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D/A Converters. BU2506FV Datasheet

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D/A Converters. BU2506FV Datasheet






BU2506FV Converters. Datasheet pdf. Equivalent




BU2506FV Converters. Datasheet pdf. Equivalent





Part

BU2506FV

Description

10bit 8ch/10ch D/A Converters



Feature


Datasheet D/A Converter Series for Elec tronic Adjustment 10bit 8ch/10ch D/A Co nverters BU2505FV BU2506FV General Des cription The BU2505FV and BU2506FV ICs are 10bit R-2R type D/A converters with 10ch and 8ch outputs, respectively. Ca scade connection is available, ensuring suitability for multi-channel applicat ions. Each channel incorporates a full swing output type .
Manufacture

Rohm

Datasheet
Download BU2506FV Datasheet


Rohm BU2506FV

BU2506FV; buffer amplifier with high speed output response characteristics, resulting in a greatly shortened D/A output settling time. The ICs also have digital input pins compatible with TTL levels, and th e maximum value of the data transfer fr equency is 10MHz. With the variable out put range function, the upper and lower limits of the output voltage can be se t separately from .


Rohm BU2506FV

the power supply voltage. Features ■ B uilt-in Multi-channel R-2R Type 10bit D /A Converter (BU2506FV: 8 Channels, BU2 505FV: 10 Channels) ■ Built-in Full S wing Output Buffer Amplifier for All Ch annels ■ RESET Terminal to fix the Ou tput Voltage to the Lower .


Rohm BU2506FV

.

Part

BU2506FV

Description

10bit 8ch/10ch D/A Converters



Feature


Datasheet D/A Converter Series for Elec tronic Adjustment 10bit 8ch/10ch D/A Co nverters BU2505FV BU2506FV General Des cription The BU2505FV and BU2506FV ICs are 10bit R-2R type D/A converters with 10ch and 8ch outputs, respectively. Ca scade connection is available, ensuring suitability for multi-channel applicat ions. Each channel incorporates a full swing output type .
Manufacture

Rohm

Datasheet
Download BU2506FV Datasheet




 BU2506FV
Datasheet
D/A Converter Series for Electronic Adjustment
10bit 8ch/10ch D/A Converters
BU2505FV BU2506FV
General Description
The BU2505FV and BU2506FV ICs are 10bit R-2R type
D/A converters with 10ch and 8ch outputs, respectively.
Cascade connection is available, ensuring suitability for
multi-channel applications. Each channel incorporates a
full swing output type buffer amplifier with high speed
output response characteristics, resulting in a greatly
shortened D/A output settling time. The ICs also have
digital input pins compatible with TTL levels, and the
maximum value of the data transfer frequency is 10MHz.
With the variable output range function, the upper and
lower limits of the output voltage can be set separately
from the power supply voltage.
Features
Built-in Multi-channel R-2R Type 10bit D/A Converter
(BU2506FV: 8 Channels, BU2505FV: 10 Channels)
Built-in Full Swing Output Buffer Amplifier for All
Channels
RESET Terminal to fix the Output Voltage to the Lower
Reference Level for All Channels
Digital Inputs Compatible with TTL Levels
3-wire Serial Interface and RESET Signal to send a
14bit Format Word (4bit Address and 10bit Data)
REVERSE Terminal to select LSB First or MSB First of
10bit Data
Cascade Connection is Available
Applications
Control of the Various Types of Consumer and
Industrial Equipment
Typical Application Circuit
Key Specifications
Operating Supply Voltage Range
Number of Channels
BU2505FV
BU2506FV
Differential Non Linearity Error
Integral Non Linearity Error
Data Transfer Frequency
4.5V to 5.5V
10ch
8ch
±1.0LSB(Max)
±3.5LSB(Max)
10MHz(Max)
Packages
SSOP-B20
W(Typ) x D(Typ) x H(Max)
6.50mm x 6.40mm x 1.45mm
SSOP-B20
CCoonntrtorollellrer
VVDreDfH
(VrefH)
VVCCCC
VVSrSefL
(VrefL)
RREeVvEeRrSsEe
RREeSsEeTt
AAOO11
AAOO22
AAOO33
LLDD
CCLLKK
DDII
GGNNDD
AAOO1100
CCHH11
CCHH22
CCHH33
CCHH1100
Product structureSilicon monolithic integrated circuit
www.rohm.com
p© 2015 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
This product has no designed protection against radioactive rays.
1/18
TSZ02201-0RLR0GZ10140-1-2
11.Dec.2015 Rev.001




