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参数资料
| 型号： | LTC2285CUP |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | ADC |
| 英文描述： | Dual 14-Bit, 125Msps Low Power 3V ADC; Package: QFN; No of Pins: 64; Temperature Range: 0°C to +70°C |
| 中文描述： | DUAL 1-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC64 |
| 封装： | 9 X 9 MM, PLASTIC, MO-220WNJR-5, QFN-64 |
| 文件页数： | 18/24页 |
| 文件大小： | 592K |
| 代理商： | LTC2285CUP |
LTC2285
3
2285fb
ANALOG INPUT The l denotes the specications which apply over the full operating temperature range, otherwise
specications are at TA = 25°C. (Note 4)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
Analog Input Range (AIN+ –AIN–)
2.85V < VDD < 3.4V (Note 7)
●
±0.5V to ±1V
V
VIN,CM
Analog Input Common Mode (AIN+ +AIN–)/2
Differential Input Drive (Note 7)
Single Ended Input Drive (Note 7)
●
1
0.5
1.5
1.9
2
V
IIN
Analog Input Leakage Current
0V < AIN+, AIN– < VDD
●
–1
1
μA
ISENSE
SENSEA, SENSEB Input Leakage
0V < SENSEA, SENSEB < 1V
●
–3
3
μA
IMODE
MODE Input Leakage Current
0V < MODE < VDD
●
–3
3
μA
tAP
Sample-and-Hold Acquisition Delay Time
0
ns
tJITTER
Sample-and-Hold Acquisition Delay Time Jitter
0.2
psRMS
CMRR
Analog Input Common Mode Rejection Ratio
80
dB
Full Power Bandwidth
Figure 8 Test Circuit
640
MHz
DYNAMIC ACCURACY The l denotes the specications which apply over the full operating temperature range,
otherwise specications are at TA = 25°C. AIN = –1dBFS. (Note 4)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
SNR
Signal-to-Noise Ratio
5MHz Input
72.4
dB
30MHz Input
72.3
dB
70MHz Input
●
68.9
72.2
dB
140MHz Input
71.7
dB
SFDR
Spurious Free Dynamic Range
2nd or 3rd Harmonic
5MHz Input
88
dB
30MHz Input
85
dB
70MHz Input
●
70
82
dB
140MHz Input
78
dB
SFDR
Spurious Free Dynamic Range
4th Harmonic or Higher
5MHz Input
90
dB
30MHz Input
90
dB
70MHz Input
●
77
90
dB
140MHz Input
90
dB
S/(N+D)
Signal-to-Noise Plus Distortion Ratio
5MHz Input
72.2
dB
30MHz Input
72
dB
70MHz Input
●
67
71.9
dB
140MHz Input
70.2
dB
IMD
Intermodulation Distortion
fIN = 40MHz, 41MHz
85
dB
Crosstalk
fIN = 100MHz
–110
dB
The
l denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C. (Note 4)
CONVERTER CHARACTERISTICS
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Gain Matching
External Reference
±0.3
%FS
Offset Matching
±2
mV
Transition Noise
SENSE = 1V
1.3
LSBRMS
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| LTC2285CUP#PBF | 功能描述:IC ADC DUAL 14BIT 125MSPS 64QFN RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:250 系列:- 位数:12 采样率（每秒）:1.8M 数据接口:并联 转换器数目:1 功率耗散（最大）:1.82W 电压电源:模拟和数字 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:48-LQFP 供应商设备封装:48-LQFP（7x7） 包装:管件 输入数目和类型:2 个单端，单极 |
| LTC2285CUP#TRPBF | 功能描述:IC ADC DUAL 14BIT 125MSPS 64QFN RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:250 系列:- 位数:12 采样率（每秒）:1.8M 数据接口:并联 转换器数目:1 功率耗散（最大）:1.82W 电压电源:模拟和数字 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:48-LQFP 供应商设备封装:48-LQFP（7x7） 包装:管件 输入数目和类型:2 个单端，单极 |
| LTC2285CUP-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual 14-Bit, 125Msps Low Power 3V ADC |
| LTC2285CUP-TR | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual 14-Bit, 125Msps Low Power 3V ADC |
| LTC2285CUP-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual 14-Bit, 125Msps Low Power 3V ADC |
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