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參數(shù)資料
| 型號： | LTC1594 |
| 廠商： | Linear Technology Corporation |
| 元件分類： | 串行ADC |
| 英文描述： | 8-Bit, 40 kSPS ADC Serial-Out, On-Chip 12-Ch. Analog Mux, 11 Ch. 20-SOIC |
| 中文描述： | 4 -和8通道，微采樣12位串行I /辦公自動(dòng)化/ D轉(zhuǎn)換器 |
| 文件頁數(shù)： | 1/24頁 |
| 文件大小： | 430K |
| 代理商： | LTC1594 |
1
LTC1594/LTC1598
4- and 8-Channel,
Micropower Sampling
12-Bit Serial I/O A/D Converters
The LTC
1594/LTC1598 are micropower, 12-bit sampling
A/D converters that feature 4- and 8-channel multiplexers,
respectively. They typically draw only 320
μ
A of supply
current when converting and automatically power down to
a typical supply current of 1nA between conversions. The
LTC1594 is available in a 16-pin SO package and the
LTC1598 is packaged in a 24-pin SSOP. Both operate on
a 5V supply. The 12-bit, switched-capacitor, successive
approximation ADCs include a sample-and-hold.
On-chip serial ports allow efficient data transfer to a wide
range of microprocessors and microcontrollers over three
or four wires. This, coupled with micropower consump-
tion, makes remote location possible and facilitates trans-
mitting data through isolation barriers.
The circuit can be used in ratiometric applications or with
an external reference. The high impedance analog inputs
and the ability to operate with reduced spans (to 1.5V full
scale) allow direct connection to sensors and transducers
in many applications, eliminating the need for gain stages.
FEATURES
DESCRIPTIO
N
U
MICROWIRE is a trademark of National Semiconductor Corporation.
, LTC and LT are registered trademarks of Linear Technology Corporation.
I
12-Bit Resolution
I
Auto Shutdown to 1nA
I
Low Supply Current: 320
μ
A Typ
I
Guaranteed
±
3/4LSB Max DNL
I
Single Supply 5V Operation
(3V Versions Available: LTC1594L/LTC1598L)
I
Multiplexer: 4-Channel MUX (LTC1594)
8-Channel MUX (LTC1598)
I
Separate MUX Output and ADC Input Pins
I
MUX and ADC May Be Controlled Separately
I
Sampling Rate: 16.8ksps
I
I/O Compatible with QSPI, SPI and MICROWIRE
TM
, etc.
I
Small Package: 16-Pin Narrow SO (LTC1594)
24-Pin SSOP (LTC1598)
APPLICATIO
S
U
I
Pen Screen Digitizing
I
Battery-Operated Systems
I
Remote Data Acquisition
I
Isolated Data Acquisition
I
Battery Monitoring
I
Temperature Measurement
TYPICAL APPLICATIO
N
U
24
μ
W, 4-Channel, 12-Bit ADC Samples at 200Hz and Runs Off a 5V Supply
ANALOG
INPUTS
0V TO 5V
RANGE
1k
1
μ
F
1594/98 TA01
OPTIONAL
ADC FILTER
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7
20
21
22
23
24
1
2
3
+
–
8-CHANNEL
MUX
8
COM
GND
4, 9
MPU
SERIAL DATA LINK
MICROWIRE AND
SPI COMPATABLE
10
6
5, 14
7
11
CSADC
CSMUX
CLK
D
IN
D
OUT
12
13
NC
NC
12-BIT
SAMPLING
ADC
ADCIN
MUXOUT
18
17
16
V
REF
15, 19
V
CC
1
μ
F
5V
SAMPLE FREQUENCY (kHz)
0.1
1
S
μ
A
10
100
1000
1
10
100
1594/98 TA02
T
A
= 25
°
C
V
CC
= 5V
V
REF
= 5V
f
CLK
= 320kHz
Supply Current vs Sample Rate
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LTC1598IG | 4- and 8-Channel, Micropower Sampling 12-Bit Serial I/O A/D Converters |
| LTC1594CS | 4- and 8-Channel, Micropower Sampling 12-Bit Serial I/O A/D Converters |
| LTC1594IS | 4- and 8-Channel, Micropower Sampling 12-Bit Serial I/O A/D Converters |
| LTC1598 | 4- and 8-Channel, Micropower Sampling 12-Bit Serial I/O A/D Converters |
| LTC1598CG | 8-Bit, 25kSPS ADC Serial-Out, On-Chip 11-Ch. Analog MUX 20-PDIP |
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| LTC1594CS#PBF | 功能描述:IC A/D CONV 12BIT SRL 4CH 16SOIC RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:microPOWER™ 位數(shù):8 采樣率（每秒）:1M 數(shù)據(jù)接口:串行，SPI? 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:- 電壓電源:模擬和數(shù)字 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:24-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:24-VQFN 裸露焊盤（4x4） 包裝:Digi-Reel® 輸入數(shù)目和類型:8 個(gè)單端，單極 產(chǎn)品目錄頁面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6 |
| LTC1594CS#TR | 功能描述:IC ADC 12BIT 5V 4CH SAMPL 16SOIC RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 位數(shù):16 采樣率（每秒）:45k 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:315mW 電壓電源:模擬和數(shù)字 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數(shù)目和類型:2 個(gè)單端，單極 |
| LTC1594CS#TRPBF | 功能描述:IC A/D CONV 12BIT SRL 4CH 16SOIC RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 位數(shù):16 采樣率（每秒）:45k 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:315mW 電壓電源:模擬和數(shù)字 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數(shù)目和類型:2 個(gè)單端，單極 |
| LTC1594CSPBF | 制造商:Linear Technology 功能描述:LTC1594CSPBF |
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