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| 型号： | LTC6943HGN#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 5/16页 |
| 文件大小： | 0K |
| 描述： | IC BUILDNG BLK SWCAP DUAL 16SSOP |
| 标准包装： | 100 |
| 应用： | 切换电容构建块 |
| 输入电压： | 5 V ~ 18 V |
| 输出数： | 1 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SSOP（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-SSOP |
| 包装： | 管件 |
LTC6943
TEST CIRCUITS
Test Circuit 1. Leakage Current Test
Test Circuit 2. R ON Test
(6, 11, 5, 16)
(7, 12, 4, 13)
(6, 11, 5, 16)
(7, 12, 4, 13)
NOTE: TO OPEN SWITCHES,
0V TO 10V
A
+
(9, 10, 1, 2)
S1 AND S3 PIN 14,
SHOULD BE CONNECTED
TO V –. TO OPEN S2, S4, THE
C OSC PIN 14 SHOULD BE
CONNECTED TO V+ C OSC
+
VIN
100 μ A to 1mA
A
(9, 10, 1, 2)
6943 ? TC01
CURRENT SOURCE
6943 ? TC02
Test Circuit 3. Oscillator Frequency, f OSC
Test Circuit 4. CMRR Test
6
7
V OUT
(TEST PIN) 1
V–
15
V+
+
3
LTC6943
C OSC
14
8
9
1 μ F
1 μ F
CAPACITORS ARE
NOT ELECTROLYTIC
4
10
+
IV
5
( )
6943 ? TC03
+
11
V – ≤ V CM ≤ V +
CMRR = 20 LOG
V CM
V OUT
12
NOTE: FOR OPTIMUM CMRR, THE C OSC SHOULD
BE LARGER THAN 0.0047 μ F, AND
THE SAMPLING CAPACITOR ACROSS
PINS 9 AND 10 SHOULD BE PLACED
APPLICATIO S I FOR ATIO
OVER A SHIELD TIED TO PIN 8
6943 ? TC04
Common Mode Rejection Ratio (CMRR)
1/2 LTC6943
The LTC6943, when used as a differential to single-ended
converter rejects common mode signals and preserves
differential voltages (Figure 1). Unlike other techniques,
6
C +
9
7
the LTC6943’s CMRR does not degrade with increasing
common mode voltage frequency. During the sampling
V D
+
C S
V D
+
C H
mode, the impedance of Pins 1, 2 (and 9, 10) should be
balanced, otherwise, common mode signals will appear
C – 10
differentially. The value of the CMRR depends on the value
of the sampling and holding capacitors (C S , C H ) and on the
sampling frequency. Since the common mode voltages
V CM
+
11
12
are not sampled, the common mode signal frequency can
well exceed the sampling frequency without experiencing
aliasing phenomena. The CMRR of Figure 1 is measured
by shorting Pins 6 and 11 and by observing, with a
C S , C H ARE MYLAR OR POLYPROPYLENE
6943 ? AI01
Figure 1. Differential to Single-Ended Converter
6943f
5
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC6943IGN | 制造商:LINER 制造商全称:Linear Technology 功能描述:Micropower, Dual Precision Instrumentation Switched Capacitor Building Block |
| LTC6943IGN#PBF | 功能描述:IC BUILDNG BLK SWCAP DUAL 16SSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 专用型 系列:- 标准包装:43 系列:- 应用:控制器，Intel VR11 输入电压:5 V ~ 12 V 输出数:1 输出电压:0.5 V ~ 1.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:48-VFQFN 裸露焊盘 供应商设备封装:48-QFN（7x7） 包装:管件 |
| LTC6943IGN#TRPBF | 功能描述:IC BUILDNG BLK SWCAP DUAL 16SSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 专用型 系列:- 标准包装:43 系列:- 应用:控制器，Intel VR11 输入电压:5 V ~ 12 V 输出数:1 输出电压:0.5 V ~ 1.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:48-VFQFN 裸露焊盘 供应商设备封装:48-QFN（7x7） 包装:管件 |
| LTC6945 | 制造商:LINER 制造商全称:Linear Technology 功能描述:16-Bit, 20Msps Low Noise Dual ADC |
| LTC6945IUFD#PBF | 功能描述:IC SYNTHESIZER INTEGER N 28QFN RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 时钟发生器，PLL，频率合成器 系列:- 标准包装:1,000 系列:Precision Edge® 类型:时钟/频率合成器 PLL:无 输入:CML，PECL 输出:CML 电路数:1 比率 - 输入:输出:2:1 差分 - 输入:输出:是/是 频率 - 最大:10.7GHz 除法器/乘法器:无/无 电源电压:2.375 V ~ 3.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:16-VFQFN 裸露焊盘，16-MLF? 供应商设备封装:16-MLF?（3x3） 包装:带卷 (TR) 其它名称:SY58052UMGTRSY58052UMGTR-ND |
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