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參數(shù)資料
| 型號： | TLV5620I |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | QUADRUPLE 8-BIT DIGITAL-TO-ANALOG CONVERTERS |
| 中文描述： | 翻兩番8位數(shù)字，模擬轉(zhuǎn)換器 |
| 文件頁數(shù)： | 2/14頁 |
| 文件大小： | 196K |
| 代理商： | TLV5620I |
TLV5620C, TLV5620I
QUADRUPLE 8-BIT DIGITAL-TO-ANALOG CONVERTERS
SLAS110B – JANUARY 1995 – REVISED APRIL 1997
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
functional block diagram
Power-On
Reset
Serial
Interface
×
2
DAC
DAC
×
2
×
2
DAC
DAC
×
2
LDAC
REFA
+
–
+
–
+
–
+
–
+
–
+
–
+
–
+
–
REFB
REFC
CLK
DATA
LOAD
REFD
DACA
DACB
DACC
DACD
8
8
8
8
8
8
8
8
Latch
Latch
Latch
Latch
Latch
Latch
Latch
Latch
2
3
4
5
7
6
8
13
12
11
10
9
Terminal Functions
TERMINAL
I/O
DESCRIPTION
NAME
CLK
NO.
7
I
Serial interface clock. The input digital data is shifted into the serial interface register on the falling edge of the clock
applied to the CLK terminal.
DACA
12
O
DAC A analog output
DACB
11
O
DAC B analog output
DACC
10
O
DAC C analog output
DACD
9
O
DAC D analog output
DATA
6
I
Serial interface digital data input. The digital code for the DAC is clocked into the serial interface register serially.
Each data bit is clocked into the register on the falling edge of the clock signal.
GND
1
I
Ground return and reference terminal
LDAC
13
I
Load DAC. When this signal is high, no DAC output updates occur when the input digital data is read into the serial
interface. The DAC outputs are only updated when LDAC is taken from high to low.
LOAD
8
I
Serial interface load control. When the LDAC terminal is low, the falling edge of the LOAD signal latches the digital
data into the output latch and immediately produces the analog voltage at the DAC output terminal.
REFA
2
I
Reference voltage input to DAC A. This voltage defines the output analog range.
REFB
3
I
Reference voltage input to DAC B. This voltage defines the analog output range.
REFC
4
I
Reference voltage input to DAC C. This voltage defines the analog output range.
REFD
5
I
Reference voltage input to DAC D. This voltage defines the analog output range.
VDD
14
I
Positive supply voltage
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