SLAU150A December   2004  – October 2021 ADS7881 , ADS7891

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 Features
    2. 1.2 Analog Interface
      1. 1.2.1 Signal Conditioning
      2. 1.2.2 Reference
    3. 1.3 Digital Interface
    4. 1.4 Power Supplies
  3. 2Using the EVM
  4. 3ADS78x1EVM Bill of Materials
  5. 4ADS78x1EVM Layout
  6. 5ADS78x1EVM Schematics
  7. 6Revision History

3 ADS78x1EVM Bill of Materials

Table 3-1 contains a complete bill of materials (BOM) for the ADS78x1EVM. The schematic diagrams are also provided for reference in Section 5.

Table 3-1 Bill of Materials
Item No. Qty. Value Reference
Designators		 Footprint Manufacturer Manufacturer's
Part Number		 Description
1 2 21 R1 R12 805 Panasonic-ECG or Alternate ERJ-6ENF21R RES, 21.0 Ω, 1/10W, 1% 0805 SMD
2 3 NI R2 R5 R11 805 Not installed Not installed
3 1 NI R3 603 Not installed Not installed 1/10W, 0805 Chip Resistor
4 3 100 R4 R14 R15 805 Panasonic-ECG or Alternate ERJ-6ENF1000V RES, 100 Ω, 1/10W, 1%, 0805 SMD
5 2 604 R6 R10 805 Panasonic-ECG or Alternate ERJ-6ENF6040V RES, 604 Ω, 1/10W, 1%, 0805 SMD
6 6 10k R7 R16 R17 R18 R19 R20 603 Panasonic-ECG or Alternate ERJ-3EKF1002V RES, 10.0 kΩ, 1/16W, 1%, 0603 SMD
7 1 49.9 R8 1206 Panasonic-ECG or Alternate ERJ-8ENF49R9V RES, 49.9 Ω, 1/8W, 1%, 1206 SMD
8 1 49.9k R9 805 Panasonic-ECG or Alternate ERJ-6ENF4992V RES, 49.9 kΩ, 1/10W, 1%, 0805 SMD
9 1 12 R13 805 Panasonic-ECG or Alternate ERJ-6GEYJ120V RES, 12 Ω, 1/8W, 5%, 0805 SMD
1 10 R13(1) 805 Yageo America or Alternate 9C08052A10R0FKHFT RES, 10 Ω, 1/8W, 1%, 0805 SMD
10 1 75 R21 805 Panasonic-ECG or Alternate ERJ-6ENF75R0V RES, 75.0 Ω, 1/10W, 1%, 0805 SMD
11 1 0 R24 603 Panasonic-ECG or Alternate ERJ-3GEY0R00V RES, 0 Ω, 1/16W, 5%, 0603 SMD
12 1 10k R22 805 Panasonic-ECG or Alternate ERJ-6ENF1002V RES, 10.0 kΩ, 1/10W, 1%, 0805 SMD
13 1 10k R25 BOURNS_ 32×4W Bourns 3214W-1-103E TRIMPOT, 10 kΩ, 4MM TOP ADJ SMD
14 4 10 µF C1 C6 C12 C19 1206 TDK Corporation or Alternate C3216X5R1C106KT CAP, CER, 10 µF, 16V, X5R, 20%, 1206
15 2 1 µF C2 C28 603 TDK Corporation or Alternate C1608X5R1C105K CAP, CER, 1.0 µF, 16V, X5R, 10%, 0603
16 5 1000 pF C3 C5 C11 C16 C23 603 TDK Corporation or Alternate C1608C0G1H102J CAP, CER, 1000 pF, 50V, C0G, 5%, 0603
17 13 0.01 µF C4 C10 C13 C20 C21C26 C41 C44 C46 C48 C50 C53 C56 603 TDK Corporation or Alternate C1608X7R1H103KT CAP, CER, 10000 pF, 50V, X7R, 10%, 0603
18 4 0.1 µF C7 C15 C32 C36 805 TDK Corporation or Alternate C1608X7R1E104K CAP, CER, 0.10 µF, 25V X7R, 10%, 0603
19 8 2.2 µF C8 C40 C42 C47 C51 C52 C54 C55 603 TDK Corporation or Alternate C1608X5R1A225MT CAP, CER, 2.2 µF, 6.3V, X5R, 20%, 0603
20 9 0.1 µF C9 C18 C22 C25 C38 C43 C57 C58 C62 603 TDK Corporation or Alternate C1608X7R1E104K CAP, CER, 0.10 µF, 25V, X7R 10%, 0603
21 4 10 µF C14 C24 C27 C29 6032 Panasonic-ECG or Alternate ECS-T1EC106R CAP, 10 µF, 25V, TANTALUM, TE, SMD
22 1 22 µF C17 1206 Panasonic-ECG or Alternate C3216XR0J226M CAP, CER, 22 µF, 6.3V X5R, 20%, 1206
