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| 型号： | LTC1196-1ACS8 |
| 厂商： | Linear Technology |
| 文件页数： | 6/28页 |
| 文件大小： | 0K |
| 描述： | IC A/DCONV 8BIT 1MHZ SAMPL 8SOIC |
| 标准包装： | 100 |
| 位数： | 8 |
| 采样率（每秒）： | 1M |
| 数据接口： | 串行 |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 50mW |
| 电压电源： | 单电源 |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 管件 |
| 输入数目和类型： | 1 个差分，单极 |
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LTC1196/LTC1198
14
119698fb
APPLICATIONS INFORMATION
OVERVIEW
The LTC1196/LTC1198 are 600ns sampling 8-bit A/D con-
verters packaged in tiny 8-pin SO packages and operating
on 3V to 6V supplies. The ADCs draw only 10mW from a
3V supply or 50mW from a 5V supply.
Both the LTC1196 and the LTC1198 contain an 8-bit,
switched-capacitor ADC, a sample-and-hold, and a serial
port (see the Block Diagram). The on-chip sample-and-
holds have full-accuracy input bandwidths of 1MHz.
Although they share the same basic design, the LTC1196
and LTC1198 differ in some respects. The LTC1196 has
a differential input and has an external reference input
pin. It can measure signals oating on a DC common
mode voltage and can operate with reduced spans below
1V. The LTC1198 has a 2-channel input multiplexer and
can convert either channel with respect to ground or the
difference between the two. It also automatically powers
down when not performing conversion, drawing only
leakage current.
SERIAL INTERFACE
The LTC1196/LTC1198 will interface via three or four wires
to ASICs, PLDs, microprocessors, DSPs, or shift registers
(see Operating Sequence in Figures 1 and 2). To run at their
fastest conversion rates (600ns), they must be clocked at
14.4MHz. HC logic families and any high speed ASIC or
PLD will easily interface to the ADCs at that speed (see
Data Transfer and Typical Application sections). Full speed
operation from a 3V supply can still be achieved with 3V
ASICs, PLDs or HC logic circuits.
CS
B1
B2
B3
B4
B5
B6
B7
tsuCS
tdDO
NULL
BITS
Hi-Z
DOUT
1196/98 F01
Hi-Z
*AFTER COMPLETING THE DATA TRANSFER, IF FURTHER CLOCKS ARE APPLIED WITH CS LOW, THE ADC WILL OUTPUT ZEROS INDEFINITELY
B0*
NULL BITS
B0
tCYC (12 CLKs)
tCYC (8.5 CLKs)
tSMPL
1196/98 F02
POWER
DOWN
SGL/
DIFF
DUMMY
B3
B4
B5
B6
B7
NULL BITS
Hi-Z
HI-Z
START
ODD/
SIGN
DON’T CARE
B0*
B2
B1
*AFTER COMPLETING THE DATA TRANSFER, IF FURTHER CLOCKS ARE APPLIED WITH CS LOW, THE ADC WILL OUTPUT ZEROS INDEFINITELY
DUMMY
tdDO
CLK
DIN
DOUT
CS
tsuCS
tCYC (16 CLKs)
tCONV (8.5 CLKs)
tSMPL (2.5 CLKs)
Figure 2. LTC1198 Operating Sequence Example: Differential Inputs (CH1, CH0)
Figure 1. LTC1196 Operating Sequence
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC1196-1ACS8#PBF | 功能描述:IC A/DCONV 8BIT 1MHZ SAMPL 8SOIC 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 |
| LTC1196-1ACS8#TR | 功能描述:IC ADC 8BIT 1MHZ SHUTDOWN 8SOIC 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 |
| LTC1196-1ACS8#TRPBF | 功能描述:IC A/DCONV 8BIT 1MHZ SAMPL 8SOIC 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 |
| LTC1196-1ACS8-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:8-Bit, SO-8, 1Msps ADCs with Auto-Shutdown Options |
| LTC1196-1ACS8-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:8-Bit, SO-8, 1Msps ADCs with Auto-Shutdown Options |
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