參數(shù)資料
型號(hào)： DC682A
廠商： Linear Technology
文件頁(yè)數(shù)： 15/20頁(yè)
文件大?。?/td> 0K
描述： BOARD SAR ADC LTC1859
軟件下載： QuikEval System
設(shè)計(jì)資源： DC682A Design File
DC682A Schematic
標(biāo)準(zhǔn)包裝： 1
系列： QuikEval™, SoftSpan™
ADC 的數(shù)量： 1
位數(shù)： 16
采樣率（每秒）： 100k
數(shù)據(jù)接口： MICROWIRE?，串行，SPI?
工作溫度： 0°C ~ 70°C
已用 IC / 零件： LTC1859
已供物品： 板
相關(guān)產(chǎn)品： LTC1859CG#PBF-ND - IC ADC 8CH 16BIT 100KSPS 28-SSOP
LTC1859IG#PBF-ND - IC A/D CONV 8CH 16BIT 28-SSOP
LTC1859IG#TRPBF-ND - IC A/D CONV 8CH 16BIT 28-SSOP
LTC1859CG#TRPBF-ND - IC A/D CONV 8CH 16BIT 28-SSOP
LTC1857/LTC1858/LTC1859
4
185789fa
DYNAMIC ACCURACY
SYMBOL PARAMETER
CONDITIONS
LTC1857
LTC1858
LTC1859
UNITS
MIN
TYP
MAX
MIN
TYP
MAX
MIN
TYP
MAX
S/(N + D) Signal-to-(Noise + Distortion) Ratio 1kHz Input Signal
74
83
87
dB
THD
Total Harmonic Distortion
1kHz Input Signal,
First Five Harmonics
–101
dB
Peak Harmonic or Spurious Noise
1kHz Input Signal
–103
dB
Channel-to-Channel Isolation
1kHz Input Signal
–120
dB
–3dB Input Bandwidth
1
MHz
Aperture Delay
–70
ns
Aperture Jitter
60
ps
Transient Response
Full-Scale Step
(Note 9)
444
μs
Overvoltage Recovery
(Note 13)
150
ns
The
l denotes the specications which apply over the full operating temperature range,
otherwise specications are at TA = 25°C. MUXOUT connected to ADC inputs. (Notes 5, 12)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VREF Output Voltage
IOUT = 0
l
2.475
2.5
2.525
V
VREF Output Temperature Coefcient
IOUT = 0
±10
ppm/°C
VREF Output Impedance
–0.1mA ≤ IOUT ≤ 0.1mA
8
kΩ
VREFCOMP Output Voltage
IOUT = 0
4.096
V
INTERNAL REFERENCE CHARACTERISTICS The l denotes the specications which apply over the
full operating temperature range, otherwise specications are at TA = 25°C. (Note 5)
DIGITAL INPUTS AND DIGITAL OUTPUTS The l denotes the specications which apply over the
full operating temperature range, otherwise specications are at TA = 25°C. (Note 5)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIH
High Level Input Voltage
VDD = 5.25V
l
2.4
V
VIL
Low Level Input Voltage
VDD = 4.75V
l
0.8
V
IIN
Digital Input Current
VIN = 0V to VDD
l
±10
μA
CIN
Digital Input Capacitance
5pF
VOH
High Level Output Voltage
VDD = 4.75V, IO = –10μA, OVDD = VDD
VDD = 4.75V, IO = –200μA, OVDD = VDD
l
4
4.74
V
VOL
Low Level Output Voltage
VDD = 4.75V, IO = 160μA, OVDD = VDD
VDD = 4.75V, IO = 1.6mA, OVDD = VDD
l
0.05
0.10
0.4
V
IOZ
Hi-Z Output Leakage
VOUT = 0V to VDD, RD = High
l
±10
μA
COZ
Hi-Z Output Capacitance
RD = High
15
pF
ISOURCE
Output Source Current
VOUT = 0V
–10
mA
ISINK
Output Sink Current
VOUT = VDD
10
mA
POWER REQUIREMENTS The l denotes the specications which apply over the full operating temperature
range, otherwise specications are at TA = 25°C. (Note 5)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Positive Supply Voltage
(Notes 9 and 10)
4.75
5
5.25
V
Positive Supply Current
Nap Mode
Sleep Mode
CONVST = 0V or 5V
l
8
5.5
8
13
8
15
mA
μA
Power Dissipation
Nap Mode
Sleep Mode
CONVST = 0V or 5V
40
27.5
40
mW
μW
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