1 1500 pF C16(1) 603 TDK Corporation or Alternate C1608C0G1H152J CAP, CER, 1500 pF, 50V, C0G, 5%, 0603
23 4 NI C30 C39 C61 C63 805 NOT INSTALLED NOT INSTALLED Multilayer Ceramic - 0805 Size
24 5 1 µF C31 C33 C37 C59 C60 805 TDK Corporation or Alternate C2012X7R1E105K CAP, CER, 1.0 µF, 25V, X7R, 0805, T/R
25 1 130 pF C35 805 TDK Corporation or Alternate C2012C0G1H131 CAP, CER, 130 pF, 50V 5%, C0G, 0805
26 1 10 µF C49 3528 Kemet or Alternate T491B106K016AS CAP, TANTALUM, 10 µF, 16V 10%, SMD
27 2 1K RP1 RP3 CTS_742 CTS Corporation 742C163102JTR RES ARRAY, 1 kΩ, 16TERM 8RES SMD
28 1 100 RP2 CTS_742 CTS Corporation 742C163101JTR RES ARRAY 100 Ω 16TRM, 8RES SMD
29 4 L1 L2 L3 L4 805 TDK Corporation MMZ2012R601A Ferrite chip, 600 Ω, 500 mA
30 1 U1 8-SOP(D) Texas Instruments OPA132UA DiFet amplifier
31 1 U2 8-SOP(D) Texas Instruments THS4031IDR 100 MHz, low-noise, high-speed amplifier
32 1 NI U3 3-SOT-23 Not installed Not installed REF3040, 50 ppm/–C, 50-A in SOT23-3 CMOS voltage reference
33 1 ADS7881 U4 SOCKET_48 QFPP Texas Instruments ADS7881IPFBT ADS7881, 12-bit, 4 MSPS
ADS7891 U4(1) ADS7891IPFBT ADS7891, 14-bit, 3 MSPS
34 3 SN74AHC245 U5 U6 U7 20-TSSOP(PW) Texas Instruments SN74AHC245PWR Octal bus transceiver, 3-state
35 1 SN74AHC138 U8 16-TSSOP (PW) Texas Instruments SN74AHC138PWR 3-line to 8-line decoder/ demultiplexer
36 1 REF1004-2.5 U9 8-SOP(D) Texas Instruments REF1004-2.5 Micropower voltage reference
37 1 SN74AHC1G04 U12 5-SOT(DBV) Texas Instruments SN74AHC1G04DBVR Single inverter gate
38 2 10×2×0.1 P1 P2 10×2×0.1_SMT_PLUG_& _SOCKET Samtec SSW-110-22-S-D-VS 0.025" SMT socket - bottom side of PWB
39 2 Samtec TSM-107-01-T-D-V-P 0.025" SMT plug - top side of PWB
40 1 Data Bus P3 10×2×0.1_SMT_PLUG_& _SOCKET Samtec SSW-116-22-S-D-VS 0.025" SMT socket - bottom side of PWB
41 1 Samtec TSM-116-01-T-D-V-P 0.025" SMT plug - top side of PWB
42 1 Power Supply J1 5×2×0.1_SMT_SOCKET Samtec SSW-105-22-S-D-VS 0.025" SMT socket - bottom side of PWB
43 1 Samtec TSM-105-01-T-D-V-P 0.025" SMT plug - top side of PWB
44 1 SMA_PCB_MT J2 SMA_JACK Johnson Components Inc. 142-0701-301 Right angle SMA connector
45 1 7×2×0.1 J3 7×2×0.1_SMT_PLUG_&_ SOCKET Samtec SSW-107-22-S-D-VS 0.025" SMT socket - bottom side of PWB
46 1 Samtec TSM-107-01-T-D-V-P 0.025" SMT plug - top side of PWB
47 1 SW-PB S1 EVQ-PJ Panasonic EVQ-PJU04K switch
48 5 W1 W2 W3 W4 W5 3POS_JUMPER Samtec TSW-103-07-L-S 3 Position jumper _ 0.1" spacing
49 1 SJP2 SJP5 SJP2 Not installed Not installed Pad 2 position jumper
50 5 SJP3 SJP1 SJP2 SJP4 SJP6 SJP7 SJP3 Not installed Not installed Pad 3 position jumper
51 1 TO_0.025 TP1 test_point2 Keystone Electronics 5002K-ND Test point, PC, mini 0.040" D, white
52 10 TO_0.025 TP3 TP4 TP6 TP8 TP9 TP10 TP11 TP12 TP14 TP15 test_point2 Keystone Electronics 5000K-ND Test point, PC, mini 0.040" D, red
53 4 TO_0.025 TP5 TP7 TP2 TP13 test_point2 Keystone Electronics 5001K-ND Test point, PC, mini 0.040" D, black
(1) Used for the ADS7891EVM only.