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| 型號(hào)： | THS0842IPFBG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | ADC |
| 英文描述： | 2-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP48 |
| 封裝： | GREEN, PLASTIC, TQFP-48 |
| 文件頁(yè)數(shù)： | 1/30頁(yè) |
| 文件大小： | 503K |
| 代理商： | THS0842IPFBG4 |
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THS0842
DUAL-INPUT, 8-BIT, 40 MSPS LOW-POWER ANALOG-TO-DIGITAL CONVERTER
WITH SINGLE OR DUAL PARALLEL BUS OUTPUT
SLAS246A – DECEMBER 1999 – REVISED AUGUST 2000
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
features
D Dual Simultaneous Sample and Hold Inputs
D Differential or Single-Ended Analog Inputs
D 8-Bit Resolution 40 MSPS Sampling
Analog-to-Digital Converter (ADC)
D Single or Dual Parallel Bus Output
D Low Power Consumption: 275 mW Typ
Using External References
D Wide Analog Input Bandwidth: 600 MHz Typ
D 3.3 V Single-Supply Operation
D 3.3 V TTL/CMOS-Compatible Digital I/O
D Internal or External Bottom and Top
Reference Voltages
D Adjustable Reference Input Range
D Power-Down (Standby) Mode
D 48-Pin Thin Quad Flat Pack (TQFP)
Package
applications
D Digital Communications (Baseband
Sampling)
D Cable Modems
D Set Top Boxes
D Test Instruments
description
The THS0842 is a dual 8-bit 40 MSPS high-speed A/D converter. It alternately converts each analog input signal
into 8-bit binary-coded digital words up to a maximum sampling rate of 40 MSPS with an 80 MHz clock. All digital
inputs and outputs are 3.3 V TTL /CMOS-compatible.
Thanks to an innovative single-pipeline architecture implemented in a CMOS process and the 3.3 V supply, the
device consumes very little power. In order to provide maximum flexibility, both bottom and top voltage
references can be set from user supplied voltages. Alternately, if no external references are available, on-chip
references can be used which are also made available externally. The full-scale range is 1 Vpp, depending on
the analog supply voltage. If external references are available, the internal references can be powered down
independently from the rest of the chip, resulting in an even greater power saving.
The device is specifically suited for the baseband sampling of wireless local loop (WLL) communication, cable
modems, set top boxes (STBs), and test instruments.
AVAILABLE OPTIONS
TA
PACKAGED DEVICES
TA
TQFP-48
–40
°C to 85°C
THS0842IPFB
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
23
DRVSS
DA0
DA1
DA2
DA3
DA4
DA5
DA6
DA7
NC
DRVDD
24
23
22
21
20
19
18
17
16
15
14
13
4
37
38
39
40
41
42
43
44
45
46
47
48
AVDD
I+
I–
AVSS
AVDD
STBY
DVSS
SELB
DVDD
AVSS
CLK
OE
56
7
8
BG
AV
C
35 34 33 32 31
36
30
AV
Q–
Q+
PWDN_REF
CML
DB1
DB0
SS
NC
DB6
DB5
DB4
DB3
DB2
28 27 26
29
9 10 11 12
25
1
C
REFT
REFB
NC
DD
DB7
PFB PACKAGE
(TOP VIEW)
DR
V
DR
V
SS
DD
OUT
SS
OUT
Copyright
2000, Texas Instruments Incorporated
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| THS0842PFB | 制造商:TI 制造商全稱:Texas Instruments 功能描述:DUAL-INPUT, 8-BIT, 40 MSPS LOW-POWER ANALOG-TO-DIGITAL CONVERTER WITH SINGLE OR DUAL PARALLEL BUS OUTPUT |
| THS10 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:EURO TERMINAL BLOCKS |
| THS10064 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:10-BIT 6 MSPS, SIMULTANEOUS SAMPLING ANALOG-TO-DIGITAL CONVERTER |
| THS10064CDA | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 6 MSPS Quad Ch DSP/uP Ifc RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| THS10064CDAG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 6 MSPS Quad Ch DSP/uP Ifc RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
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