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参数资料
| 型号： | LTC1276BCSW#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/24页 |
| 文件大小： | 0K |
| 描述： | IC A/D CONV 12BIT SAMPLNG 24SOIC |
| 标准包装： | 32 |
| 位数： | 12 |
| 采样率（每秒）： | 300k |
| 数据接口： | 并联 |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 75mW |
| 电压电源： | 双 ± |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 24-SOIC |
| 包装： | 管件 |
| 输入数目和类型： | 1 个单端，单极；1 个单端，双极 |
1
LTC1273
LTC1275/LTC1276
127356fa
■ Single Supply 5V or
±5V Operation
■ 300ksps Sample Rate
■ 75mW (Typ) Power Dissipation
■ On-Chip 25ppm/
°C Reference
■ Internal Synchronized Clock; No Clock Required
■ High Impedance Analog Input
■ 70dB S/(N + D) and 77dB THD at Nyquist
■
±1/2LSB INL and ±3/4LSB DNL Max (A Grade)
■ ESD Protected On All Pins
■ 24-Pin Narrow PDIP and SW Packages
■ Variety of Input Ranges:
0V to 5V (LTC1273)
±2.5V (LTC1275)
±5V (LTC1276)
Effective Bits and Signal to (Noise + Distortion)
vs Input Frequency
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
AIN
VREF
AGND
D11
D10
D9
D8
D7
D6
D5
D4
DGND
VDD
NC
BUSY
CS
RD
HBEN
NC
D0/8
D1/9
D2/10
D3/11
LTC1273
+
0.1
F
10
F
2.42V
VREF
OUTPUT
ANALOG INPUT
(0V TO 5V)
+
10
F
0.1
F
5V
8- OR 12-BIT
PARALLEL BUS
P CONTROL
LINES
LTC1273/75/76 TA01
INPUT FREQUENCY (Hz)
10k
0
EFFECTIVE
BITS
3
5
7
10
100k
2M
LTC1273/75/76 TA02
1
4
6
9
12
11
8
2
1M
62
56
74
68
50
S/(N
+
D)
(dB)
fSAMPLE = 300kHz
NYQUIST
FREQUENCY
■
High Speed Data Acquisition
■ Digital Signal Processing
■ Multiplexed Data Acquisition Systems
■
Audio and Telecom Processing
■ Spectrum Analysis
The LTC
1273/LTC1275/LTC1276 are 300ksps, sam-
pling 12-bit A/D converters that draw only 75mW from
single 5V or
±5V supplies. These easy-to-use devices
come complete with 600ns sample-and-holds, precision
references and internally trimmed clocks. Unipolar and
bipolar conversion modes provide flexibility for various
applications. They are built with LTBiCMOS
TM switched
capacitor technology.
These devices have 25ppm/
°C (max) internal references.
The LTC1273 converts 0V to 5V unipolar inputs from a
single 5V supply. The LTC1275/LTC1276 convert
±2.5V
and
±5V respectively from ±5V supplies. Maximum DC
specifications include
±1/2LSB INL, ±3/4LSB DNL and
25ppm/
°C full scale drift over temperature. Outstanding
AC performance includes 70dB S/(N + D) and 77dB THD
at the Nyquist input frequency of 150kHz.
The internal clock is trimmed for 2.7
s maximum conver-
sion time. The clock automatically synchronizes to each
sample command eliminating problems with asynchro-
nous clock noise found in competitive devices. A high
speed parallel interface eases connections to FIFOs, DSPs
and microprocessors.
12-Bit, 300ksps Sampling
A/D Converters with Reference
Single 5V Supply, 300ksps, 12-Bit Sampling A/D Converter
FEATURES
DESCRIPTIO
U
APPLICATIO S
U
TYPICAL APPLICATIO
U
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
LTBiCMOS is a trademark of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
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| LTC1276ISW | 制造商:Linear Technology 功能描述:12-Bit, 300ksps Sampling A/D Converters with Reference |
| LTC1277CSW | 功能描述:IC A/D CONV 12BIT W/SHTDN 24SOIC RoHS:否 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1,000 系列:- 位数:16 采样率（每秒）:45k 数据接口:串行 转换器数目:2 功率耗散（最大）:315mW 电压电源:模拟和数字 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:28-SOIC（0.295"，7.50mm 宽） 供应商设备封装:28-SOIC W 包装:带卷 (TR) 输入数目和类型:2 个单端，单极 |
| LTC1277CSW#PBF | 功能描述:IC A/D CONV 12BIT W/SHTDN 24SOIC RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1,000 系列:- 位数:16 采样率（每秒）:45k 数据接口:串行 转换器数目:2 功率耗散（最大）:315mW 电压电源:模拟和数字 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:28-SOIC（0.295"，7.50mm 宽） 供应商设备封装:28-SOIC W 包装:带卷 (TR) 输入数目和类型:2 个单端，单极 |
| LTC1277CSW#TR | 功能描述:IC ADC 12BIT SAMPL SHTDWN 24SOIC RoHS:否 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1,000 系列:- 位数:16 采样率（每秒）:45k 数据接口:串行 转换器数目:2 功率耗散（最大）:315mW 电压电源:模拟和数字 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:28-SOIC（0.295"，7.50mm 宽） 供应商设备封装:28-SOIC W 包装:带卷 (TR) 输入数目和类型:2 个单端，单极 |
| LTC1277CSW#TRPBF | 功能描述:IC A/D CONV 12BIT W/SHTDN 24SOIC RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1,000 系列:- 位数:16 采样率（每秒）:45k 数据接口:串行 转换器数目:2 功率耗散（最大）:315mW 电压电源:模拟和数字 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:28-SOIC（0.295"，7.50mm 宽） 供应商设备封装:28-SOIC W 包装:带卷 (TR) 输入数目和类型:2 个单端，单极 |
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