HI5628EVAL1 Intersil, HI5628EVAL1 Datasheet
HI5628EVAL1
Specifications of HI5628EVAL1
Related parts for HI5628EVAL1
HI5628EVAL1 Summary of contents
Page 1
... Application Note Description The HI5628EVAL1 evaluation board provides a quick and easy method for evaluating the HI5628IN, 125MSPS Dual 8- Bit, DAC member. Each converter outputs a current into a load resistor to form a voltage which can be measured by using the included SMA connectors. The amount of current out of the DAC is determined by an external resistor and either an internal or external reference voltage ...
Page 2
Functional Description Overview The evaluation board is configured to be interfaced using a VME connector. The data input lines are tied together using small, zero ohm resistors on the back side of the board (QD0 is tied to ID0, continued ...
Page 3
Differential Output The board is also configured with the following transformer output which will result in an output voltage amplitude that is twice that Req, where Req is the equivalent OUT resistive loading seen by the current ...
Page 4
... The HSP45116 NCOM generates two, 16-bit channels of data. HI5628EVAL1 is designed so that both of its input channels mate with both of the DSP’s output channels. The zero ohm resistors that connect the I and Q channels together on the DAC eval board must be removed before using the HSP45116 evaluation board ...
Page 5
... HI5628EVAL1 DAC MODULE HI5628 I CHANNEL Q CHANNEL 50Ω ...
Page 6
Appendix B Pin Descriptions PIN NO. PIN NAME 39-32 QD7 (MSB) Through QD0 (LSB) 1-5, 48-46 ID7 (MSB) Through ID0 (LSB) 8 SLEEP 15 REFLO 23 REFIO 22 FSADJ 14, 24 ICOMP1, QCOMP1 13, 18, 19, 25 AGND 17 IOUTB ...
Page 7
Appendix C Circuit Board Layout 7 Application Note 9840 FIGURE 3. PRIMARY SIDE FIGURE 4. GROUND LAYER (2) ...
Page 8
Appendix C Circuit Board Layout 8 Application Note 9840 (Continued) FIGURE 5. POWER LAYER (3) FIGURE 6. SECONDARY SIDE ...
Page 9
Power Supply Input Circuit FB2 10µH TO DIGITAL POWER PLANE DVDD1 PINS 9, 29, 40, 45 C14 OF THE HI5728 C13 0.1µF 10µF TO DIGITAL GROUND PLANE DGND1 PINS 10, 28, 41 THE HI5728 FB1 10µH TO ANALOG ...
Page 10
VME CONNECTOR ( PIN) R17 C19 NOT P1-83 POPULATED A18 P1-18 POPULATED R12 A17 LSB P1-17 200Ω C17 P1-81 R14 A16 P1-16 200Ω C16 P1-80 R13 A15 P1-15 200Ω C15 P1-79 R19 A14 P1-14 200Ω C14 MSB P1-78 ...
Page 11
Ground Connection RGND 0Ω DIGITAL GROUND PLANE TP2 TP1 ANALOG DIGITAL GROUND GROUND ICOMP1 0Ω R56 IOUTA IOUTB R61 NOTE 2 0Ω QOUTB QOUTA R69 0Ω QCOMP1 0.1µF 0.1µF C10 C4 NOTES: 1. AGND1 and DGND1 are tied together at ...
Page 12
... Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reli- able. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use ...