参数资料
型号: LTC2309IF#PBF
厂商: Linear Technology
文件页数: 20/26页
文件大小: 0K
描述: IC ADC 12BIT SAR 20-TSSOP
标准包装: 74
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): 15mW
电压电源: 单电源
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 20-TSSOP
包装: 管件
输入数目和类型: 8 个单端,单极;8 个单端,双极;4 个差分,单极;4 个差分,双极
配用: DC1337A-ND - BOARD SAR ADC LTC2309
LTC2309
2309fd
COnVeRteR AnD MuLtIpLexeR CHARACteRIstICs
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Resolution(NoMissingCodes)
l
12
Bits
IntegralLinearityError
(Note6)
l
±0.45
±1
LSB
DifferentialLinearityError
l
±0.35
±1
LSB
BipolarZeroError
(Note7)
l
±1
±8
LSB
BipolarZeroErrorDrift
0.002
LSB/°C
BipolarZeroErrorMatch
±0.1
±3
LSB
UnipolarZeroError
(Note7)
l
±0.4
±6
LSB
UnipolarZeroErrorDrift
0.002
LSB/°C
UnipolarZeroErrorMatch
±0.2
±1
LSB
BipolarFull-ScaleError
ExternalReference(Note8)
REFCOMP=4.096V
l
±0.5
±0.4
±10
±9
LSB
BipolarFull-ScaleErrorDrift
ExternalReference
0.05
LSB/°C
BipolarFull-ScaleErrorMatch
±0.4
±3
LSB
UnipolarFull-ScaleError
QFNExternalReference(Note8)
TSSOPExternalReference(Note8)
l
±0.4
±0.5
±10
±12
LSB
REFCOMP=4.096V
l
±0.3
±6
LSB
UnipolarFull-ScaleErrorDrift
ExternalReference
0.05
LSB/°C
UnipolarFull-ScaleErrorMatch
±0.3
±2
LSB
The l denotes the specifications
which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Notes 4, 5)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN+
AbsoluteInputRange(CH0toCH7)
(Note9)
l
–0.05
REFCOMP
V
VIN–
AbsoluteInputRange(CH0toCH7,COM) Unipolar(Note9)
Bipolar(Note9)
l
–0.05
0.25REFCOMP
0.75REFCOMP
V
VIN+–VIN– InputDifferentialVoltageRange
VIN=VIN+–VIN–(Unipolar)
VIN=VIN+–VIN–(Bipolar)
l
0toREFCOMP
±REFCOMP/2
V
IIN
AnalogInputLeakageCurrent
l
±1
A
CIN
AnalogInputCapacitance
SampleMode
HoldMode
55
5
pF
CMRR
InputCommonModeRejectionRatio
70
dB
AnALOG Input The
l
denotes the specifications which apply over the full operating temperature range, otherwise
specifications are at TA = 25°C. (Note 4)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
SINAD
Signal-to-(Noise+Distortion)Ratio
fIN=1kHz
l
71
73.3
dB
SNR
Signal-to-NoiseRatio
fIN=1kHz
l
71
73.4
dB
THD
TotalHarmonicDistortion
fIN=1kHz,First5Harmonics
l
–88
–77
dB
SFDR
SpuriousFreeDynamicRange
fIN=1kHz
l
79
90
dB
Channel-to-ChannelIsolation
fIN=1kHz
–109
dB
FullLinearBandwidth
(Note11)
700
kHz
–3dBInputLinearBandwidth
25
MHz
ApertureDelay
13
ns
TransientResponse
Full-ScaleStep
240
ns
DYnAMIC ACCuRACY The
l
denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at TA = 25°C. AIN = –1dBFS. (Notes 4, 10)
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