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參數(shù)資料
| 型號(hào)： | ADS805 |
| 英文描述： | 12-Bit, 20MHz Sampling ANALOG-TO-DIGITAL CONVERTER |
| 中文描述： | 12位，20MHz的采樣模擬數(shù)字轉(zhuǎn)換器 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大小： | 260K |
| 代理商： | ADS805 |
ADS805
International Airport Industrial Park Mailing Address: PO Box 11400, Tucson, AZ 85734 Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 Tel: (520) 746-1111 Twx: 910-952-1111
Internet: http://www.burr-brown.com/ FAXLine: (800) 548-6133 (US/Canada Only) Cable: BBRCORP Telex: 066-6491 FAX: (520) 889-1510 Immediate Product Info: (800) 548-6132
1997 Burr-Brown Corporation
PDS-1397C
Printed in U.S.A. October, 1998
12-Bit, 20MHz Sampling
ANALOG-TO-DIGITAL CONVERTER
TM
FEATURES
G
HIGH SFDR: 74dB at 9.8MHz f
IN
G
HIGH SNR: 68dB
G
LOW POWER: 300mW
G
LOW DLE: 0.25LSB
G
SMALL 28-LEAD SSOP AND SOIC
PACKAGES
G
FLEXIBLE INPUT RANGE
G
OVER-RANGE INDICATOR
APPLICATIONS
G
STUDIO CAMERAS
G
IF AND BASEBAND DIGITIZATION
G
COPIERS
G
TEST INSTRUMENTATION
DESCRIPTION
The ADS805 is a 20MHz, high dynamic range, 12-bit pipelined
analog-to-digital converter. This converter includes a high-band-
width track/hold that gives excellent spurious performance up to
and beyond the Nyquist rate. This high-bandwidth, linear track/hold
minimizes harmonics and has low jitter, leading to excellent SNR
performance. The ADS805 is also pin-compatible with the 10MHz
ADS804 and the 5MHz ADS803.
The ADS805 provides an internal reference or an external reference
can be used. ADS805 can be programmed for a 2Vp-p input range
which is the easiest to drive with a single op amp and provides the
best spurious performance. Alternatively, the 5Vp-p input range can
be used for the lowest input-referred noise of 0.09 LSBs rms giving
ADS805U
ADS805E
superior imaging performance. There is also the capability to set the
input range between 2Vp-p and 5Vp-p, either single-ended or
differential. The ADS805 also provides an overrange flag that
indicates when the input signal has exceeded the converter’s full
scale range. This flag can also be used to reduce the gain of the front
end signal conditioning circuitry.
The ADS805 employs digital error techniques to provide excellent
differential linearity for demanding imaging applications. Its low
distortion and high SNR give the extra margin needed for commu-
nications, medical imaging, video and test instrumentation applica-
tions. The ADS805 is available in 28-lead SSOP and SOIC pack-
ages.
12-Bit
Pipelined
A/D Core
Reference and
Mode Select
Reference Ladder
and Driver
Timing Circuitry
Error
Correction
Logic
3-State
Outputs
T/H
D0
D11
CLK
+V
S
ADS805
VDRV
OE
SEL
REFB
V
REF
REFT
IN
V
IN
IN
CM
OVR
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ADS805E | 12-Bit, 20MHz Sampling ANALOG-TO-DIGITAL CONVERTER |
| ADS805U | 12-Bit, 20MHz Sampling ANALOG-TO-DIGITAL CONVERTER |
| ADS807 | 12-Bit, 53MHz Sampling ANALOG-TO-DIGITAL CONVERTER |
| ADS807E | 12-Bit, 53MHz Sampling ANALOG-TO-DIGITAL CONVERTER |
| ADS808 | 12-Bit, 70MHz Sampling ANALOG-TO-DIGITAL CONVERTER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADS805E | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 20 MSPS Int/Ext Ref 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 |
| ADS805E/1K | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 20 MSPS Int/Ext Ref 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 |
| ADS805E/1KG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 20 MSPS Int/Ext Ref 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 |
| ADS805EG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 20 MSPS Int/Ext Ref 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 |
| ADS805U | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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