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參數(shù)資料
| 型號： | LTC1859CG |
| 廠商： | Linear Integrated Systems |
| 英文描述： | 8-Channel, 12-/14-/16-Bit, 100ksps SoftSpan A/D Converters with Shutdown |
| 中文描述： | 8通道，12-/14-/16-Bit，100ksps的具有關斷SoftSpan的A / D轉(zhuǎn)換器 |
| 文件頁數(shù)： | 1/20頁 |
| 文件大?。?/td> | 265K |
| 代理商： | LTC1859CG |
1
LTC1857/LTC1858/LTC1859
8-Channel, 12-/14-/16-Bit,
100ksps SoftSpan A/D Converters
185789f
with Shutdown
The LTC
1857/LTC1858/LTC1859 are 8-channel, low
power, 12-/14-/16-bit, 100ksps, analog-to-digital con-
verters (ADCs). These SoftSpan
TM
ADCs can be software-
programmed for 0V to 5V, 0V to 10V,
±
5V or
±
10V input
spans and operate from a single 5V supply. The 8-chan-
nel multiplexer can be programmed for single-ended
inputs or pairs of differential inputs or combinations of
both. In addition, all channels are fault protected to
±
25V.
A fault condition on any channel will not affect the
conversion result of the selected channel.
An onboard high performance sample-and-hold and pre-
cision reference minimize external components. The low
40mW power dissipation is made even more attractive
with two user selectable power shutdown modes. DC speci-
fications include
±
3LSB INL for the LTC1859,
±
1.5LSB
INL for the LTC1858 and
±
1LSB for the LTC1857.
The internal clock is trimmed for 5
μ
s maximum conver-
sion time and the sampling rate is guaranteed at 100ksps.
A separate convert start input and data ready signal (BUSY)
ease connections to FIFOs, DSPs and microprocessors.
■
Sample Rate: 100ksps
■
8-Channel Multiplexer with
±
25V Protection
■
Single 5V Supply
■
Software-Programmable Input Ranges:
0V to 5V, 0V to 10V,
±
5V or
±
10V
Single Ended or Differential
■
±
3LSB INL for the LTC1859,
±
1.5LSB INL for the
LTC1858,
±
1LSB INL for the LTC1857
■
Power Dissipation: 40mW (Typ)
■
SPI/MICROWIRE
TM
Compatible Serial I/O
■
Power Shutdown: Nap and Sleep
■
Signal-to-Noise Ratio: 87dB (Typ) for the LTC1859
■
Operates with Internal or External Reference
■
Internal Synchronized Clock
■
28-Pin SSOP Package
, LTC and LT are registered trademarks of Linear Technology Corporation.
SoftSpan is a trademark of Linear Technology Corporation.
MICROWIRE is a trademark of National Semiconductor Corporation.
COM
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7
MUXOUT
+
MUXOUT
–
ADC
+
ADC
–
AGND1
CONVST
RD
SCK
SDI
DGND
SDO
BUSY
OV
DD
DV
DD
AV
DD
AGND3
AGND2
REFCOMP
V
REF
LTC1857/
LTC1858/
LTC1859
SOFTWARE-PROGRAMMABLE
SINGLE-ENDED OR
DIFFERENTIAL INPUTS
(0V TO 5V, 0V TO 10V,
±
5V OR
±
10V)
10
μ
F
10
μ
F
1
μ
F
10
μ
F
3V TO 5V
5V
5V
2.5V
10
μ
F
μ
P
CONTROL
LINES
100kHz, 12-Bit/14-Bit/16-Bit Sampling ADC
■
Industrial Process Control
■
Multiplexed Data Acquisition Systems
■
High Speed Data Acquisition for PCs
■
Digital Signal Processing
CODE
–32768
I
0
0.5
1.0
0
1859 TA02
–0.5
–1.0
–2.0
–16384
16384
32767
–1.5
2.0
1.5
LTC1859 Typical INL Curve
DESCRIPTIOU
FEATURES
APPLICATIU
TYPICAL APPLICATIO
U
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| LTC1859IG#PBF | 功能描述:IC A/D CONV 8CH 16BIT 28-SSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:SoftSpan™ 標準包裝:1 系列:- 位數(shù):14 采樣率（每秒）:83k 數(shù)據(jù)接口:串行，并聯(lián) 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:95mW 電壓電源:雙 ± 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:28-DIP（0.600"，15.24mm） 供應商設備封裝:28-PDIP 包裝:管件 輸入數(shù)目和類型:1 個單端，雙極 |
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