參數(shù)資料
型號(hào): AD5428YRUZ
廠商: Analog Devices Inc
文件頁(yè)數(shù): 2/33頁(yè)
文件大小: 0K
描述: IC DAC 8BIT DUAL MULT 20TSSOP
產(chǎn)品培訓(xùn)模塊: Data Converter Fundamentals
DAC Architectures
標(biāo)準(zhǔn)包裝: 75
設(shè)置時(shí)間: 30ns
位數(shù): 8
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 2
電壓電源: 單電源
功率耗散(最大): 3.3µW
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 20-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 20-TSSOP
包裝: 管件
輸出數(shù)目和類型: 2 電流,單極;2 電流,雙極
采樣率(每秒): 21.3M
產(chǎn)品目錄頁(yè)面: 782 (CN2011-ZH PDF)
Data Sheet
AD5428/AD5440/AD5447
Rev. C | Page 9 of 32
04462-006
R/W
CS
1
2
3
4
5
6
7
8
9
10
20
21
22
23
24
19
18
17
16
15
14
13
12
11
IOUTA
RFBA
VREFA
DB11
DAC A/B
DGND
AGND
RFBB
VREFB
VDD
DB0 (LSB)
DB10
DB9
DB6
DB7
DB8
DB1
DB2
DB5
DB4
DB3
IOUTB
AD5447
TOP VIEW
(Not to Scale)
Figure 6. Pin Configuration 24-Lead TSSOP (RU-24)
Table 6. AD5447 Pin Function Descriptions
Pin No.
Mnemonic
Description
1
AGND
DAC Ground Pin. This pin should typically be tied to the analog ground of the system, but can be biased to
achieve single-supply operation.
2, 24
IOUTA, IOUTB
DAC Current Outputs.
3, 23
RFBA, RFBB
DAC Feedback Resistor Pins. Establish voltage output for the DAC by connecting to an external amplifier
output.
4, 22
VREFA, VREFB
DAC Reference Voltage Input Terminals.
5
DGND
Digital Ground Pin.
6
DAC A/B
Selects DAC A or DAC B. Low selects DAC A; high selects DAC B.
7 to 18
DB11 to DB0
Parallel Data Bits 11 Through 0.
19
CS
Chip Select Input. Active low. Used in conjunction with R/W to load parallel data to the input latch or to read
data from the DAC register.
20
R/W
Read/Write. When low, used in conjunction with CS to load parallel data. When high, used in conjunction with
CS to read back the contents of the DAC register. When CS and R/W are held low, the latches are transparent.
Any changes on the data lines are reflected in the relevant DAC output.
21
VDD
Positive Power Supply Input. This part can be operated from a supply of 2.5 V to 5.5 V.
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