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Rohm Semiconductor Electronic Components Datasheet

BU1S12S1AG-LB Datasheet

Successive Approximation A/D Converter

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BU1S12S1AG-LB pdf
Datasheet
AD Converter Series
Successive Approximation A/D Converter
12bit, 0.5M to 1MSPS, 2.7 to 5.25V,
1-channel, SPITM Interface
BU1S12S1AG-LB
General Description
This is the product guarantees long time support in
Industrial market.
The BU1S12S1AG-LB is a general purpose, 12-bit
1-channel successive approximation AD converter. The
sampling rate of BU1S12S1AG-LB ranges from
0.5MSPS to 1MSPS.
Features
Long Time Support Product for Industrial Applications
Maximum 1MSPS Sampling Rate
Low Power Consumption
Small SSOP6 Package Compatible with SOT23-6
Serial Interface Compatible with
SPITM/QSPITM/MICROWIRETM
Operational Supply Voltage Range: 2.7V to 5.25V
Single-ended Input
Output Code in Straight Binary Format
Key Specifications
Supply Voltage Range:
2.7V to 5.25V
Sampling Rate:
0.5MSPS to 1MSPS
Power Consumption
In 1MSPS Operation:
INL:
8mW @VA=5V (Typ)
1.5mW @VA=3V (Typ)
-1.1 to +1.0 LSB
DNL:
-0.9 to +1.0 LSB
SNR:
71.5dB @ VA=3V (Typ)
SINAD:
71dB @ VA=3V (Typ)
Operational Temperature Range: -40°C to +105°C
Package
SSOP6
W(Typ) x D(Typ) x H(Max)
2.90mm x 2.80mm x 1.25mm
Applications
Industrial Equipment
Instrumentation and Control Systems
Motor Control Systems
Data Acquisition Systems
SSOP6
Figure 1. Package Outline
Typical Application Circuit
Figure 2 shows a typical application circuit of BU1S12S1AG-LB.
VOLTAGE
REFERENCE
10µF 0.1µF
ANALOG
SIGNAL
SOURCE
22Ω
1000pF
to 0.1µF
VA
CSB
BU1S12S1AG-LB
VIN
GND
SCLK
SDATA
330Ω
330Ω
100Ω
MICROPROCESSOR
or
DSP
Figure 2. Typical Application Circuit
Product structure : Silicon monolithic integrated circuit
www.rohm.com
© 2016 ROHM Co., Ltd. All rights reserved.
TSZ22111 14 001
This product has no designed protection against radioactive rays
1/16
TSZ02201-0GSG0GZ10180-1-2
04.Jul.2016 Rev.001


Rohm Semiconductor Electronic Components Datasheet

BU1S12S1AG-LB Datasheet

Successive Approximation A/D Converter

No Preview Available !

BU1S12S1AG-LB pdf
BU1S12S1AG-LB
Pin Configuration
VA 1
GND 2
VIN 3
(TOP VIEW)
6 CSB
5 SDATA
4 SCLK
Figure 3. Pin Configuration
Pin Descriptions
Pin No. Pin Name
Description
1 VA Power supply pin. This voltage is the full scale of the analog input.
2
GND
Ground pin. This voltage level is the zero scale of the analog input.
3 VIN Analog input pin. The voltage range must be between 0V and VA.
4 SCLK Digital clock input pin.
5 SDATA Digital data output pin.
6
CSB
Chip select pin. A/D conversion starts at the falling edge of this signal.
Block Diagram
VIN
TRACK/HOLD
12-BIT
SUCCESSIVE
APPROXIMATION
ADC
CONTROL
LOGIC
Figure 4. Block Diagram
SCLK
CSB
SDATA
www.rohm.com
© 2016 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
2/16
TSZ02201-0GSG0GZ10180-1-2
04.Jul.2016 Rev.001


Part Number BU1S12S1AG-LB
Description Successive Approximation A/D Converter
Maker ROHM
Total Page 20 Pages
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