参数资料
型号: LTC2266CUJ-14#PBF
厂商: Linear Technology
文件页数: 27/32页
文件大小: 0K
描述: IC ADC 14BIT SER 80MSPS 40-QFN
标准包装: 61
位数: 14
采样率(每秒): 80M
数据接口: Serial LVDS
转换器数目: 2
功率耗散(最大): 257mW
电压电源: 单电源
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 40-WFQFN 裸露焊盘
供应商设备封装: 40-QFN(6x6)
包装: 管件
输入数目和类型: 2 Differential; 2 Single-Ended
配用: DC1371A-ND - BOARD USB DATA ACQUISITION HS
LTC2268-14/
LTC2267-14/LTC2266-14
4
22687614fa
DigiTal accuracy The
l
denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at TA = 25°C. AIN = –1dBFS. (Note 5)
SYMBOL PARAMETER
CONDITIONS
LTC2268-14
LTC2267-14
LTC2266-14
UNITS
MIN
TYP
MAX
MIN
TYP
MAX
MIN
TYP
MAX
SNR
Signal-to-Noise Ratio
5MHz Input
70MHz Input
140MHz Input
l
71.4
73.1
73
72.6
70.8
73
72.9
72.6
71
73
72.9
72.5
dBFS
SFDR
Spurious Free Dynamic Range
2nd or 3rd Harmonic
5MHz Input
70MHz Input
140MHz Input
l
75
88
85
82
76
88
85
82
76
88
85
82
dBFS
Spurious Free Dynamic Range
4th Harmonic or Higher
5MHz Input
70MHz Input
140MHz Input
l
84
90
83
90
85
90
dBFS
S/(N+D) Signal-to-Noise Plus Distortion
Ratio
5MHz Input
70MHz Input
140MHz Input
l
70.5
73
72.6
72
70.2
73
72.6
72
70.4
72.9
72.6
72
dBFS
Crosstalk
10MHz Input
–105
dBc
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VCM Output Voltage
IOUT = 0
0.5
VDD – 25mV
0.5
VDD
0.VDD + 25mV
V
VCM Output Temperature Drift
±25
ppm/°C
VCM Output Resistance
–600A < IOUT < 1mA
4
Ω
VREF Output Voltage
IOUT = 0
1.225
1.25
1.275
V
VREF Output Temperature Drift
±25
ppm/°C
VREF Output Resistance
–400A < IOUT < 1mA
7
Ω
VREF Line Regulation
1.7V < VDD < 1.9V
0.6
mV/V
inTernal reFerence characTerisTics The
l
denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at TA = 25°C. AIN = –1dBFS. (Note 5)
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
ENCODE INPUTS (ENC+, ENC)
DIFFERENTIAL ENCODE MODE (ENCNOT TIED TO GND)
VID
Differential Input Voltage
(Note 8)
l
0.2
V
VICM
Common Mode Input Voltage
Internally Set
Externally Set (Note 8)
l
1.1
1.2
1.6
V
VIN
Input Voltage Range
ENC+, ENCto GND
l
0.2
3.6
V
RIN
Input Resistance
(See Figure 10)
10
CIN
Input Capacitance
3.5
pF
SINGLE-ENDED ENCODE MODE (ENCTIED TO GND)
VIH
High Level Input Voltage
VDD =1.8V
l
1.2
V
VIL
Low Level Input Voltage
VDD =1.8V
l
0.6
V
VIN
Input Voltage Range
ENC+ to GND
l
0
3.6
V
RIN
Input Resistance
(See Figure 11)
30
CIN
Input Capacitance
3.5
pF
DigiTal inpuTs anD ouTpuTs The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 5)
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