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參數(shù)資料
| 型號(hào)： | AD876JSTZ |
| 廠商： | Analog Devices Inc |
| 文件頁(yè)數(shù)： | 1/16頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 10BIT 20MSPS CMOS 48TQFP |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 位數(shù)： | 10 |
| 采樣率（每秒）： | 20M |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 7 |
| 功率耗散（最大）： | 190mW |
| 電壓電源： | 模擬和數(shù)字，雙 ± |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類(lèi)型： | 表面貼裝 |
| 封裝/外殼： | 48-LQFP |
| 供應(yīng)商設(shè)備封裝： | 48-LQFP（7x7） |
| 包裝： | 托盤(pán) |
| 輸入數(shù)目和類(lèi)型： | 1 個(gè)單端，單極 |
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REV. B
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a
10-Bit 20 MSPS 160 mW
CMOS A/D Converter
AD876
FEATURES
CMOS 10-Bit 20 MSPS Sampling A/D Converter
Pin-Compatible 8-Bit Option
Power Dissipation: 160 mW
+5 V Single Supply Operation
Differential Nonlinearity: 0.5 LSB
Guaranteed No Missing Codes
Power Down (Standby) Mode
Three-State Outputs
Digital I/Os Compatible with +5 V or +3.3 V Logic
Adjustable Reference Input
Small Size: 28-Lead SOIC, 28-Lead SSOP, or 48-Lead
Thin Quad Flatpack (TQFP)
PRODUCT DESCRIPTION
The AD876 is a CMOS, 160 mW, 10-bit, 20 MSPS analog-to-
digital converter (ADC). The AD876 has an on-chip input
sample-and-hold amplifier. By implementing a multistage pipe-
lined architecture with output error correction logic, the AD876
offers accurate performance and guarantees no missing codes
over the full operating temperature range. Force and sense con-
nections to the reference inputs minimize external voltage drops.
The AD876 can be placed into a standby mode of operation
reducing the power below 50 mW. The AD876’s digital I/O
interfaces to either +5 V or +3.3 V logic. Digital output pins
can be placed in a high impedance state; the format of the out-
put is straight binary coding.
The AD876’s speed, resolution and single-supply operation
ideally suit a variety of applications in video, multimedia, imag-
ing, high speed data acquisition and communications. The
AD876’s low power and single-supply operation satisfy require-
ments for high speed portable applications. Its speed and reso-
lution ideally suit charge coupled device (CCD) input systems
such as color scanners, digital copiers, electronic still cameras
and camcorders.
The AD876 comes in a space saving 28-lead SOIC and 48-lead
thin quad flatpack (TQFP) and is specified over the commercial
(0
°C to +70°C) temperature range.
PRODUCT HIGHLIGHTS
Low Power
The AD876 at 160 mW consumes a fraction of the power of
presently available 8- or 10-bit, video speed converters. Power-
down mode and single-supply operation further enhance its
desirability in low power, battery operated applications such
as electronic still cameras, camcorders and communication
systems.
Very Small Package
The AD876 comes in a 28-lead SOIC, 28-lead SSOP, and 48-
lead surface mount, thin quad flat package. The TQFP package
is ideal for very tight, low headroom designs.
Digital I/O Functionality
The AD876 offers three-state output control.
Pin Compatible Upgrade Path
The AD876 offers the option of laying out designs for eight
bits and migrating to 10-bit resolution if prototype results
warrant.
FUNCTIONAL BLOCK DIAGRAM
A/D
D/A
A/D
D/A
A/D
D/A
A/D
CORRECTION LOGIC
AIN
REFTF
REFTS
REFBS
REFBF
STBY
THREE-
STATE
(MSB)
D9
D0
(LSB)
DRVDD
DVDD
AVDD
CLK
DRVSS
DVSS
AVSS
CML
AD876
SHA
GAIN
SHA
GAIN
OUTPUT BUFFERS
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
Analog Devices, Inc., 1998
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