參數(shù)資料
型號(hào): DC1186A
廠商: Linear Technology
文件頁(yè)數(shù): 14/20頁(yè)
文件大?。?/td> 0K
描述: BOARD SAR ADC LTC2308
軟件下載: QuikEval System
設(shè)計(jì)資源: DC1186A Design File
DC1186A Schematic
標(biāo)準(zhǔn)包裝: 1
系列: QuikEval™
ADC 的數(shù)量: 1
位數(shù): 12
采樣率(每秒): 500k
數(shù)據(jù)接口: MICROWIRE?,串行,SPI?
已用 IC / 零件: LTC2308
已供物品:
相關(guān)產(chǎn)品: LTC2308IUF#TRPBF-ND - IC ADC 12BIT 500KSPS 24-QFN
LTC2308CUF#TRPBF-ND - IC ADC 12BIT 500KSPS 24-QFN
LTC2308IUF#PBF-ND - IC ADC 12BIT 8CH 500KSPS 24-QFN
LTC2308CUF#PBF-ND - IC ADC 12BIT 8CH 500KSPS 24-QFN
LTC2308
3
2308fb
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Bipolar Full-Scale Error
External Reference (Note 8)
l
±1
±9
LSB
Bipolar Full-Scale Error Drift
External Reference
0.05
LSB/°C
Bipolar Full-Scale Error Match
l
±0.5
±3
LSB
Unipolar Full-Scale Error
External Reference (Note 8)
l
±1.5
±8
LSB
Unipolar Full-Scale Error Drift
External Reference
0.05
LSB/°C
Unipolar Full-Scale Error Match
l
±0.4
±3
LSB
CONVERTER AND MULTIPLEXER CHARACTERISTICS The l denotes the specications
which apply over the full operating temperature range, otherwise specications are at TA = 25°C. (Notes 4, 5)
ANALOG INPUT 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
VIN+
Absolute Input Range (CH0 to CH7)
(Note 9)
l
–0.05
REFCOMP
V
VIN–
Absolute Input Range (CH0 to CH7,
COM)
Unipolar (Note 9)
Bipolar (Note 9)
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
DYNAMIC ACCURACY The l denotes the specications which apply over the full operating temperature range,
otherwise specications are at TA = 25°C and AIN = –1dBFS. (Notes 4, 10)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
SINAD
Signal-to-(Noise + Distortion) Ratio
fIN = 1kHz
l
71
73.3
dB
SNR
Signal-to-Noise Ratio
fIN = 1kHz
l
71
73.4
dB
THD
Total Harmonic Distortion
fIN = 1kHz, First 5 Harmonics
l
–90
–78
dB
SFDR
Spurious Free Dynamic Range
fIN = 1kHz
l
80
90
dB
Channel-to-Channel Isolation
fIN = 1kHz
–109
dB
Full Linear Bandwidth
(Note 11)
700
kHz
–3dB Input Linear Bandwidth
25
MHz
Aperture Delay
13
ns
Transient Reponse
Full-Scale Step
240
ns
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