you to updat...

Страница 11: ...Evaluation Board User Guide UG 469 Rev 0 Page 11 of 20 EVALUATION BOARD SCHEMATICS AND ARTWORK MOTHERBOARD 11006 012 Figure 13 SDP Connector and Power Supply...

Страница 12: ...UG 469 Evaluation Board User Guide Rev 0 Page 12 of 20 11006 013 Figure 14 Schematic of Test Circuits...

Страница 13: ...Evaluation Board User Guide UG 469 Rev 0 Page 13 of 20 11006 014 Figure 15 Schematic of Connectors to Daughter Board...

Страница 14: ...n Board User Guide Rev 0 Page 14 of 20 11006 015 Figure 16 Component Side View of Motherboard 11006 016 Figure 17 Component Placement Drawing of Motherboard 11006 017 Figure 18 Layer 2 Side PCB Drawin...

Страница 15: ...5 6 7 12 13 14 15 16 18 17 19 22 21 23 24 20 1 8 J1 1 J1 2 J1 3 J1 4 J1 5 J1 6 J1 8 J1 7 ADDR0 ADDR1 SDA J3 1 J3 2 J3 3 J3 4 J3 5 J2 1 J2 3 J2 5 J2 7 J2 11 J2 9 J2 2 J2 4 J2 6 J2 8 J2 12 J2 10 A1 W1...

Страница 16: ...UG 469 Evaluation Board User Guide Rev 0 Page 16 of 20 11006 019 Figure 20 Component Side View of Daughter Board 11006 020 Figure 21 Component Placement Drawing of Daughter Board...

Страница 17: ...Evaluation Board User Guide UG 469 Rev 0 Page 17 of 20 11006 021 Figure 22 Layer 2 Side PCB Drawing of Daughter Board...

Страница 18: ...R14 SMD resistor 100 1 0603 FEC 9330364 1 R4 SMD resistor 1 k 0 01 0603 FEC 9330380 3 R5 R25 R26 SMD resistor 100 k 1 0603 FEC 9330402 5 R15 R16 R17 R18 R19 SMD resistor 33 k 1 0603 FEC 9331034 1 C1...

Страница 19: ...e quad SPDT switch ADG774BRQZ 3 A1 ADDR0 ADDR1 3 pin SIL header and shorting link FEC 1022248 and 150410 2 C2 C4 6 3 V tantalum capacitor Case A 10 F 20 FEC 1190107 2 C1 C3 50 V X7R ceramic capacitor...

Страница 20: ...se or transfer any portion of the Evaluation Board to any other party for any reason Upon discontinuation of use of the Evaluation Board or termination of this Agreement Customer agrees to promptly re...

Отзывы: