参数资料
型号: LTC2356CMSE-14#TRPBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: ADC
英文描述: 1-CH 14-BIT PROPRIETARY METHOD ADC, SERIAL ACCESS, PDSO10
封装: LEAD FREE, PLASTIC, MSOP-10
文件页数: 12/18页
文件大小: 288K
代理商: LTC2356CMSE-14#TRPBF
LTC2356-12/LTC2356-14
2356fa
Dynamic accuracy The
l
denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at TA = 25°C with external reference = 2.55V. VDD = 3.3V. Single-ended AIN+ signal drive with AIN– = 1.5V
DC. Differential signal drive with VCM = 1.5V at AIN+ and AIN–
analog input The
l
denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at TA = 25°C. With internal reference. VDD = 3.3V.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
Analog Differential Input Range (Notes 3, 8, 9) 3.1V ≤ VDD ≤ 3.6V
l
–1.25 to 1.25
V
VCM
Analog Common Mode + Differential
Input Range (Note 10)
0 to VDD
V
IIN
Analog Input Leakage Current
l
1
A
CIN
Analog Input Capacitance
(Note 19)
13
pF
tACQ
Sample-and-Hold Acquisition Time
(Note 6)
l
39
ns
tAP
Sample-and-Hold Aperture Delay Time
1
ns
tJITTER
Sample-and-Hold Aperture Delay Time Jitter
0.3
ps
CMRR
Analog Input Common Mode Rejection Ratio
fIN = 1MHz, VIN = 0V to 3V
fIN = 100MHz, VIN = 0V to 3V
–60
–15
dB
SYMBOL PARAMETER
CONDITIONS
LTC2356-12
LTC2356-14
UNITS
MIN
TYP
MAX
MIN
TYP
MAX
SINAD
Signal-to-Noise Plus
Distortion Ratio
100kHz Input Signal (Note 19)
1.4MHz Input Signal (Note 19)
l
68
71.1
70
74.1
72.3
dB
THD
Total Harmonic
Distortion
100kHz First 5 Harmonics (Note 19)
1.4MHz First 5 Harmonics (Note 19)
l
–86
–82
–76
–86
–82
–78
dB
SFDR
Spurious Free
Dynamic Range
100kHz Input Signal (Note 19)
1.4MHz Input Signal (Note 19)
86
82
86
82
dB
IMD
Intermodulation
Distortion
0.625VP-P to 1.4MHz Summed with 0.625VP-P
1.56MHz into AIN+ and Inverted into AIN–
–82
dB
Code-to-Code
Transition Noise
VREF = 2.5V (Note 18)
0.25
1
LSBRMS
Full Power Bandwidth VIN = 2.5VP-P, SDO = 11585LSBP-P (Note 15)
50
MHz
Full Linear Bandwidth S/(N + D) ≥ 68dB
5
MHz
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VREF Output Voltage
IOUT = 0
2.5
V
VREF Output Tempco
15
ppm/°C
VREF Line Regulation
VDD = 3.1V to 3.6V, VREF = 2.5V
600
V/V
VREF Output Resistance
Load Current = 0.5mA
0.2
Ω
VREF Settling Time
CREF = 10F
2
ms
External VREF Input Range
2.55
VDD
V
internal reFerence characteristics The
l
denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at TA = 25°C. VDD = 3.3V.
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