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參數(shù)資料
| 型號： | LTCVX |
| 廠商： | Linear Technology Corporation |
| 英文描述： | Serial 12-Bit/14-Bit, 3.5Msps Sampling ADCs with Shutdown |
| 中文描述： | 串行12-Bit/14-Bit，3.5Msps采樣ADC，帶有關(guān)斷 |
| 文件頁數(shù)： | 3/16頁 |
| 文件大?。?/td> | 232K |
| 代理商： | LTCVX |
3
LTC2355-12/LTC2355-14
2355f
The
●
denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at T
A
= 25
°
C with external reference = 2.55V. V
DD
= 3.3V
LTC2355-12
MIN
TYP
71.1
69
71.1
LTC2355-14
MIN
TYP
74.2
71
73.8
SYMBOL
SINAD
PARAMETER
Signal-to-Noise Plus
Distortion Ratio
Total Harmonic
Distortion
Spurious Free
Dynamic Range
Intermodulation
Distortion
Code-to-Code
Transition Noise
Full Power Bandwidth
Full Linear Bandwidth
CONDITIONS
100kHz Input Signal
1.4MHz Input Signal
100kHz First 5 Harmonics
1.4MHz First 5 Harmonics
100kHz Input Signal
1.4MHz Input Signal
1.25V to 2.5V 1.25MHz into A
IN+
, 0V to 1.25V,
1.2MHz into A
IN–
V
REF
= 2.5V (Note 18)
MAX
MAX
UNITS
dB
dB
dB
dB
dB
dB
dB
●
THD
–86
–82
86
82
–82
–86
–82
86
82
–82
●
–76
–78
SFDR
IMD
0.25
1
LSB
RMS
V
IN
= 2.5V
P-P
, SDO = 11585LSB
P-P
(Note 15)
S/(N + D)
≥
68dB
50
5
50
5
MHz
MHz
The
●
denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at T
A
= 25
°
C. V
DD
= 3.3V
PARAMETER
V
REF
Output Voltage
V
REF
Output Tempco
V
REF
Line Regulation
V
REF
Output Resistance
V
REF
Settling Time
External V
REF
Input Range
CONDITIONS
I
OUT
= 0
MIN
TYP
2.5
15
600
0.2
2
MAX
UNITS
V
ppm/
°
C
μ
V/V
V
DD
= 3.1V to 3.6V, V
REF
= 2.5V
Load Current = 0.5mA
C
REF
= 10
μ
F
ms
2.55
V
DD
V
The
●
denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at T
A
= 25
°
C. V
DD
= 3.3V
SYMBOL
V
IH
V
IL
I
IN
C
IN
V
OH
V
OL
PARAMETER
High Level Input Voltage
Low Level Input Voltage
Digital Input Current
Digital Input Capacitance
High Level Output Voltage
Low Level Output Voltage
CONDITIONS
V
DD
= 3.6V
V
DD
= 3.1V
V
IN
= 0V to V
DD
MIN
2.4
TYP
MAX
UNITS
●
V
V
●
0.6
±
10
●
μ
A
pF
V
V
V
μ
A
pF
mA
mA
5
V
DD
= 3.3V, I
OUT
= –200
μ
A
V
DD
= 3.1V, I
OUT
= 160
μ
A
V
DD
= 3.1V, I
OUT
= 1.6mA
V
OUT
= 0V to V
DD
●
2.5
2.9
0.05
0.10
●
0.4
±
10
I
OZ
C
OZ
I
SOURCE
I
SINK
Hi-Z Output Leakage D
OUT
Hi-Z Output Capacitance D
OUT
Output Short-Circuit Source Current
Output Short-Circuit Sink Current
●
1
V
OUT
= 0V, V
DD
= 3.3V
V
OUT
= V
DD
= 3.3V
20
15
DY
A
IC ACCURACY
U
W
I TER AL REFERE CE CHARACTERISTICS
U
U
U
DIGITAL I PUTS A D DIGITAL OUTPUTS
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