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參數(shù)資料
| 型號(hào)： | LTC1090CSW#PBF |
| 廠商： | Linear Technology |
| 文件頁(yè)數(shù)： | 28/28頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC DATA ACQUIS SYS 10BIT 20-SOIC |
| 標(biāo)準(zhǔn)包裝： | 38 |
| 類型： | 數(shù)據(jù)采集系統(tǒng)（DAS），ADC |
| 分辨率（位）： | 10 b |
| 采樣率（每秒）： | 30k |
| 數(shù)據(jù)接口： | 串行 |
| 電壓電源： | 單/雙電源 |
| 電源電壓： | ±5V，5V，10V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 20-SOIC |
| 包裝： | 管件 |
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9
LTC1090
1090fc
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Digital Input Logic Threshold vs
Supply Voltage
Input Channel Leakage Current
vs Temperature
Noise Error vs Reference Voltage
The LTC1090 is a data acquisition component which
contains the following functional blocks:
1. 10-bit successive approximation capacitive
A/D converter
2. Analog multiplexer (MUX)
3. Sample and hold (S/H)
4. Synchronous, full duplex serial interface
5. Control and timing logic
DIGITAL CONSIDERATIONS
1. Serial Interface
The LTC1090 communicates with microprocessors and
other external circuitry via a synchronous, full duplex,
four wire serial interface (see Operating Sequence). The
shift clock (SCLK) synchronizes the data transfer with
each bit being transmitted on the falling SCLK edge
and captured on the rising SCLK edge in both transmit-
ting and receiving systems. The data is transmitted and
received simultaneously (full duplex).
Operating Sequence
(Example: Differential Inputs (CH3 to CH2), Bipolar, MSB First and 10-Bit Word Length)
REFERENCE VOLTAGE, VREF (V)
0.2
PEAK-TO-PEAK
NOISE
ERROR
(LSBs)
0.5
1.0
2.0
15
LTC1090 TPC21
1.5
0.25
0.75
1.75
1.25
LTC1090 NOISE = 200V PEAK-TO-PEAK
APPLICATIO S I FOR ATIO
WU
UU
SUPPLY VOLTAGE, VCC (V)
4
0
LOGIC
THRESHOLD
(V)
1
2
3
4
56
7
8
LTC1090 TPC19
910
TA = 25°C
AMBIENT TEMPERATURE, TA (°C)
–50
INPUT
CHANNEL
LEAKAGE
CURRENT
(nA)
100
300
400
500
1000
700
0
50
75
LTC1090 TPC20
200
800
900
600
–25
25
100
125
GUARANTEED
ON CHANNEL
OFF CHANNELS
LTC1090 AI01
B9
(SB)
SHIFT A/D RESULT OUT AND
NEW CONFIGURATION WORD IN
B8
B7
B6
B5
B4
B3
B2
B1
B0
SHIFT CONFIGURATION
WORD IN
ODD/
SIGN
SGL/
DIFF
SEL1
DIN
CS
15
8
10
SCLK
DOUT
SEL0 UNI MSBF WL1 WL0
tCYC
tSMPL
tCONV
DON’T CARE
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC1090M | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Single Chip 10-Bit Data Acquisition System |
| LTC1090MJ | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Single Chip 10-Bit Data Acquisition System |
| LTC1090MJ/883 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Single-Ended Data Acquisition System |
| LTC1091 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:1-, 2-, 6- and 8-Channel, 10-Bit Serial I/O Data Acquisition Systems |
| LTC1091AC | 制造商:LINER 制造商全稱:Linear Technology 功能描述:1-, 2-, 6- and 8-Channel, 10-Bit Serial I/O Data Acquisition Systems |
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