參數(shù)資料
型號(hào)： LTC1198-1BCS8
廠商： Linear Technology
文件頁(yè)數(shù)： 6/28頁(yè)
文件大?。?/td> 0K
描述： IC ADC 8BIT 750KHZ SAMPL 8-SOIC
標(biāo)準(zhǔn)包裝： 100
位數(shù)： 8
采樣率（每秒）： 750k
數(shù)據(jù)接口： 串行
轉(zhuǎn)換器數(shù)目： 1
功率耗散（最大）： 50mW
電壓電源： 單電源
工作溫度： 0°C ~ 70°C
安裝類型： 表面貼裝
封裝/外殼： 8-SOIC（0.154"，3.90mm 寬）
供應(yīng)商設(shè)備封裝： 8-SOIC
包裝： 管件
輸入數(shù)目和類型： 1 個(gè)單端，單極
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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參數(shù)描述
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LTC1198-1BCS8#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(zhuǎn)換器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 位數(shù):12 采樣率（每秒）:3M 數(shù)據(jù)接口:- 轉(zhuǎn)換器數(shù)目:- 功率耗散（最大）:- 電壓電源:- 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 供應(yīng)商設(shè)備封裝:SOT-23-6 包裝:帶卷 (TR) 輸入數(shù)目和類型:-
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LTC1198-1BCS8-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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