参数资料
型号: LTC2305CDE#TRPBF
厂商: Linear Technology
文件页数: 20/26页
文件大小: 0K
描述: IC ADC 12-BIT 2CHN 12-DFN
标准包装: 2,500
位数: 12
采样率(每秒): 14k
数据接口: I²C,串行
转换器数目: 1
功率耗散(最大): 17.5mW
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: 12-WFDFN 裸露焊盘
供应商设备封装: 12-DFN(4x3)
包装: 带卷 (TR)
输入数目和类型: 2 个单端,单极;2 个单端,双极;1 个差分,单极;1 个差分,双极
配用: DC1444A-B-ND - BOARD SAR ADC LTC2305
LTC2301/LTC2305
3
23015fb
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC2305IMS#PBF
LTC2305IMS#TRPBF
2305
12-Lead Plastic MSOP
–40°C to 85°C
LTC2305HMS#PBF
LTC2305HMS#TRPBF
2305
12-Lead Plastic MSOP
–40°C to 125°C
Consult LTC Marketing for parts specied with wider operating temperature ranges. *The temperature grade is identied by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based nish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specications, go to: http://www.linear.com/tapeandreel/
CONVERTER AND MULTIPLEXER CHARACTERISTICS
The
l denotes the specications which apply over the full operating temperature range, otherwise specications are at TA = 25°C. (Note 4)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Resolution (No Missing Codes)
l
12
Bits
Integral Linearity Error
(Note 5)
l
±0.4
±1
LSB
Differential Linearity Error
l
±0.3
±1
LSB
Bipolar Zero Error
(Note 6)
l
±0.5
±8
LSB
Bipolar Zero Error Drift
0.002
LSB/°C
Unipolar Zero Error
(Note 6)
l
±0.7
±6
LSB
Unipolar Zero Error Drift
0.002
LSB/°C
Unipolar Zero Error Match (LTC2305)
±0.1
±1
LSB
Bipolar Full-Scale Error
External Reference (Note 7)
REFCOMP = 4.096V (Note 7)
l
±1
±0.9
±10
±9
LSB
Bipolar Full-Scale Error Drift
External Reference
0.05
LSB/°C
Unipolar Full-Scale Error
External Reference (Note 7)
REFCOMP = 4.096V (Note 7)
l
±0.5
±0.7
±10
±6
LSB
Unipolar Full-Scale Error Drift
External Reference
0.05
LSB/°C
Unipolar Full-Scale Error Match (LTC2305)
±0.1
±2
LSB
ANALOG INPUT
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN+
Absolute Input Range (CH0, CH1, IN+)
(Note 8)
l
–0.05
REFCOMP
V
VIN
Absolute Input Range (CH0, CH1, IN)
Unipolar (Note 8)
Bipolar (Note 8)
l
–0.05
0.25 REFCOMP
0.75 REFCOMP
V
VIN+ – VIN
Input Differential Voltage Range
VIN = VIN+ – VIN– (Unipolar)
VIN = VIN+ – VIN– (Bipolar)
l
0 to REFCOMP
±REFCOMP/2
V
IIN
Analog Input Leakage Current
l
±1
μA
CIN
Analog Input Capacitance
Sample Mode
Hold Mode
55
5
pF
CMRR
Input Common Mode Rejection Ratio
70
dB
The
l denotes the specications which apply over the full operating temperature range, otherwise
specications are at TA = 25°C. (Note 4)
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