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參數資料
型號: LTC1427CS8-50
廠商: Linear Technology
文件頁數: 1/8頁
文件大小: 0K
描述: IC D/A CONV 10BIT W/SMBUS 8-SOIC
標準包裝: 100
位數: 10
數據接口: 串行
轉換器數目: 1
電壓電源: 單電源
功率耗散(最大): 550µW
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應商設備封裝: 8-SOIC
包裝: 管件
輸出數目和類型: 1 電流,單極
采樣率(每秒): *
1
LTC1427-50
Micropower, 10-Bit Current
Output DAC with SMBus
Serial Interface
1
2
3
4
8
7
6
5
1427 TA02
C1
1
F
1
F
1
2
5
6
4
3
4700pF
VCC
3.3V
VOUT*
*VOUT = 12.7V TO 24V IN 11mV STEPS
15mA (2 CELLS)
35mA ( 3 CELLS)
L1 = 10
H SUMIDA CD43
MURATA-ERIE LQH3C
OR COILCRAFT DO1608
D1 =MBR0530
100k
D1
2 TO 4
CELLS
L1
LTC1427-50
R1
226k
1%
R2
12.1k
1%
SHDN
AD1
AD0
GND
VCC
IOUT
SCL
SDA
P1.2
P1.1
P1.0
VIN
VC
GND
LT1317
SW
FB
SHDN
PU
(e.g., 8051)
TYPICAL APPLICATION
U
Digitally Controlled LCD Bias Generator
FEATURES
DESCRIPTION
U
s
LCD Contrast and Backlight Brightness Control
s
Power Supply Voltage Adjustment
s
Battery Charger Voltage/Current Adjustment
s
GaAs FET Bias Adjustment
s
Trimmer Pot Elimination
The LTC
1427-50 is a micropower, 10-Bit current output
DAC with an output range of 0
A to 50A. The DAC output is
guaranteed monotonic and DNL is less than 0.9LSB under all
operating conditions. Full-scale accuracy is
±2.5% over
the commercial temperature range. The LTC1427-50 oper-
ates with power supply voltages from 2.7V to 5.5V and the
DAC current source output can be biased from (VCC – 1.3V)
to – 15V.
The LTC1427-50 communicates with external circuitry by
using the SMBus serial interface. It acts as an SMBus slave
device using one of four selectable SMBus addresses set by
the two address pins AD0 and AD1 .
On power-up, the DAC output assumes midrange or zero
scale, depending on the logic state of the two address pins.
The LTC1427-50 can be shut down through the SHDN pin or
by setting the SHDN bit = 1 in the SMBus command byte.
Digital data for the DAC output is retained internally and the
supply current drops to 10
A typically when in shutdown.
The LTC1427-50 is available in an 8-pin SO package.
APPLICATIONS
U
s
Precision 50
A, ±1.5% Initial Full-Scale Output
Current,
±2.5% Over Temperature
s
Wide Output Voltage DC Compliance: – 15V to
(VCC – 1.3V)
s
Wide Supply Range: 2.7V
≤ VCC ≤ 5.5V
s
Supply Current in Shutdown: 10
A Typ
s
Low Supply Current: 115
A Typ
s
Available in 8-Pin SO
s
SMBus Serial Interface
s
Four Selectable SMBus Addresses
s
DAC Powers Up at Zero or Midscale
s
DAC Contents Are Retained in Shutdown
, LTC and LT are registered trademarks of Linear Technology Corporation.
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相關代理商/技術參數
參數描述
LTC1427CS8-50#PBF 功能描述:IC D/A CONV 10BIT W/SMBUS 8-SOIC RoHS:是 類別:集成電路 (IC) >> 數據采集 - 數模轉換器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:50 系列:- 設置時間:4µs 位數:12 數據接口:串行 轉換器數目:2 電壓電源:單電源 功率耗散(最大):- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP,8-MSOP(0.118",3.00mm 寬) 供應商設備封裝:8-uMAX 包裝:管件 輸出數目和類型:2 電壓,單極 采樣率(每秒):* 產品目錄頁面:1398 (CN2011-ZH PDF)
LTC1427CS8-50#TR 功能描述:IC DAC 10BIT SMBUS MICRPWR 8SOIC RoHS:否 類別:集成電路 (IC) >> 數據采集 - 數模轉換器 系列:- 產品培訓模塊:LTC263x 12-, 10-, and 8-Bit VOUT DAC Family 特色產品:LTC2636 - Octal 12-/10-/8-Bit SPI VOUT DACs with 10ppm/°C Reference 標準包裝:91 系列:- 設置時間:4µs 位數:10 數據接口:MICROWIRE?,串行,SPI? 轉換器數目:8 電壓電源:單電源 功率耗散(最大):2.7mW 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-WFDFN 裸露焊盤 供應商設備封裝:14-DFN-EP(4x3) 包裝:管件 輸出數目和類型:8 電壓,單極 采樣率(每秒):*
LTC1427CS8-50#TRPBF 功能描述:IC D/A CONV 10BIT W/SMBUS 8-SOIC RoHS:是 類別:集成電路 (IC) >> 數據采集 - 數模轉換器 系列:- 產品培訓模塊:LTC263x 12-, 10-, and 8-Bit VOUT DAC Family 特色產品:LTC2636 - Octal 12-/10-/8-Bit SPI VOUT DACs with 10ppm/°C Reference 標準包裝:91 系列:- 設置時間:4µs 位數:10 數據接口:MICROWIRE?,串行,SPI? 轉換器數目:8 電壓電源:單電源 功率耗散(最大):2.7mW 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-WFDFN 裸露焊盤 供應商設備封裝:14-DFN-EP(4x3) 包裝:管件 輸出數目和類型:8 電壓,單極 采樣率(每秒):*
LTC1428CS8-50 功能描述:IC D/A CONV 8BIT SINK OUT 8-SOIC RoHS:否 類別:集成電路 (IC) >> 數據采集 - 數模轉換器 系列:- 產品培訓模塊: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:12 數據接口:DSP,MICROWIRE?,QSPI?,串行,SPI? 轉換器數目: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) 輸出數目和類型:1 電流,單極;1 電流,雙極 采樣率(每秒):2.7M
LTC1428CS8-50#PBF 功能描述:IC DAC 8BIT SINK OUT 8-SOIC RoHS:是 類別:集成電路 (IC) >> 數據采集 - 數模轉換器 系列:- 產品培訓模塊: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:12 數據接口:DSP,MICROWIRE?,QSPI?,串行,SPI? 轉換器數目: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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