参数资料
型号: DC570A
厂商: Linear Technology
文件页数: 8/28页
文件大小: 0K
描述: BOARD DELTA SIGMA ADC LTC2440
软件下载: QuikEval System
设计资源: DC570A Design File
DC570A Schematic
标准包装: 1
系列: QuikEval™
ADC 的数量: 2
位数: 24
采样率(每秒): 3.5k
数据接口: MICROWIRE?,串行,SPI?
工作温度: 0°C ~ 70°C
已用 IC / 零件: LTC2440
已供物品:
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LTC2440CGN-ND - IC ADC DIFFER 24-BIT HS 16-SSOP
LTC2440
16
2440fd
APPLICATIONS INFORMATION
Figure 6. External Serial Clock, Reduced Data Output Length
Figure 7. External Serial Clock, CS = 0 Operation (2-Wire)
SDO
15
BUSY
SCK
(EXTERNAL)
CS
DATA OUTPUT
CONVERSION
SLEEP
TEST EOC
DATA OUTPUT
Hi-Z
CONVERSION
2410 F06
MSB
SIG
BIT 8
BIT 27
BIT 9
BIT 28
BIT 29
BIT 30
EOC
BIT 31
BIT 0
EOC
Hi-Z
TEST EOC
= EXTERNAL OSCILLATOR
= INTERNAL OSCILLATOR
VCC
fO
REF+
REF
SCK
IN+
IN
SDO
GND
CS
EXT
2
14
BUSY
15
3
4
13
5
6
12
1, 8, 9, 16
11
10
SDI
7
REFERENCE VOLTAGE
0.1V TO VCC
ANALOG INPUT RANGE
–0.5VREF TO 0.5VREF
1μF
4.5V TO 5.5V
LTC2440
3-WIRE
SPI INTERFACE
200nV NOISE, 50/60Hz REJECTION
10-SPEED/RESOLUTION PROGRAMMABLE
2μV NOISE, 880Hz OUTPUT RATE
VCC
EOC
BIT 31
SDO
BUSY
SCK
(EXTERNAL)
CS
MSB
SIG
BIT 0
LSB24
BIT 5
BIT 27
BIT 26
BIT 28
BIT 29
BIT 30
SLEEP
DATA OUTPUT
CONVERSION
2440 F07
CONVERSION
= EXTERNAL OSCILLATOR
= INTERNAL OSCILLATOR
VCC
fO
REF+
REF
SCK
IN+
IN
SDO
GND
CS
EXT
2
14
BUSY
15
3
4
13
5
6
12
1, 8, 9, 16
11
10
SDI
7
REFERENCE VOLTAGE
0.1V TO VCC
ANALOG INPUT RANGE
–0.5VREF TO 0.5VREF
1μF
4.5V TO 5.5V
LTC2440
3-WIRE
SPI INTERFACE
200nV NOISE, 50/60Hz REJECTION
10-SPEED/RESOLUTION PROGRAMMABLE
2μV NOISE, 880Hz OUTPUT RATE
VCC
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