參數(shù)資料
型號: X96012
廠商: Intersil Corporation
英文描述: Universal Sensor Conditioner with Dual Look-up Table Memory and DACs(通用傳感器調(diào)節(jié)器,帶雙查找表存儲器及DACs)
中文描述: 通用傳感器護(hù)發(fā)雙查找表內(nèi)存和DAC(通用傳感器調(diào)節(jié)器,帶雙查找表存儲器及數(shù)模轉(zhuǎn)換器-)
文件頁數(shù): 2/23頁
文件大?。?/td> 353K
代理商: X96012
2
FN8216.3
February 20, 2008
Block Diagram
Pin Descriptions
SDA
SCL
WP
2-WIRE
INTERFACE
I2
VREF
R2
VSENSE
A2, A1, A0
DAC 2
ADC
LOOK-UP
TABLE 1
LOOK-UP
TABLE 2
CONTROL
AND STATUS
GENERAL
PURPOSE
MEMORY
MUX
MUX
I1
R1
DAC 1
MUX
MUX
TEMPERATURE
SENSOR
VOLTAGE
REFERENCE
PIN
NUMBER
PIN
NAME
PIN DESCRIPTION
1
A0
Device Address Select Pin 0.
This pin determines the LSB of the device address required to communicate using the
2-wire interface. The A0 pin has an on-chip pull-down resistor.
2
A1
Device Address Select Pin 1.
This pin determines the intermediate bit of the device address required to communicate
using the 2-wire interface. The A1 pin has an on-chip pull-down resistor.
3
A2
Device Address Select Pin 2.
This pin determines the MSB of the device address required to communicate using the
2-wire interface. The A2 pin has an on-chip pull-down resistor.
4
V
CC
WP
Supply Voltage.
5
Write Protect Control Pin.
This pin is a CMOS compatible input. When LOW, Write Protection is enabled preventing
any “Write” operation. When HIGH, various areas of the memory can be protected using the Block Lock bits BL1 and
BL0. The WP pin has an on-chip pull-down resistor, which enables the Write Protection when this pin is left floating.
6
SCL
Serial Clock.
This is a TTL compatible input pin. This input is the 2-wire interface clock controlling data input and output
at the SDA pin.
7
SDA
Serial Data.
This pin is the 2-wire interface data into or out of the device. It is TTL compatible when used as an input,
and it is Open Drain when used as an output. This pin requires an external pull-up resistor.
8
I1
Current Generator 1 Output.
This pin sinks or sources current. The magnitude and direction of the current is fully
programmable and adaptive. The resolution is 8 bits.
9
R
1
Current Programming Resistor 1.
A resistor between this pin and V
SS
can set the maximum output current available
at pin I1. If no resistor is used, the maximum current must be selected using control register bits.
10
R
2
Current Programming Resistor 2.
A resistor between this pin and V
SS
can set the maximum output current available
at pin I2. If no resistor is used, the maximum current must be selected using control register bits.
11
V
SS
V
SENSE
V
REF
Ground.
12
Sensor Voltage Input.
This voltage input may be used to drive the input of the on-chip A/D converter.
13
Reference Voltage Input or Output.
This pin can be configured as either an Input or an Output. As an Input, the
voltage at this pin is provided by an external source. As an Output, the voltage at this pin is a buffered output voltage
of the on-chip bandgap reference circuit. In both cases, the voltage at this pin is the reference for the A/D converter and
the two D/A converters.
14
I2
Current Generator 2 Output.
This pin sinks or sources current. The magnitude and direction of the current is fully
programmable and adaptive. The resolution is 8 bits.
X96012
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