HSDC-JAKIT1W2/DB NXP Semiconductors, HSDC-JAKIT1W2/DB Datasheet - Page 36

• Manufacturer Part Number: HSDC-JAKIT1W2/DB
• Description: DAC/ADC LATTICE KIT
• Manufacturer: NXP Semiconductors
• Series: -r

Specifications of HSDC-JAKIT1W2/DB

• Main Purpose: Interface, ADC/DAC for Lattice ECP3 FPGA
• Embedded: Yes, FPGA / CPLD
• Utilized Ic / Part: ADC1413D, DAC1408D, ECP3 FPGA
• Primary Attributes: Loop Back Demo with 2 High Speed Converters
• Secondary Attributes: USB Powered
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 568-6898

NXP Semiconductors
DAC1408D650
Product data sheet
10.13.3 AC interface to an Analog Quadrature Modulator (AQM)
When the AQM common mode voltage is close to ground, the DAC1408D650 must be
AC-coupled and the auxiliary DACs are needed for offset correction.
Figure 25
with a common-mode input level (V
Fig 25. Example of an AC interface connection to an AQM with a V
using auxiliary DACs
is an example of an AC interface with the auxiliary DACs connected to an AQM
IOUTnN
IOUTnP
AUXnN
AUXnP
All information provided in this document is subject to legal disclaimers.
(1)
(1)
(2)
0 mA to 20 mA
Rev. 4 — 26 November 2010
1.1 mA (typ.)
IOUTnP/IOUTnN; V
BBP/BBN; V
V
66.5 Ω
DDA(3V3)
i(cm)
66.5 Ω
= 0.5 V; V
i(cm)
o(cm)
10 nF
10 nF
) of 0.5 V.
= 2.65 V; V
2, 4 or 8 interpolating DAC with JESD204A
i(dif)(p-p)
2 kΩ
174 Ω
34 Ω
= 1.96 V; offset correction up to 70 mV
o(dif)(p-p)
5 V
2 kΩ
174 Ω
34 Ω
= 1.96 V
DAC1408D650
BBP
BBN
AQM (V
(2)
i(cm)
i(cm)
001aaj589
= 0.5 V)
of 0.5 V when
© NXP B.V. 2010. All rights reserved.
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