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參數(shù)資料
| 型號： | LTC2630CSC6-LM8#TRMPBF |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 9/22頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DAC 8BIT R-R SC70-6 |
| 產(chǎn)品培訓模塊： | LTC263x 12-, 10-, and 8-Bit VOUT DAC Family |
| 標準包裝： | 500 |
| 設置時間： | 3.2µs |
| 位數(shù)： | 8 |
| 數(shù)據(jù)接口： | 串行 |
| 轉換器數(shù)目： | 1 |
| 電壓電源： | 單電源 |
| 功率耗散（最大）： | 480µW |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 6-TSSOP，SC-88，SOT-363 |
| 供應商設備封裝： | SC-70-6 |
| 包裝： | 帶卷 (TR) |
| 輸出數(shù)目和類型： | 1 電壓，單極 |
| 采樣率（每秒）： | * |
| 配用： | DC1074A-ND - BOARD DAC LTC2630-12 |
LTC2630
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2630ff
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C1
C0
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D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
X
C3
X
CS/LD
SCK
SDI
COMMAND WORD
DATA WORD
8 DON’T-CARE BITS
4 DON’T-CARE BITS
2630 F03b
32-BIT INPUT WORD
Figure 3b. 32-Bit Load Sequence
LTC2630-12 SDI Data Word: 12-Bit Input Code + 4 Don’t-Care Bits (Shown);
LTC2630-10 SDI Data Word: 10-Bit Input Code + 6 Don’t-Care Bits;
LTC2630-8 SDI Data Word: 8-Bit Input Code + 8 Don’t-Care Bits
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C1
C0
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D11
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D5
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D3
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D1
D0
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C3
CS/LD
SCK
SDI
COMMAND WORD
4 DON’T-CARE BITS
DATA WORD
24-BIT INPUT WORD
2630 F03a
Figure 3a. 24-Bit Load Sequence (Minimum Input Word)
LTC2630-12 SDI Data Word: 12-Bit Input Code + 4 Don’t-Care Bits (Shown);
LTC2630-10 SDI Data Word: 10-Bit Input Code + 6 Don’t-Care Bits;
LTC2630-8 SDI Data Word: 8-Bit Input Code + 8 Don’t-Care Bits
operation
Optoisolated 4mA to 20mA Process Controller
Figure 5 shows how to use an LTC2630HZ to make an
optoisolated, digitally-controlled 4mA to 20mA transmit-
ter. The transmitter circuitry, including optoisolation, is
powered by the loop voltage which has a wide range of
5.4V to 80V. The 5V output of the LT3010-5 is used to
set the 4mA offset current and VOUT is used to digitally
control the 0mA to 16mA signal current. The supply cur-
rent for the regulator, DAC, and op amp is well below
the 4mA budget at zero scale. RS senses the total loop
current, which includes the quiescent supply current and
additional current through Q1. Note that at the maximum
loop voltage of 80V, Q1 will dissipate 1.6W when IOUT =
20mA and must have an appropriate heat sink.
ROFFSET and RGAIN are the closest 0.1% values to ideal
for controlling a 4mA to 20mA output as the digital input
varies from zero scale to full scale. Alternatively, ROFFSET
can be a 365k, 1% resistor in series with a 20k trim pot
and RGAIN can be a 75.0k, 1% resistor in series with a 5k
trim pot. The optoisolators shown will limit the speed of
the serial bus; the 6N139 is an alternative that will allow
higher data rates.
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| LTC2630CSC6-LZ10#TRMPBF | 功能描述:IC DAC 10BIT R-R SC70-6 RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉換器 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:58 系列:- 設置時間:6µs 位數(shù):8 數(shù)據(jù)接口:并聯(lián) 轉換器數(shù)目:4 電壓電源:雙 ± 功率耗散（最大）:640mW 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:24-SSOP（0.209"，5.30mm 寬） 供應商設備封裝:24-SSOP 包裝:管件 輸出數(shù)目和類型:4 電壓，單極；4 電壓，雙極 采樣率（每秒）:* |
| LTC2630CSC6-LZ10#TRPBF | 功能描述:IC DAC 10BIT R-R SC70-6 RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉換器 系列:- 產(chǎn)品培訓模塊:Data Converter Fundamentals DAC Architectures 設計資源:Unipolar, Precision DC Digital-to-Analog Conversion using AD5450/1/2/3 8-14-Bit DACs (CN0052) Precision, Bipolar, Configuration for AD5450/1/2/3 8-14bit Multiplying DACs (CN0053) AC Signal Processing Using AD5450/1/2/3 Current Output DACs (CN0054) Programmable Gain Element Using AD5450/1/2/3 Current Output DAC Family (CN0055) Single Supply Low Noise LED Current Source Driver Using a Current Output DAC in the Reverse Mode (CN0139) 標準包裝:10,000 系列:- 設置時間:- 位數(shù):12 數(shù)據(jù)接口:DSP，MICROWIRE?，QSPI?，串行，SPI? 轉換器數(shù)目:1 電壓電源:單電源 功率耗散（最大）:- 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-8 薄型，TSOT-23-8 供應商設備封裝:TSOT-23-8 包裝:帶卷 (TR) 輸出數(shù)目和類型:1 電流，單極；1 電流，雙極 采樣率（每秒）:2.7M |
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| LTC2630CSC6-LZ12#TRMPBF | 功能描述:IC DAC 12BIT R-R SC70-6 RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉換器 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:58 系列:- 設置時間:6µs 位數(shù):8 數(shù)據(jù)接口:并聯(lián) 轉換器數(shù)目:4 電壓電源:雙 ± 功率耗散（最大）:640mW 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:24-SSOP（0.209"，5.30mm 寬） 供應商設備封裝:24-SSOP 包裝:管件 輸出數(shù)目和類型:4 電壓，單極；4 電壓，雙極 采樣率（每秒）:* |
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