參數(shù)資料
型號(hào): MAX1165BCUI+T
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 14/15頁(yè)
文件大?。?/td> 0K
描述: IC ADC 16BIT PARALLEL 28-TSSOP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,500
位數(shù): 16
采樣率(每秒): 165k
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 16mW
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: 28-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 28-TSSOP
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 1 個(gè)單端,單極
MAX1165/MAX1166
Low-Power, 16-Bit Analog-to-Digital Converter
with Parallel Interface
8
_______________________________________________________________________________________
Detailed Description
Converter Operation
The MAX1165/MAX1166 use a successive-approxima-
tion (SAR) conversion technique with an inherent track-
and-hold (T/H) stage to convert an analog input into a
16-bit digital output. Parallel outputs provide a high-
speed interface to most microprocessors (Ps). The
Functional Diagram shows a simplified internal archi-
tecture of the MAX1165/MAX1166. Figure 3 shows a
typical application circuit for the MAX1166.
Analog Input
The equivalent input circuit is shown in Figure 4. A
switched capacitor digital-to-analog converter (DAC)
provides an inherent T/H function. The single-ended
input is connected between AIN and AGND.
Input Bandwidth
The ADC’s input-tracking circuitry has a 4MHz small-
signal bandwidth, so it is possible to digitize high-
speed transient events and measure periodic signals
with bandwidths exceeding the ADC’s sampling rate by
using undersampling techniques. To avoid aliasing of
unwanted high-frequency signals into the frequency
band of interest, use anti-alias filtering.
Analog Input Protection
Internal protection diodes, which clamp the analog
input to AVDD and/or AGND, allow the input to swing
from AGND - 0.3V to AVDD + 0.3V, without damaging
the device.
If the analog input exceeds 300mV beyond the sup-
plies, limit the input current to 10mA.
D0–D15
1mA
DGND
DVDD
CLOAD = 20pF
a) HIGH-Z TO VOH, VOL TO VOH,
AND VOH TO HIGH-Z
b) HIGH-Z TO VOL, VOH TO VOL,
AND VOL TO HIGH-Z
1mA
Figure 1. Load Circuits
CS
R/C
REF POWER-
DOWN BIT
EOC
D0–D15
HBEN*
DATA VALID
D8/D15–
D0/D7*
HIGH-/LOW-
BYTE VALID
HIGH-/LOW-
BYTE VALID
tACQ
tCONV
tCSH
tCSL
tDH
tDO
tDO1
tBR
*HBEN AND BYTE-WIDE DATA BUS
AVAILABLE ON MAX1166 ONLY.
tDS
tDV
tEOC
HIGH-Z
tBR
Figure 2. MAX1165/MAX1166 Timing Diagram
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