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參數(shù)資料
| 型號： | THS1408MPHPEP |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | ADC |
| 英文描述： | 1-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP48 |
| 封裝： | GREEN, PLASTIC, HTQFP-48 |
| 文件頁數(shù)： | 8/28頁 |
| 文件大小： | 625K |
| 代理商： | THS1408MPHPEP |
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THS1401
THS1403
THS1408
SLAS248D DECEMBER 1999 REVISED SEPTEMBER 2005
www.ti.com
16
PRINCIPLES OF OPERATION
Table 4. Control Register, Address 3, Read
BIT
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
Function
PWD
REF
FOR
TM2
TM1
TM0
OFF
RES
Table 5. Control Register, Address 3, Write
BIT
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
Function
PWD
REF
FOR
TM2
TM1
TM0
OFF
RES
Default
0
PWD:
Power down
0 = normal operation
1 = power down
REF:
Reference select
0 = internal reference
1 = external reference
FOR:
Output format
0 = straight binary
1 = 2s complement
TM20:
Test mode
000 = normal operation
001 = both inputs = REF
010 = IN+ at VCM (Voltage at CML pin), IN at REF
011 = IN+ at REF+, IN at REF
100 = normal operation
101 = both inputs = REF+
110 = IN+ at REF, IN at VCM (Voltage at CML pin)
111 = IN+ at REF, IN at REF+
OF:
Offset correction
0 = enable
1 = disable
RES
Reserved
Must be set to 0.
APPLICATION INFORMATION
driving the analog input
The THS1401/3/8 ADCs have a fully differential input. A differential input is advantageous with respect to SNR,
SFDR, and THD performance because the signal peak-to-peak level is 50% of a comparable single-ended
input.
There are three basic input configurations:
D Fully differential
D Transformer coupled single-ended to differential
D Single-ended
fully differential configuration
In this configuration, the ADC converts the difference (
IN) of the two input signals on IN+ and IN.
100 pF
IN+
IN
THS1401/3/8
22
100 pF
22
Figure 19. Differential Input
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| THS1408PFB | 制造商:TI 制造商全稱:Texas Instruments 功能描述:14-BIT, 1/3/8 MSPS DSP COMPATIBLE ANALOG-TO-DIGITAL CONVERTERS WITH INTERNAL REFERENCE AND PGA |
| THS1408QPHP | 功能描述:IC DIFF INPUT A/D 48-HTQFP 14BIT 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)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝: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:- |
| THS14-10R-D | 制造商:Thomas & Betts 功能描述:HEAT SHRINK RING 16-14 #10STUD 制造商:Thomas & Betts 功能描述:CATAMOUNT CABLE TIES |
| THS14-14R-D | 制造商:Thomas & Betts 功能描述:HEAT SHRNK RING TERM 16-14AWG 1/4ST |
| THS14-250FD-D | 制造商:Thomas & Betts 功能描述:CATAMOUNT CABLE TIES |
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