DAC7725N footprint, schematic symbol and 3D model by Texas Instruments

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PCB Footprints

DAC7725N - Texas Instruments PCB footprint - Plastic Leaded Chip Carrier - Plastic Leaded Chip Carrier - FN (S-PQCC-J28)

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Datasheet Download Datasheet
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Part Number DAC7725N
Manufacturer Texas Instruments
Pin Count 28
Part Category Integrated Circuit
Package Category Plastic Leaded Chip Carrier
Footprint Name Plastic Leaded Chip Carrier - FN (S-PQCC-J28)
Released Date Apr 13, 2015
Last Modified Date Mar 7, 2023 4:10 PM UTC
Pinout / Pin List Click Here (Member Only)

DAC7725N Details

Manufacturer Part Number:
DAC7725N
Brand Name:
Texas Instruments
Rohs Code:
Yes
Part Life Cycle Code:
Obsolete
Part Package Code:
QLCC
Package Description:
LCC-28
Pin Count:
28
HTS Code:
8542.39.00.40
Manufacturer:
Texas Instruments
YTEOL:
0
Analog Output Voltage-Max:
10 V
Analog Output Voltage-Min:
-10 V
Converter Type:
D/A CONVERTER
Input Bit Code:
BINARY
Input Format:
PARALLEL, WORD
JESD-30 Code:
S-PQCC-J28
JESD-609 Code:
e4
Length:
11.51 mm
Linearity Error-Max (EL):
0.0488%
Moisture Sensitivity Level:
3
Negative Supply Voltage-Nom:
-15 V
Number of Bits:
12
Number of Functions:
1
Number of Terminals:
28
Operating Temperature-Max:
85 °C
Operating Temperature-Min:
-40 °C
Package Body Material:
PLASTIC/EPOXY
Package Code:
QCCJ
Package Equivalence Code:
LDCC28,.5SQ
Package Shape:
SQUARE
Package Style:
CHIP CARRIER
Peak Reflow Temperature (Cel):
245
Qualification Status:
Not Qualified
Sample Rate:
0.1 MHz
Seated Height-Max:
4.57 mm
Settling Time-Max:
10 µs
Settling Time-Nom (tstl):
10 µs
Supply Current-Max:
8.5 mA
Supply Voltage-Nom:
15 V
Surface Mount:
YES
Technology:
CMOS
Temperature Grade:
INDUSTRIAL
Terminal Finish:
NICKEL PALLADIUM GOLD
Terminal Form:
J BEND
Terminal Pitch:
1.27 mm
Terminal Position:
QUAD
Time@Peak Reflow Temperature-Max (s):
30
Width:
11.51 mm

DAC7725N Frequently Asked Questions (FAQs)

The recommended power-up sequence is to apply VCC first, followed by AVCC, and then the digital supply (DVCC). This ensures that the analog and digital sections of the device are powered up correctly.
The DAC7725N has a rail-to-rail output stage, but the output voltage range is limited to VOUT = VREF x (D/4096) - 0.1V to VREF - 0.1V, where D is the digital input code and VREF is the reference voltage. Ensure that the output voltage is within this range to avoid saturation or clipping.
Clock jitter can affect the DAC7725N's performance by introducing noise and distortion in the output signal. It is recommended to use a low-jitter clock source and to keep the clock signal path as short as possible to minimize jitter.
To ensure accurate voltage output, ensure that the reference voltage (VREF) is stable and accurate, and that the output voltage is buffered with an op-amp if necessary. Also, ensure that the digital input code is accurate and that the DAC is not operated outside its specified temperature range.
The recommended layout and routing for the DAC7725N involves keeping the analog and digital signal paths separate, using a solid ground plane, and minimizing noise coupling between the analog and digital sections. Also, ensure that the power supply decoupling capacitors are placed close to the device.

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DAC7725N Overview

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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