參數(shù)資料
型號: LTC2413
廠商: Linear Technology Corporation
元件分類: ADC
英文描述: 2.7V to 5.5V Simultaneous 50Hz/60Hz Rejection Micropower Differential Σ△ Analog to Digital Converter(2.7V ~5.5V,微功耗,24位差分Σ△串行模數(shù)轉(zhuǎn)換器)
中文描述: 2.7V至5.5V同步50Hz/60Hz抑制微差分Σ△模數(shù)轉(zhuǎn)換器(2.7?5.5V的,微功耗,24位差分Σ△串行模數(shù)轉(zhuǎn)換器)
文件頁數(shù): 5/40頁
文件大?。?/td> 373K
代理商: LTC2413
LTC2413
5
Note 1:
Absolute Maximum Ratings are those values beyond which the
life of the device may be impaired.
Note 2:
All voltage values are with respect to GND.
Note 3:
V
CC
= 2.7V to 5.5V unless otherwise specified.
V
REF
= REF
+
– REF
, V
REFCM
= (REF
+
+ REF
)/2;
V
IN
= IN
+
– IN
, V
INCM
= (IN
+
+ IN
)/2.
Note 4:
F
O
pin tied to GND or to external conversion clock source with
f
EOSC
= 139800Hz unless otherwise specified.
Note 5:
Guaranteed by design, not subject to test.
Note 6:
Integral nonlinearity is defined as the deviation of a code from
a straight line passing through the actual endpoints of the transfer
curve. The deviation is measured from the center of the quantization
band.
Note 7:
F
O
= 0V (internal oscillator) or f
EOSC
= 139800Hz
±
2%
(external oscillator).
Note 8:
The converter is in external SCK mode of operation such that
the SCK pin is used as digital input. The frequency of the clock signal
driving SCK during the data output is f
ESCK
and is expressed in kHz.
Note 9:
The converter is in internal SCK mode of operation such that
the SCK pin is used as digital output.
Note 10:
The external oscillator is connected to the F
O
pin. The external
oscillator frequency, f
EOSC
, is expressed in kHz.
Note 11:
The converter uses the internal oscillator. F
O
= 0V.
Note 12:
The output noise includes the contribution of the internal
calibration operations.
Note 13:
Guaranteed by design and test correlation.
f
EOSC
t
HEO
t
LEO
t
CONV
External Oscillator Frequency Range
External Oscillator High Period
External Oscillator Low Period
Conversion Time
G
2.56
0.25
0.25
2000
390
390
kHz
μ
s
μ
s
ms
ms
kHz
kHz
%
kHz
ns
ns
ms
ms
ms
ns
ns
ns
ns
ns
ns
ns
ns
G
G
F
O
= 0V
External Oscillator (Note 10)
Internal Oscillator (Note 9)
External Oscillator (Notes 9, 10)
(Note 9)
(Note 8)
(Note 8)
(Note 8)
Internal Oscillator (Notes 9, 11)
External Oscillator (Notes 9, 10)
(Note 8)
G
G
146.71
20510/f
EOSC
(in kHz)
17.5
f
EOSC
/8
f
ISCK
Internal SCK Frequency
D
ISCK
f
ESCK
t
LESCK
t
HESCK
t
DOUT_ISCK
Internal SCK Duty Cycle
External SCK Frequency Range
External SCK Low Period
External SCK High Period
Internal SCK 32-Bit Data Output Time
G
45
55
G
2000
G
250
250
1.80
G
G
G
1.83
1.86
256/f
EOSC
(in kHz)
32/f
ESCK
(in kHz)
t
DOUT_ESCK
t
1
t2
t3
t4
t
KQMAX
t
KQMIN
t
5
t
6
External SCK 32-Bit Data Output Time
CS
to SDO Low Z
CS
to SDO Hi-Z
CS
to SCK
CS
to SCK
SCK
to SDO Valid
SDO Hold After SCK
SCK Set-Up Before CS
SCK Hold After CS
G
G
0
0
0
200
200
200
G
(Note 9)
(Note 8)
G
G
50
G
220
(Note 5)
G
15
50
G
G
50
The
G
denotes specifications which apply over the full operating temperature
range, otherwise specifications are at T
A
= 25
°
C. (Note 3)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
TI I G CHARACTERISTICS
W
U
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