 BU2506FV
BU2505FV BU2506FV
Pin Configurations
SSOP-B20
(TOP VIEW)
20 19 18 17 16 15 14 13 12 11
1 2 3 4 5 6 7 8 9 10
Pin Descriptions
No.
Terminal
Name
1 VSS
2 AO3
Analog /
Digital
I/O
BU2505FV
Description
BU2506FV
Analog - D/A converter lower reference voltage (VrefL) input terminal
Analog O 10bit D/A output(CH3)
Equivalent
circuit No.
6
4
3 AO4 Analog O 10bit D/A output(CH4)
4
4 AO5 Analog O 10bit D/A output(CH5)
5
REVERSE
Digital
I
Reverses the 10bit designated as data in the 14bit to select MSB
first or LSB first.(Note 1)
6
RESET
Digital
I
Fixes the output voltage to the lower reference level for all
channels.
7 AO6 Analog O 10bit D/A output(CH6)
4
2
2
4
8 AO7 Analog O 10bit D/A output(CH7)
4
9 AO8 Analog O 10bit D/A output(CH8)
4
10
VDD
Analog - D/A converter upper reference voltage (VrefH) input terminal
5
11 VCC
-
12 AO9(TEST1) Analog
13 AO10(TEST2) Analog
- Power supply
O 10bit D/A output(CH9)
O 10bit D/A output(CH10)
test terminal (Note 2)
test terminal (Note 2)
-
4
4
14 DO Digital O Outputs the LSB data of 14bit shift resister.
When the LD terminal is set to the high level voltage, 14bit data in
15 LD Digital I the shift register is loaded on to the address decoder and a
specified D/A output register.
16
CLK
Digital
I
Shift clock input terminal. At the rising edge of the CLK input, an
input value on the DI terminal is input to the 14bit shift register.
17
DI
Digital
I
Serial data input terminal. Serial data length is 14bit (4bit address
and 10bit data).
3
1
1
1
18 AO1 Analog O 10bit D/A output(CH1)
4
19 AO2 Analog O 10bit D/A output(CH2)
4
20 GND
- - GND terminal
-
(Note 1) It is selectable for the IC to receive 10bit data in LSB first order or MSB first order, depending on the condition of the REVERSE terminal. If the REVERSE
terminal is set to the GND voltage, it is MSB first
(Note 2) The TEST1 and TEST2 terminals of the BU2506FV should be left open. These terminals are used for testing.
www.rohm.co.jp
© 2015 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
2/18
TSZ02201-0RLR0GZ10140-1-2
11.Dec.2015 Rev.001




 BU2506FV
BU2505FV BU2506FV
Block Diagrams
BU2505FV
BU2506FV
Absolute Maximum Ratings(TA=25°C)
Parameter
Symbol
Rating
Unit
Supply voltage
VCC 6.0 V
D/A converter upper reference voltage
VDD
6.0 V
Input voltage
VIN 6.0 V
Output voltage
Power dissipation
VOUT
PD
6.0
0.75(Note 3)
V
W
Storage temperature range
Tstg
-55 to +125
°C
(Note 3) Derate by 7.5mW/°C when operating above TA=25°C (when mounted on ROHM’s standard board).
Mounted on a FR4 glass epoxy PCB 70mm x 70mm x 1.6mm (copper foil area less than 3%).
Caution: Operating the IC over the absolute maximum ratings may damage the IC. The damage can either be a short circuit between pins or an open circuit
between pins and the internal circuitry. Therefore, it is important to consider circuit protection measures, such as adding a fuse, in case the IC is operated over
the absolute maximum ratings.
Recommended Operating Conditions
Parameter
Symbol
Limit
Unit
Supply voltage range
Operating temperature range
VCC
Topr
4.5 to 5.5
-30 to +85
V
°C
www.rohm.co.jp
© 2015 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
3/18
TSZ02201-0RLR0GZ10140-1-2
11.Dec.2015 Rev.001



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