參數(shù)資料
型號: LTC2449I
廠商: Linear Technology Corporation
英文描述: 24-Bit High Speed 8-/16-Channel ADCs with Selectable Speed/Resolution
中文描述: 24位ADC的高速8-/16-Channel可選速度/分辨率
文件頁數(shù): 4/28頁
文件大小: 270K
代理商: LTC2449I
LTC2444/LTC2445/
LTC2448/LTC2449
4
sn2444589 2444589fs
TIW
range, otherwise specifications are at T
A
= 25
°
C. (Note 3)
SYMBOL
PARAMETER
f
EOSC
External Oscillator Frequency Range
t
HEO
External Oscillator High Period
t
LEO
External Oscillator Low Period
t
CONV
Conversion Time
SYMBOL
V
CC
I
CC
PARAMETER
Supply Voltage
Supply Current
Conversion Mode
Sleep Mode
CONDITIONS
MIN
4.5
TYP
MAX
5.5
UNITS
V
CS = 0V (Note 7)
CS = V
CC
(Note 7)
8
8
11
30
mA
μ
A
The
denotes specifications which apply over the full operating temperature range,
otherwise specifications are at T
A
= 25
°
C. (Note 3)
POWER REQUIRE E TS
The
denotes specifications which apply over the full
operating temperature range, otherwise specifications are at T
A
= 25
°
C. (Note 3)
SYMBOL
PARAMETER
V
IH
High Level Input Voltage
CS, F
O
V
IL
Low Level Input Voltage
CS, F
O
V
IH
High Level Input Voltage
SCK
V
IL
Low Level Input Voltage
SCK
I
IN
Digital Input Current
CS, F
O
, EXT, SOI
I
IN
Digital Input Current
SCK
C
IN
Digital Input Capacitance
CS, F
O
C
IN
Digital Input Capacitance
SCK
V
OH
High Level Output Voltage
SDO, BUSY
V
OL
Low Level Output Voltage
SDO, BUSY
V
OH
High Level Output Voltage
SCK
V
OL
Low Level Output Voltage
SCK
I
OZ
Hi-Z Output Leakage
SDO
CONDITIONS
4.5V
V
CC
5.5V
MIN
2.5
TYP
MAX
UNITS
V
4.5V
V
CC
5.5V
0.8
V
4.5V
V
CC
5.5V (Note 8)
2.5
V
4.5V
V
CC
5.5V (Note 8)
0.8
V
0V
V
IN
V
CC
–10
10
μ
A
0V
V
IN
V
CC
(Note 8)
–10
10
μ
A
10
pF
(Note 8)
10
pF
I
O
= –800
μ
A
V
CC
– 0.5V
V
I
O
= 1.6mA
0.4V
V
I
O
= –800
μ
A (Note 9)
V
CC
– 0.5V
V
I
O
= 1.6mA (Note 9)
0.4V
V
–10
10
μ
A
DIGITAL I PUTS A D DIGITAL OUTPUTS
The
denotes specifications which apply over the full operating temperature
CONDITIONS
MIN
0.1
25
25
0.99
126
TYP
MAX
20
10000
10000
1.33
170
UNITS
MHz
ns
ns
ms
ms
OSR = 256 (SDI = 0)
OSR = 32768 (SDI = 1)
1.13
145
External Oscillator (Notes 10, 13)
40 OSR +170
f
EOSC
(kHz)
0.9
f
EOSC
/10
ms
f
ISCK
Internal SCK Frequency
Internal Oscillator (Note 9)
External Oscillator (Notes 9, 10)
0.8
1
MHz
Hz
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