参数资料
型号: LTC2411CMS#TRPBF
厂商: Linear Technology
文件页数: 40/40页
文件大小: 0K
描述: IC A/D CONV 24BIT MICRPWR 10MSOP
标准包装: 2,500
位数: 24
采样率(每秒): 7.5
数据接口: MICROWIRE?,串行,SPI?
转换器数目: 2
功率耗散(最大): 1mW
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: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)
供应商设备封装: 10-MSOP
包装: 带卷 (TR)
输入数目和类型: 1 个差分,双极
LTC2411/LTC2411-1
9
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Offset Error vs Output Data Rate
Resolution (NOISERMS ≤ 1LSB)
vs Output Data Rate
OUTPUT DATA RATE (READINGS/SEC)
–120
OFFSET
ERROR
(ppm
OF
V
REF
)
–60
–20
40
–80
–100
–40
20
0
20
40
60
80
2411 G28
100
10
030
50
70
90
VCC = 5V
REF= GND
VINCM = 2.5V
VIN = 0V
FO = EXT OSC
TA = 25°C
VREF = 2.5V
VREF = 5V
OUTPUT DATA RATE (READINGS/SEC)
0
RESOLUTION
(BITS)
20
21
80
2411 G29
19
18
20
40 50
100
22
60
10
30
90
70
VCC = 5V
REF= GND
VINCM = 2.5V
VIN = 0V
FO = EXT OSC
RES = LOG2(VREF/NOISERMS)
TA = 25°C
VREF = 2.5V
VREF = 5V
Resolution (INLMAX ≤ 1LSB)
vs Output Data Rate
OUTPUT DATA RATE (READINGS/SEC)
10
RESOLUTION
(BITS)
14
18
22
12
16
20
40
60
80
2411 G30
100
10
030
50
70
90
VCC = 5V
REF= GND
VINCM = 2.5V
VIN = 0V
FO = EXT OSC
RES = LOG2(VREF/INLMAX)
TA = 25°C
VREF = 2.5V
VREF = 5V
VCC (Pin 1): Positive Supply Voltage. Bypass to GND
(Pin 6) with a 10
F tantalum capacitor in parallel with
0.1
F ceramic capacitor as close to the part as possible.
REF+ (Pin 2), REF(Pin 3): Differential Reference Input.
The voltage on these pins can have any value between GND
and VCC as long as the reference positive input, REF+, is
more positive than the reference negative input, REF , by
at least 0.1V.
IN+ (Pin 4), IN(Pin 5): Differential Analog Input. The
voltage on these pins can have any value between
GND – 0.3V and VCC + 0.3V. Within these limits, the
converter bipolar input range (VIN = IN+ – IN) extends
from – 0.5 (VREF) to 0.5 (VREF). Outside this input
range, the converter produces unique overrange and
underrange output codes.
GND (Pin 6): Ground. Connect this pin to a ground plane
through a low impedance connection.
CS (Pin 7): Active LOW Digital Input. A LOW on this pin
enables the SDO digital output and wakes up the ADC.
Following each conversion the ADC automatically enters
UU
U
PI FU CTIO S
Conversion Current
vs Temperature
Sleep Mode Current
vs Temperature
TEMPERATURE (
°C)
–45
CONVERSION
CURRENT
(
A)
200
210
220
75
2411 G25
190
180
160
–15
15
45
–30
90
0
30
60
170
240
230
FO = GND
CS = GND
SCK = NC
SDO = NC
VCC = 5.5V
VCC = 2.7V
VCC = 5V
VCC = 3V
Conversion Current
vs Output Data Rate
OUTPUT DATA RATE (READINGS/SEC)
0
SUPPLY
CURRENT
(
A)
450
550
650
80
2411 G26
350
250
400
500
600
300
200
150
20
10
40
30
60 70
90
50
100
REF+ = VCC
REF= GND
IN+ = GND
IN= GND
TA = 25°C
SCK = NC
SDO = NC
CS = GND
FO = EXT OSC
VCC = 3V
VCC = 5V
TEMPERATURE (
°C)
–45
SLEEP
MODE
CURRENT
(
A)
1
2
3
75
2411 G27
0
–15
15
45
–30
90
0
30
60
5
4
FO = GND
CS = VCC
SCK = NC
SDO = NC
VCC = 5.5V
VCC = 2.7V
VCC = 5V
VCC = 3V
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