参数资料
型号: LTC1293CCSW#TRPBF
厂商: Linear Technology
文件页数: 3/28页
文件大小: 0K
描述: IC DATA ACQ SYSTEM 12BIT 16-SOIC
标准包装: 1,000
类型: 数据采集系统(DAS),ADC
分辨率(位): 12 b
采样率(每秒): 46.5k
数据接口: 串行,并联
电压电源: 双 ±
电源电压: ±5V,5V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 16-SOIC(0.295",7.50mm 宽)
供应商设备封装: 16-SOIC
包装: 带卷 (TR)
11
LTC1293/LTC1294/LTC1296
129346fs
U
S
A
O
PPLICATI
WU
U
I FOR ATIO
MUX ADDRESS
SGL/
DIFF
DIFFERENTIAL CHANNEL SELECTION
00
0
+
00
0
1
+
00
1
0
+
00
1
+
01
0
+
01
0
1
+
01
1
0
+
01
1
+
0
1
2
3
4
5
6
7
Table 1a. LTC1294/6 Multiplexer Channel Selection
MUX ADDRESS
SINGLE-ENDED CHANNEL SELECTION
0
1
2
3
4
5
6
7
COM
00
0
+
00
0
1
+
00
1
0
+
00
1
01
0
+
01
0
1
+
01
1
0
+
01
1
Table 1b. LTC1293 Channel Selection
0
1
2
3
4
5
MUX ADDRESS
Not Used
Unipolar/Bipolar (UNI)
The UNI bit determines whether the conversion will be
unipolar or bipolar. When UNI is a logical one, a unipolar
conversion will be performed on the selected input volt-
age. When UNI is a logical zero, a bipolar conversion will
result. The input span and code assignment for each
conversion type are shown in the figures below:
Unipolar Output Code (UNI = 1)
ODD
SIGN
SELECT
1
0
SGL/
DIFF
SELECT
1
0
ODD
SIGN
10
0
+
10
0
1
+
10
1
0
+
10
1
+
11
0
+
11
0
1
+
11
1
0
+
11
1
+
DIFFERENTIAL CHANNEL SELECTION
SINGLE-ENDED CHANNEL SELECTION
MUX ADDRESS
SGL/
DIFF
ODD
SIGN
SELECT
1
0
SGL/
DIFF
ODD
SIGN
SELECT
1
0
1
2
3
4
5
COM
10
0
+
10
0
1
+
10
1
0
+
10
1
11
0
+
11
0
1
+
11
1
0
+
11
1
0V
1LSB
V
REF
–2LSB
V
REF
–1LSB
V
REF
VIN
0 0 0 0 0 0 0 0 0 0 0 1
0 0 0 0 0 0 0 0 0 0 0 0
1 1 1 1 1 1 1 1 1 1 1 1
1 1 1 1 1 1 1 1 1 1 1 0
LTC1293 AI03b
OUTPUT CODE
1 1 1 1 1 1 1 1 1 1 1 1
1 1 1 1 1 1 1 1 1 1 1 0
0 0 0 0 0 0 0 0 0 0 0 1
0 0 0 0 0 0 0 0 0 0 0 0
INPUT VOLTAGE
VREF – 1LSB
VREF – 2LSB
1LSB
0V
INPUT VOLTAGE
(VREF = 5V)
4.9988V
4.9976V
0.0012V
0V
LTC1293 AI03a
Unipolar Transfer Curve (UNI = 1)
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