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参数资料
| 型号： | LTC2262CUJ-12#PBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | ADC |
| 英文描述： | 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC40 |
| 封装： | 6 X 6 MM, LEAD FREE, PLASTIC, QFN-40 |
| 文件页数： | 10/28页 |
| 文件大小： | 481K |
| 代理商： | LTC2262CUJ-12#PBF |
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LTC2262-12
18
226212fa
Overow Bit
The overow output bit (OF) outputs a logic high when
the analog input is either overranged or underranged.
The overow bit has the same pipeline latency as the
data bits.
Phase Shifting the Output Clock
In full-rate CMOS mode the data output bits normally
change at the same time as the falling edge of CLKOUT+,
so the rising edge of CLKOUT+ can be used to latch the
output data. In double data rate CMOS and LVDS modes
the data output bits normally change at the same time as
the falling and rising edges of CLKOUT+. To allow adequate
setup-and-hold time when latching the data, the CLKOUT+
signal may need to be phase shifted relative to the data
output bits. Most FPGAs have this feature; this is generally
the best place to adjust the timing.
The LTC2262-12 can also phase shift the CLKOUT+/
CLKOUT– signals by serially programming mode con-
trol register A2. The output clock can be shifted by
0°, 45°, 90° or 135°. To use the phase shifting feature
the clock duty cycle stabilizer must be turned on.
Another control register bit can invert the polarity of
CLKOUT+ and CLKOUT–, independently of the phase shift.
The combination of these two features enables phase
shifts of 45° up to 315° (Figure 14).
DATA FORMAT
Table 1 shows the relationship between the analog input
voltage, the digital data output bits and the overow bit.
By default the output data format is offset binary. The 2’s
complement format can be selected by serially program-
ming mode control register A4.
Table 1. Output Codes vs Input Voltage
AIN+ – AIN–
(2V RANGE)
OF
D11-D0
(OFFSET BINARY)
D11-D0
(2’s COMPLEMENT)
>+1.000000V
+0.999512V
+0.999024V
1
0
1111 1111 1111
1111 1111 1110
0111 1111 1111
0111 1111 1110
+0.000488V
0.000000V
–0.000488V
–0.000976V
0
1000 0000 0001
1000 0000 0000
0111 1111 1111
0111 1111 1110
0000 0000 0001
0000 0000 0000
1111 1111 1111
1111 1111 1110
–0.999512V
–1.000000V
≤–1.000000V
0
1
0000 0000 0001
0000 0000 0000
1000 0000 0001
1000 0000 0000
APPLICATIONS INFORMATION
CLKOUT+
D0-D11, OF
PHASE
SHIFT
0°
45°
90°
135°
180°
225°
270°
315°
CLKINV
0
1
CLKPHASE1
MODE CONTROL BITS
0
1
0
1
CLKPHASE0
0
1
0
1
0
1
0
1
226212 F14
ENC+
Figure 14. Phase Shifting CLKOUT
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC2262CUJ-14#PBF | 制造商:Linear Technology 功能描述:ADC Single Pipelined 150Msps 14-bit Parallel/LVDS 40-Pin QFN EP 制造商:Linear Technology 功能描述:Single ADC Pipelined 150Msps 14-bit Parallel/LVDS 40-Pin QFN EP 制造商:Linear Technology 功能描述:IC ADC 14BIT 150MSPS 40-QFN 制造商:Linear Technology 功能描述:IC ADC 14BIT 150MSPS QFN-40 制造商:Linear Technology 功能描述:MS-ADC/High Speed, 14-bit, 150Msps, 1.8V Low-Power ADC 制造商:Linear Technology 功能描述:IC, ADC, 14BIT, 150MSPS, QFN-40, Resolution (Bits):14bit, Sampling Rate:150MSPS, Supply Voltage Type:Single, Supply Voltage Min:1.7V, Supply Voltage Max:1.9V, Supply Current:82.7mA, Digital IC Case Style:QFN, No. of Pins:40 , RoHS Compliant: Yes |
| LTC2262CUJ-14#TRPBF | 功能描述:IC ADC 14BIT 150MSPS 40-QFN RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1 系列:- 位数:14 采样率（每秒）:83k 数据接口:串行，并联 转换器数目:1 功率耗散（最大）:95mW 电压电源:双 ± 工作温度:0°C ~ 70°C 安装类型:通孔 封装/外壳:28-DIP（0.600"，15.24mm） 供应商设备封装:28-PDIP 包装:管件 输入数目和类型:1 个单端，双极 |
| LTC2262IUJ-12#PBF | 功能描述:IC ADC 12BIT 150MSPS 40-QFN RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1 系列:- 位数:14 采样率（每秒）:83k 数据接口:串行，并联 转换器数目:1 功率耗散（最大）:95mW 电压电源:双 ± 工作温度:0°C ~ 70°C 安装类型:通孔 封装/外壳:28-DIP（0.600"，15.24mm） 供应商设备封装:28-PDIP 包装:管件 输入数目和类型:1 个单端，双极 |
| LTC2262IUJ-12#TRPBF | 功能描述:IC ADC 12BIT 150MSPS 40-QFN RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1 系列:- 位数:14 采样率（每秒）:83k 数据接口:串行，并联 转换器数目:1 功率耗散（最大）:95mW 电压电源:双 ± 工作温度:0°C ~ 70°C 安装类型:通孔 封装/外壳:28-DIP（0.600"，15.24mm） 供应商设备封装:28-PDIP 包装:管件 输入数目和类型:1 个单端，双极 |
| LTC2262IUJ-14#PBF | 制造商:Linear Technology 功能描述:ADC Single Pipelined 150Msps 14-bit Parallel/LVDS 40-Pin QFN EP 制造商:Linear Technology 功能描述:IC ADC 14BIT 1.8V 150MSPS 40-QFN |
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