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參數(shù)資料
型號(hào)： DC847A
廠商： Linear Technology
文件頁(yè)數(shù)： 23/28頁(yè)
文件大?。?/td> 0K
描述： BOARD DELTA SIGMA ADC LTC2446
軟件下載： QuikEval System
設(shè)計(jì)資源： DC847A Design File
DC847A Schematic
標(biāo)準(zhǔn)包裝： 1
系列： QuikEval™
ADC 的數(shù)量： 1
位數(shù)： 24
采樣率（每秒）： 8k
數(shù)據(jù)接口： MICROWIRE?，串行，SPI?
已用 IC / 零件： LTC2446
已供物品： 板
相關(guān)產(chǎn)品： LTC2446CUHF#PBF-ND - IC ADC 24BIT 8CH HI SPEED 38QFN
LTC2446IUHF#PBF-ND - IC ADC 24BIT 8CH HI SPEED 38QFN
LTC2446IUHF#TRPBF-ND - IC ADC 24BIT 8CH HI SPEED 38QFN
LTC2446CUHF#TRPBF-ND - IC ADC 24BIT 8CH HI SPEED 38QFN
LTC2446/LTC2447
4
24467fa
TI I G CHARACTERISTICS
U
W
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VCC
Supply Voltage
●
4.5
5.5
V
ICC
Supply Current
Conversion Mode
CS = 0V (Note 7)
●
811
mA
Sleep Mode
CS = VCC (Note 7)
●
830
A
The
● denotes specifications which apply over the full operating temperature range,
otherwise specifications are at TA = 25°C. (Note 3)
POWER REQUIRE E TS
W
U
The
● denotes 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
VIH
High Level Input Voltage
4.5V
≤ VCC ≤ 5.5V
●
2.5
V
CS, FO
VIL
Low Level Input Voltage
4.5V
≤ VCC ≤ 5.5V
●
0.8
V
CS, FO
VIH
High Level Input Voltage
4.5V
≤ VCC ≤ 5.5V (Note 8)
●
2.5
V
SCK
VIL
Low Level Input Voltage
4.5V
≤ VCC ≤ 5.5V (Note 8)
●
0.8
V
SCK
IIN
Digital Input Current
0V
≤ VIN ≤ VCC
●
–10
10
A
CS, FO, EXT, SOI
IIN
Digital Input Current
0V
≤ VIN ≤ VCC (Note 8)
●
–10
10
A
SCK
CIN
Digital Input Capacitance
10
pF
CS, FO
CIN
Digital Input Capacitance
(Note 8)
10
pF
SCK
VOH
High Level Output Voltage
IO = –800A
●
VCC – 0.5V
V
SDO, BUSY
VOL
Low Level Output Voltage
IO = 1.6mA
●
0.4V
V
SDO, BUSY
VOH
High Level Output Voltage
IO = –800A (Note 9)
●
VCC – 0.5V
V
SCK
VOL
Low Level Output Voltage
IO = 1.6mA (Note 9)
●
0.4V
V
SCK
IOZ
Hi-Z Output Leakage
●
–10
10
A
SDO
DIGITAL I PUTS A D DIGITAL OUTPUTS
UU
The
● denotes 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
●
0.1
20
MHz
tHEO
External Oscillator High Period
●
25
10000
ns
tLEO
External Oscillator Low Period
●
25
10000
ns
tCONV
Conversion Time
OSR = 256
●
0.99
1.13
1.33
ms
OSR = 32768
●
126
145
170
ms
External Oscillator (Notes 10, 13)
●
40 OSR +170
fEOSC (kHz)
ms
fISCK
Internal SCK Frequency
Internal Oscillator (Note 9)
●
0.8
0.9
1
MHz
External Oscillator (Notes 9, 10)
fEOSC/10
Hz
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