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| 型号： | DC570A |
| 厂商： | Linear Technology |
| 文件页数： | 28/28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： | 板 |
| 相关产品： | LTC2440CGN#TRPBF-ND - IC ADC DIFFER 24-BIT HS 16-SSOP LTC2440IGN#TRPBF-ND - IC ADC DIFFER 24-BIT HS 16-SSOP LTC2440IGN#PBF-ND - IC ADC DIFFER 24-BIT HS 16-SSOP LTC2440CGN#PBF-ND - IC ADC DIFFER 24-BIT HS 16-SSOP LTC2440IGN#TR-ND - IC CONV A/D 24-BIT DIFF 16-SSOP LTC2440CGN#TR-ND - IC CONV A/D 24-BIT DIFF 16-SSOP LTC2440IGN-ND - IC ADC DIFFER 24-BIT HS 16-SSOP LTC2440CGN-ND - IC ADC DIFFER 24-BIT HS 16-SSOP |
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LTC2440
9
2440fd
FUNCTIONAL BLOCK DIAGRAM
TEST CIRCUITS
APPLICATIONS INFORMATION
Figure 1. Functional Block Diagram
Figure 2. LTC2440 State Transition Diagram
CONVERTER OPERATION
Converter Operation Cycle
The LTC2440 is a high speed, delta-sigma analog-to-digital
converter with an easy to use 4-wire serial interface (see
Figure 1). Its operation is made up of three states. The
converter operating cycle begins with the conversion,
followed by the low power sleep state and ends with the
data output (see Figure 2). The 4-wire interface consists
of serial data input (SDI), serial data output (SDO), serial
clock (SCK) and chip select (CS). The interface, timing,
operation cycle and data out format is compatible with
the LTC2410.
AUTOCALIBRATION
AND CONTROL
DAC
DECIMATING FIR
INTERNAL
OSCILLATOR
SERIAL
INTERFACE
ADC
GND
VCC
IN+
IN–
SDO
SCK
REF+
REF–
CS
SDI
BUSY
EXT
fO
(INT/EXT)
2440 F01
–+
+
–
1.69k
SDO
2440 TA03
Hi-Z TO VOH
VOL TO VOH
VOH TO Hi-Z
CLOAD = 20pF
1.69k
SDO
2440 TA04
Hi-Z TO VOL
VOH TO VOL
VOL TO Hi-Z
CLOAD = 20pF
VCC
CONVERT
SLEEP
DATA OUTPUT
2440 F02
TRUE
FALSE
CS = LOW
AND
SCK
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| DC57-10G-5PN | 制造商:Conesys 功能描述:CONN 26482 CIRC PIN 5 POS CRMP ST CBL MNT - Bulk |
| DC57-12J12PN | 制造商:Conesys 功能描述:CONN 26482 CIRC PIN 12 POS CRMP ST CBL MNT - Bulk |
| DC57-14-04PN | 制造商:Conesys 功能描述:CONN 26482 CIRC PIN 4 POS CRMP ST CBL MNT - Bulk |
| DC57-14-04PN-CO | 制造商:Conesys 功能描述:CONN 26482 CIRC PIN 4 POS CRMP ST CBL MNT - Bulk |
| DC57-18G31PN | 制造商:Conesys 功能描述:CONN 26482 CIRC PIN 31 POS CRMP ST CBL MNT - Bulk |
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