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参数资料
| 型号： | HI5746 |
| 厂商： | Intersil Corporation |
| 英文描述： | 10-Bit, 40 MSPS A/D Converter(10位、采样速率为40MSPS的A/D转换器) |
| 中文描述： | 10位，40 MSPS的的A / D转换器（10位，采样速率为40MSPS的的A / D转换器） |
| 文件页数： | 11/16页 |
| 文件大小： | 920K |
| 代理商： | HI5746 |
11
Detailed Description
Theory of Operation
The HI5746 is a 10-bit fully differential sampling pipeline A/D
converter with digital error correction logic. Figure 25 depicts
the circuit for the front end differential-in-differential-out sample-
and-hold (S/H). The switches are controlled by an internal
sampling clock which is a non-overlapping two phase signal
, φ
1
and
φ
2
derived from the master sampling clock. During the
sampling phase,
φ
1
the input signal is applied to the sampling
capacitors, C
S
At the same time the holding capacitors, C
H
are discharged to analog ground. At the falling edge of
φ
1
the
input signal is sampled on the bottom plates of the sampling
capacitors. In the next clock phase,
φ
2
the two bottom plates of
the sampling capacitors are connected together and the
holding capacitors are switched to the op amp output nodes.
The charge then redistributes between C
S
and C
H
completing
one sample-and-hold cycle. The front end sample-and-hold
output is a fully-differential, sampled-data representation of the
analog input. The circuit not only performs the sample-and-hold
function but will also convert a single-ended input to a fully-
differential output for the converter core. During the sampling
phase, the V
IN
pins see only the on-resistance of a switch and
C
S
The relatively small values of these components result in a
typical full power input bandwidth of 250MHz for the converter.
FIGURE 21. DC BIAS VOLTAGE (V
DC
) vs TEMPERATURE
FIGURE 22. EFFECTIVE NUMBER OF BITS F(ENOB) vs
TEMPERATURE
FIGURE 23. 2048 POINT FFT PLOT
FIGURE 24. 2048 POINT FFT SPECTRAL PLOT
Typical Performance Curves
(Continued)
3.30
3.00
-40
-20
0
20
40
60
80
TEMPERATURE (
o
C)
V
D
(
3.20
3.10
9.0
8.8
8.6
8.4
8.2
-40
-20
0
TEMPERATURE (
o
C)
20
40
60
80
E
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
0
512
1023
FREQUENCY BIN
O
f
IN
= 10MHz
f
S
= 40 MSPS
HI5746
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相关代理商/技术参数 |
参数描述 |
|---|---|
| HI5746_04 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:10-Bit, 40MSPS A/D Converter |
| HI5746EVAL1 | 功能描述:EVALUATION PLATFORM HI5746 RoHS:否 类别:编程器，开发系统 >> 过时/停产零件编号 系列:- 标准包装:1 系列:- 传感器类型:CMOS 成像，彩色（RGB） 传感范围:WVGA 接口:I²C 灵敏度:60 fps 电源电压:5.7 V ~ 6.3 V 嵌入式:否 已供物品:成像器板 已用 IC / 零件:KAC-00401 相关产品:4H2099-ND - SENSOR IMAGE WVGA COLOR 48-PQFP4H2094-ND - SENSOR IMAGE WVGA MONO 48-PQFP |
| HI5746KCA | 功能描述:IC ADC 10-BIT 40MSPS 28-SSOP RoHS:否 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:2,500 系列:- 位数:12 采样率（每秒）:3M 数据接口:- 转换器数目:- 功率耗散（最大）:- 电压电源:- 工作温度:- 安装类型:表面贴装 封装/外壳:SOT-23-6 供应商设备封装:SOT-23-6 包装:带卷 (TR) 输入数目和类型:- |
| HI5746KCAZ | 功能描述:模数转换器 - ADC A/D 10-BIT 40MSPS 28 SSOP COM TEMP RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| HI5746KCB | 功能描述:CONV A/D 10BIT 40MSPS 28-SOIC RoHS:否 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:2,500 系列:- 位数:12 采样率（每秒）:3M 数据接口:- 转换器数目:- 功率耗散（最大）:- 电压电源:- 工作温度:- 安装类型:表面贴装 封装/外壳:SOT-23-6 供应商设备封装:SOT-23-6 包装:带卷 (TR) 输入数目和类型:- |
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