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A6276EA-T Datasheet

  • A6276EA-T

  • 16-BIT SERIAL-INPUT, CONSTANT CURRENT LATCHED LED DRIV ER

  • 342.50KB

  • 14頁(yè)

  • ALLEGRO   ALLEGRO

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6276
A6276ELW
G R OUND
S E R IAL
DAT A IN
C LOC K
LAT C H
E NAB LE
OUT
0
OUT
1
OUT
2
OUT
3
OUT
4
OUT
5
OUT
6
OUT
7
1
2
3
4
5
6
7
8
9
10
11
12
CK
L
R E G IS TE R
LAT C HE S
20
19
18
17
16
15
14
13
OE
V
DD
I
O
R E G ULATOR
24
23
22
21
LOG IC
S UP P LY
R
E XT
S E R IAL
DAT A OUT
OUT P UT
E NAB LE
OUT
15
OUT
14
OUT
13
OUT
12
OUT
11
OUT
10
OUT
9
OUT
8
16-BIT SERIAL-INPUT, CONSTANT-
CURRENT LATCHED LED DRIVER
The A6276 is specifically designed for LED-display applications.
Each BiCMOS device includes a 16-bit CMOS shift register, accom-
panying data latches, and 16 npn constant-current sink drivers. Except
for package style and allowable package power dissipation, the device
options are identical.
The CMOS shift register and latches allow direct interfacing with
microprocessor-based systems. With a 5 V logic supply, typical serial
data-input rates are up to 20 MHz. The LED drive current is deter-
mined by the user鈥檚 selection of a single resistor. A CMOS serial data
output permits cascade connections in applications requiring additional
drive lines. For inter-digit blanking, all output drivers can be disabled
with an ENABLE input high. Similar 8-bit devices are available as the
A6275EA and A6275ELW.
Three package styles are provided: through-hole DIP (suffix A),
surface-mount SOIC (suffix LW) and TSSOP with exposed thermal pad
(suffix LP). Under normal applications, a copper lead frame and low
logic-power dissipation allow the dual in-line package to sink maxi-
mum rated current through all outputs continuously over the operating
temperature range (90 mA, 0.75 V drop, +85擄C).
Data Sheet
26185.201E
Dwg. P P -029-11
Note that three packages offered are electrically
identical and share a common terminal number as-
signment.
FEATURES
鈻?/div>
鈻?/div>
鈻?/div>
鈻?/div>
鈻?/div>
To 90 mA Constant-Current Outputs
Under-Voltage Lockout
Low-Power CMOS Logic and Latches
High Data Input Rate
Functional Replacement for TB62706BN/BF
Ambient
Temperature (擄C)
ABSOLUTE MAXIMUM RATINGS
Supply Voltage, V
DD
.......................
7.0 V
Output Voltage Range,
V
O
.............................
-0.5 V to +17 V
Output Current, I
O
........................
90 mA
Ground Current, I
GND
..............
1475 mA
Input Voltage Range,
V
I
....................
-0.4 V to V
DD
+ 0.4 V
Package Power Dissipation,
P
D
.....................................
See Graph
Operating Temperature Range,
T
A
.............................
-40擄C to +85擄C
Storage Temperature Range,
T
S
...........................
-55擄C to +150擄C
Caution: These CMOS devices have input static
protection (Class 2) but are still susceptible
to damage if exposed to extremely high static
electrical charges.
Selection Guide
Part Number Pb-free*
Package
Packing
A6276EA-T
Yes
24-pin DIP
15 per tube
鈥?0 to 85
A6276ELP-T
Yes
24-pin TSSOP
62 per tube
鈥?0 to 85
A6276ELPTR-T
Yes
24-pin TSSOP 4000 per reel
鈥?0 to 85
A6276ELW-T
Yes
24-pin SOICW
31 per tube
鈥?0 to 85
A6276ELWTR-T
Yes
24-pin SOICW 1000 per reel
鈥?0 to 85
A6276SLW-T
Yes
24-pin SOICW
31 per tube
鈥?0 to 85
A6276SLWTR-T
Yes
24-pin SOICW 1000 per reel
鈥?0 to 85
*Pb-based variants are being phased out of the product line. The variants cited in this
footnote are in production but have been determined to be NOT FOR NEW DESIGN.
This classification indicates that sale of this device is currently restricted to existing
customer applications. The variants should not be purchased for new design applica-
tions because obsolescence in the near future is probable. Samples are no longer
available. Status change: May 1, 2006. These variants include:A6276EA, A6276ELW,
A6276ELWTR, A6276SA, A6276SLW, and A6276SLWTR.

A6276EA-T 產(chǎn)品屬性

  • 15

  • 集成電路 (IC)

  • PMIC - LED 驅(qū)動(dòng)器

  • -

  • 是

  • -

  • 16

  • 是

  • LED 照明顯示器，標(biāo)牌，汽車

  • -

  • 20MHz

  • 4.5 V ~ 5.5 V

  • 1V

  • 通孔

  • 24-DIP（0.300"，7.62mm）

  • 24-DIP

  • 管件

  • -40°C ~ 85°C

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