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參數(shù)資料
| 型號： | LTC1198-2BCS8 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | ADC |
| 英文描述： | 8-Bit, SO-8, 1MSPS ADCs with Auto-Shutdown Options |
| 中文描述： | 1-CH 8-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8 |
| 封裝： | PLASTIC, SOIC-8 |
| 文件頁數(shù)： | 14/28頁 |
| 文件大?。?/td> | 452K |
| 代理商： | LTC1198-2BCS8 |
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14
LTC1196/LTC1198
U
S
A
OVERVIEW
The LTC1196/LTC1198 are 600ns sampling 8-bit A/D
converters packaged in tiny 8-pin SO packages and oper-
ating 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 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 floating on a DC common-mode
voltage and can operate with reduced spans below 1V. The
O
PPLICATI
IU
U
LTC1198 has a 2-channel input multiplexer and can con-
vert 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.
Figure 2. LTC1198 Operating Sequence Example: Differential Inputs (CH1, CH0)
Figure 1. LTC1196 Operating Sequence
1196/98 F02
CLK
CS
POWER
DOWN
D
IN
SGL/
DIFF
DUMMY
B3
B4
B5
B6
B7
NULL BITS
Hi-Z
D
OUT
t
SMPL
(2.5CLKs)
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.
t
suCS
t
CYC
(16 CLKs)
DUMMY
t
dDO
t
CONV
(8.5CLKs)
CLK
CS
B1
B2
B3
B4
B5
B6
B7
NULL
BITS
Hi-Z
D
OUT
1196/98 F01
Hi-Z
t
suCS
*AFTER COMPLETING THE DATA TRANSFER, IF FURTHER CLOCKS ARE APPLIED WITH CS LOW, THE ADC WILL OUTPUT ZEROS INDEFINITELY.
B0*
t
CYC
(12 CLKs)
t
dDO
NULL BITS
B0
t
SMPL
t
CONV
(8.5 CLKs)
t
SMPL
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LTC1198-2BCS8#PBF | 功能描述:IC ADC 8BIT 750KHZ SAMPL 8-SOIC RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉換器 系列:- 其它有關文件:TSA1204 View All Specifications 標準包裝:1 系列:- 位數(shù):12 采樣率（每秒）:20M 數(shù)據(jù)接口:并聯(lián) 轉換器數(shù)目:2 功率耗散（最大）:155mW 電壓電源:模擬和數(shù)字 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-TQFP 供應商設備封裝:48-TQFP（7x7） 包裝:Digi-Reel® 輸入數(shù)目和類型:4 個單端，單極；2 個差分，單極 產品目錄頁面:1156 (CN2011-ZH PDF) 其它名稱:497-5435-6 |
| LTC1198-2BCS8#TR | 功能描述:IC ADC 8BIT 750KHZ SHUTDWN 8SOIC RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉換器 系列:- 標準包裝:2,500 系列:- 位數(shù):16 采樣率（每秒）:15 數(shù)據(jù)接口:MICROWIRE?，串行，SPI? 轉換器數(shù)目:1 功率耗散（最大）:480µW 電壓電源:單電源 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:38-WFQFN 裸露焊盤 供應商設備封裝:38-QFN（5x7） 包裝:帶卷 (TR) 輸入數(shù)目和類型:16 個單端，雙極；8 個差分，雙極 配用:DC1011A-C-ND - BOARD DELTA SIGMA ADC LTC2494 |
| LTC1198-2BCS8#TRPBF | 功能描述:IC ADC 8BIT 750KHZ SAMPL 8-SOIC RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉換器 系列:- 標準包裝:2,500 系列:- 位數(shù):16 采樣率（每秒）:15 數(shù)據(jù)接口:MICROWIRE?，串行，SPI? 轉換器數(shù)目:1 功率耗散（最大）:480µW 電壓電源:單電源 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:38-WFQFN 裸露焊盤 供應商設備封裝:38-QFN（5x7） 包裝:帶卷 (TR) 輸入數(shù)目和類型:16 個單端，雙極；8 個差分，雙極 配用:DC1011A-C-ND - BOARD DELTA SIGMA ADC LTC2494 |
| LTC1198-2BCS8-PBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:8-Bit, SO-8, 1Msps ADCs with Auto-Shutdown Options |
| LTC1198-2BCS8-TRPBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:8-Bit, SO-8, 1Msps ADCs with Auto-Shutdown Options |
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