参数资料
型号: LTC1863LCGN#TRPBF
厂商: Linear Technology
文件页数: 1/16页
文件大小: 0K
描述: IC ADC 12BIT 8CH 175KSPS 16SSOP
标准包装: 2,500
位数: 12
采样率(每秒): 175k
数据接口: MICROWIRE?,串行,SPI?
转换器数目: 1
功率耗散(最大): 2.7mW
电压电源: 单电源
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 16-SSOP(0.154",3.90mm 宽)
供应商设备封装: 16-SSOP
包装: 带卷 (TR)
输入数目和类型: 8 个单端,单极;8 个单端,双极;4 个差分,单极;4 个差分,双极
LTC1863L/LTC1867L
1
1863l7lfc
BLOCK DIAGRAM
DESCRIPTION
FEATURES
APPLICATIONS
n Industrial Process Control
n High Speed Data Acquisition
n Battery Operated Systems
n Multiplexed Data Acquisition Systems
n Imaging Systems
n Sample Rate: 175ksps
n 16-Bit No Missing Codes and ±3LSB Max INL
n 8-Channel Multiplexer with:
Single Ended or Differential Inputs and
Unipolar or Bipolar Conversion Modes
n SPI/MICROWIRE Serial I/O
n 2.7V Guaranteed Supply Voltage
n Pin Compatible with LTC1863/LTC1867
n True Differential Inputs
n On-Chip or External Reference
n Low Power: 750μA at 175ksps, 300μA at 50ksps
n Sleep Mode
n Automatic Nap Mode Between Conversions
n 16-Pin Narrow SSOP Package
The LTC1863L/LTC1867L are pin compatible, 8-channel
12-/16-bit A/D converters with serial I/O and an internal
reference.
The 8-channel input multiplexer can be congured for
either single-ended or differential inputs and unipolar or
bipolar conversions (or combinations thereof). The ADCs
convert 0V to 2.5V unipolar inputs or ±1.25V bipolar
inputs. The ADCs typically draw only 750μA from a single
2.7V supply. The automatic nap and sleep modes benet
power sensitive applications.
The LTC1867L’s DC performance is outstanding with a
±3LSB INL specication and 16-bit no missing codes
over temperature.
Housed in a compact, narrow 16-pin SSOP package, the
LTC1863L/LTC1867L can be used in space-sensitive as
well as low power applications.
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7/COM
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
VDD
GND
SDI
SDO
SCK
CS/CONV
VREF
1863L7L BD
SERIAL
PORT
ANALOG
INPUT
MUX
REFCOMP
9
INTERNAL
1.25V REF
LTC1863L/LTC1867L
12-/16-BIT
175ksps
ADC
+
Integral Nonlinearity vs Output Code
(LTC1867L)
OUTPUT CODE
0
INL
(LSB)
0
0.5
1.0
65536
1863L7L G01
–0.5
–1.0
–2.0
16384
32768
49152
–1.5
2.0
1.5
VDD = 2.7V
fSAMPLE = 175ksps
Micropower, 3V,
12-/16-Bit, 8-Channel
175ksps ADCs
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