poWer reQuireMenTs The l denotes the specifications which apply over the full operating" />
參數(shù)資料
型號： DC798B
廠商： Linear Technology
文件頁數(shù)： 38/42頁
文件大小： 0K
描述： BOARD DELTA SIGMA ADC LTC2480
軟件下載： QuikEval System
設(shè)計資源： DC798B Design File
DC798B Schematic
標(biāo)準(zhǔn)包裝： 1
系列： QuikEval™
ADC 的數(shù)量： 1
位數(shù)： 16
采樣率（每秒）： 7.5
數(shù)據(jù)接口： MICROWIRE?，串行，SPI?
已用 IC / 零件： LTC2480
已供物品： 板
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LTC2480
2480fd
poWer reQuireMenTs The
l
denotes the specifications which apply over the full operating temperature
range, otherwise specifications are at TA = 25°C. (Note 3)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VCC
Supply Voltage
l
2.7
5.5
V
ICC
Supply Current
Conversion Mode (Note 12)
Sleep Mode (Note 12)
H-Grade
l
160
1
250
2
20
A
analog inpuTs anD DigiTal ouTpuTs The
l
denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at TA = 25°C. (Note 3)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
IIN
Digital Input Current SCK
0V ≤ VIN ≤ VCC (Note 10)
l
–10
10
A
CIN
Digital Input Capacitance CS, fO, SDI
10
pF
CIN
Digital Input Capacitance SCK
10
pF
VOH
High Level Output Voltage SDO
IO = –800A
l
VCC – 0.5
V
VOL
Low Level Output Voltage SDO
IO = 1.6mA
l
0.4
V
VOH
High Level Output Voltage SCK
IO = –800A
l
VCC – 0.5
V
VOL
Low Level Output Voltage SCK
IO = 1.6mA
l
0.4
V
IOZ
Hi-Z Output Leakage SDO
l
–10
10
A
TiMing characTerisTics The
l
denotes the specifications which apply over the full operating temperature
range, otherwise specifications are at TA = 25°C. (Note 3)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
fEOSC
External Oscillator Frequency Range
(Note 15)
l
10
4000
kHz
tHEO
External Oscillator High Period
l
0.125
100
s
tLEO
External Oscillator Low Period
l
0.125
100
s
tCONV_1
Conversion Time for 1x Speed Mode
50Hz Mode
50Hz Mode (H-Grade)
60Hz Mode
60Hz Mode (H-Grade)
Simultaneous 50Hz/60Hz Mode
Simultaneous 50Hz/60Hz Mode (H-Grade)
l
157.2
131.0
144.1
160.3
133.6
146.9
163.5
165.1
136.3
137.6
149.9
151.0
ms
External Oscillator
l
41036/fEOSC (in kHz)
ms
tCONV_2
Conversion Time for 2x Speed Mode
50Hz Mode
50Hz Mode (H-Grade)
60Hz Mode
60Hz Mode (H-Grade)
Simultaneous 50Hz/60Hz Mode
Simultaneous 50Hz/60Hz Mode (H-Grade)
l
78.7
65.6
72.2
80.3
66.9
73.6
81.9
82.7
68.2
68.9
75.1
75.6
ms
External Oscillator
l
20556/fEOSC (in kHz)
ms
fISCK
Internal SCK Frequency
Internal Oscillator (Note 10)
External Oscillator (Notes 10, 11)
38.4
fEOSC/8
kHz
DISCK
Internal SCK Duty Cycle
(Note 10)
l
45
55
%
fESCK
External SCK Frequency Range
(Note 10)
l
4000
kHz
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