Datasheet

OPA2376YZD
WCSP-8EnlargedImage
TopView
(bumpsidedown)
YMDCGLS
PackageMarkingCode:
YMD=year/month/day
CGL=indicatesOPA2376YZD
S=forengineeringpurposesonly
ActualSize:
ExactSize:
1.150mmx2.188mm
C
1
0.1 Fm
R
100W
1
(1)
+5V
V
IN
ADS8327
LowPower
16-Bit
500kSPS
C
3
(1)
1.2nF
C4
100nF
+5V
REFIN
-IN
+IN
REF5040
4.096V
+5V
OPA376
OPA2376YZD
TopView
(bumpsidedown)
NottoScale
WCSP-8
D2
C2
B2
A2
D1
C1
B1
A1
+INB
-INB
OUTB
V+
V-
+INA
-IN A
OUTA
OPA376
OPA2376
OPA4376
SBOS406F –JUNE 2007–REVISED MARCH 2013 www.ti.com
OPA2376 WCSP PACKAGE should be expected. Fluorescent lighting may
introduce noise or hum because of the time-varying
The OPA2376YZD is a lead- (PB-) free, die-level,
light output. Best layout practices include end-product
wafer chip-scale package (WCSP). Unlike devices
packaging that provides shielding from possible light
that are in plastic packages, these devices have no
sources during operation.
molding compound, lead frame, wire bonds, or leads.
Using standard surface-mount assembly procedures,
DRIVING AN ANALOG-TO-DIGITAL
the WCSP can be mounted to a PCB without
CONVERTER
additional underfill. Figure 27 and Figure 28 detail the
pinout and package marking. See the NanoStar™
The low noise and wide gain bandwidth of the
and NanoFree™ 300μm Solder Bump WCSP
OPA376 family make it an ideal driver for ADCs.
Application Note (SBVA017) for more detailed
Figure 29 illustrates the OPA376 driving an
information on package characteristics and PCB
ADS8327, 16-bit, 250kSPS converter. The amplifier is
design.
connected as a unity-gain, noninverting buffer.
Figure 27. Pin Description
NOTE: (1) Suggested value; may require adjustment based on
specific application.
Figure 29. Driving an ADS8327
PHANTOM-POWERED MICROPHONE
The circuit shown in Figure 30 depicts how a remote
microphone amplifier can be powered by a phantom
source on the output side of the signal cable. The
cable serves double duty, carrying both the
Figure 28. Top View Package Marking
differential output signal from and dc power to the
microphone amplifier stage.
An OPA2376 serves as a single-ended input to a
PHOTOSENSITIVITY
differential output amplifier with a 6dB gain. Common-
Although the OPA2376YZD package has a protective
mode bias for the two op amps is provided by the dc
backside coating that reduces the amount of light
voltage developed across the electret microphone
exposure on the die, unless fully shielded, ambient
element. A 48V phantom supply is reduced to 5.1V
light can reach the active region of the device. Input
by the series 6.8kΩ resistors on the output side of the
bias current for the package is specified in the
cable, and the 4.7kΩ and zener diode on the input
absence of light. Depending on the amount of light
side of the cable. AC coupling blocks the different dc
exposure in a given application, an increase in bias
voltage levels from each other on each end of the
current, and possible increases in offset voltage
cable.
12 Submit Documentation Feedback Copyright © 2007–2013, Texas Instruments Incorporated
Product Folder Links: OPA376 OPA2376 OPA4376