Texas Instruments DAC7562EVM, Руководство пользователя

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Schematics and Layout
7 Schematics and Layout
Schematics for the DAC8562EVM are appended to this user's guide. Figure 3 and Figure 4 are the printed
circuit board (PCB) layouts. The bill of materials is provided in Table 5 .
7.1 Bill of Materials
NOTE: All components should be compliant with the European Union Restriction on Use of
Hazardous Substances (RoHS) Directive. Some part numbers may be either leaded or
RoHS. Verify that purchased components are RoHS-compliant. (For more information about
TI's position on RoHS compliance, see the
Quality and Eco-Info information on the TI web
site .)
Table 5. Bill of Materials
Item No. Qty Ref Des Description Vendor Part Number
1 3 C1, C2, C11 Capacitor, ceramic, 10 μ F, 6.3V X5R 0603 Murata GRM188R60J106ME47D
2 1 C3 Capacitor, ceramic, 22 μ F, 6.3V 20% X5R Murata GRM21BR60J226ME39L
0805
3 3 C4, C5, C6 Capacitor, ceramic, 0.1 μ F, 16V 10% X7R Murata GRM188R71C104KA01D
0603
4 4 C7, C10, C12, C13 Not installed — —
5 1 C8 Capacitor, ceramic, 1.0
μ
F, 16V 10% X5R Murata GRM188R61C105KA93D
0603
6 1 C9 Capacitor, ceramic, 2.2 μ F, 10V 20% X5R Murata GRM188R61A225ME34D
0603
7 2 J1A, J2A (Top Side) 10-pin, dual row, SM header (20 Pos.) Samtec TSM-110-01-T-DV-P
8 2 J1B, J2B (Bottom Side) 10-pin, dual row, SM header (20 Pos.) Samtec SSW-110-22-F-D-VS-K
9 1 J3A (Top Side) 5-pin, dual row, SM header (10 Pos.) Samtec TSM-105-01-T-DV-P
10 1 J3B (Bottom Side) 5-pin, dual row, SM header (10 Pos.) Samtec SSW-105-22-F-D-VS-K
11 2 JP1, JP2 Header strip, 2 pin (1x2) Samtec TSW-102-07-L-S
12 4 JP3, JP4, JP5, JP6 Header strip, 3 pin (1x3) Samtec TSW-103-07-L-S
13 3 R1, R2, R10 Resistor, 10k Ω 1/10W 5% 0603 SMD Panasonic ERJ-3GEYJ103V
14 2 R3, R6 Resistor, 0 Ω 1/10W 5% 0603 SMD Panasonic ERJ-3GEY0R00V
15 1 R4 Resistor, 0.47
Ω
1/10W 5% 0603 Panasonic ERJ-3RQJR47V
16 1 R5 Resistor, 2.0k Ω 1/10W 5% 0603 SMD Panasonic ERJ-3GEYJ202V
17 4 R7, R8, R9, R11 Resistor, 33 Ω 1/10W 5% 0603 SMD Panasonic ERJ-3GEYJ330V
18 4 R12, R13, R14, R15 Not installed — —
19 3 TP1, TP3, TP5 Test Point, Single .025 pin, red Keystone 5000
20 2 TP2, TP4 Test Point, Single .025 pin, black Keystone 5001
12-bit, dual-channel, high-precision DAC,
10-pin QFN
DAC7562SDSC or
21 1 U1 Texas Instruments
DAC8562SDSC
(1)
16-bit, dual-channel, high-precision DAC,
10-pin QFN
22 1 U2 Precision voltage reference 2.5V, 8-SOIC Texas Instruments REF5025ID
23 1 U3 IC Op Amp GP R-R 90kHz, SOT23-5 Texas Instruments OPA379AIDBVT
24 1 U4 Not installed
— —
25 7 N/A 0.100 Shunt, black Samtec SNT-100-BK-T
(1)
The device installed at location U1 depends on the EVM purchased.
9 SBAU183A – May 2011 – Revised June 2011 DAC7562EVM, DAC8562EVM
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