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参数资料
| 型号： | DC1444A-B |
| 厂商： | Linear Technology |
| 文件页数： | 22/26页 |
| 文件大小： | 0K |
| 描述： | BOARD SAR ADC LTC2305 |
| 软件下载： | QuikEval System |
| 设计资源： | DC1444A Design File DC1444A Schematic |
| 标准包装： | 1 |
| 系列： | QuikEval™ |
| ADC 的数量： | 2 |
| 位数： | 12 |
| 采样率（每秒）： | 14k |
| 数据接口： | I²C，串行 |
| 在以下条件下的电源（标准）： | 1.5mW @ 1kSPS |
| 工作温度： | 0°C ~ 70°C |
| 已用 IC / 零件： | LTC2305 |
| 已供物品： | 板 |
| 相关产品： | LTC2305IMS#TRPBF-ND - IC ADC 12-BIT 2CHN 12-MSOP LTC2305IDE#TRPBF-ND - IC ADC 12-BIT 2CHN 12-DFN LTC2305IDE#PBF-ND - IC ADC 12-BIT 2CHN 12-DFN LTC2305HMS#TRPBF-ND - IC ADC 12-BIT 2CHN 12-MSOP LTC2305HMS#PBF-ND - IC ADC 12-BIT 2CHN 12-MSOP LTC2305CMS#TRPBF-ND - IC ADC 12-BIT 2CHN 12-MSOP LTC2305CMS#PBF-ND - IC ADC 12-BIT 2CHN 12-MSOP LTC2305CDE#TRPBF-ND - IC ADC 12-BIT 2CHN 12-DFN LTC2305CDE#PBF-ND - IC ADC 12-BIT 2CHN 12-DFN LTC2305IMS#PBF-ND - IC ADC 12BIT I2C 12-MSOP |
LTC2301/LTC2305
5
23015fb
POWER REQUIREMENTS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VDD
Supply Voltage
l
4.75
5
5.25
V
IDD
Supply Current
Nap Mode
Sleep Mode
14ksps Sample Rate
SLP Bit = 0, Conversion Done
SLP Bit = 1, Conversion Done
l
2.3
225
7
3.5
400
15
mA
μA
PD
Power Dissipation
Nap Mode
Sleep Mode
14ksps Sample Rate
SLP Bit = 0, Conversion Done
SLP Bit = 1, Conversion Done
l
11.5
1.125
35
17.5
2
75
mW
μW
The
l denotes the specications which apply over the full operating temperature
range, otherwise specications are at TA = 25°C. (Note 4)
I2C TIMING CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
fSCL
SCL Clock Frequency
l
400
kHz
tHD(SDA)
Hold Time (Repeated) START Condition
l
0.6
μs
tLOW
LOW Period of the SCL Pin
l
1.3
μs
tHIGH
HIGH Period of the SCL Pin
l
0.6
μs
tSU(STA)
Set-Up Time for a Repeated START
Condition
l
0.6
μs
tHD(DAT)
Data Hold Time
l
0
0.9
μs
tSU(DAT)
Data Set-Up Time
l
100
ns
tr
Rise Time for SDA/SCL Signals
(Note 11)
l
20 + 0.1CB
300
ns
tf
Fall Time for SDA/SCL Signals
(Note 11)
l
20 + 0.1CB
300
ns
tSU(STO)
Set-Up Time for STOP Condition
l
0.6
μs
tBUF
Bus Free Time Between a Second START
Condition
l
1.3
μs
The
l denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C. (Note 4)
ADC TIMING CHARACTERISTICS The l denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C. (Note 4)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
fSMPL
Throughput Rate (Successive Reads)
l
14
ksps
tCONV
Conversion Time
l
1.3
1.6
μs
tACQ
Acquisition Time
(Note 8)
l
240
ns
tREFWAKE
REFCOMP Wakeup Time (Note 12)
CREFCOMP = 10μF, CREF = 2.2μF
200
ms
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