參數資料
| 型號： | AD669BR-REEL |
| 廠商： | Analog Devices Inc |
| 文件頁數： | 1/12頁 |
| 文件大小： | 0K |
| 描述： | IC DAC 16BIT MONO VREF 28-SOIC |
| 產品培訓模塊： | Data Converter Fundamentals DAC Architectures |
| 產品變化通告： | AD669 Improvement Change 11/Jul/2012 |
| 標準包裝： | 1,000 |
| 系列： | DACPORT® |
| 設置時間： | 10µs |
| 位數： | 16 |
| 數據接口： | 并聯 |
| 轉換器數目： | 1 |
| 電壓電源： | 雙 ± |
| 功率耗散（最大）： | 625mW |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 28-SOIC（0.295"，7.50mm 寬） |
| 供應商設備封裝： | 28-SOIC W |
| 包裝： | 帶卷 (TR) |
| 輸出數目和類型： | 1 電壓，單極；1 電壓，雙極 |
| 采樣率（每秒）： | 167k |
FUNCTIONAL BLOCK DIAGRAM
LDAC
SPAN/
BIP OFF
AGND
DB15
(MSB)
(LSB)
DB0
DGND
CS
L1
REF IN
REF OUT
–V
EE
+VCC
+VLL
VOUT
16-BIT LATCH
10k
AMP
AD669
22
7
6
5
23
27
28
10V REF
2
14
3
26
24
10k
10.05k
16-BIT LATCH
16-BIT DAC
25
REV. A
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
Monolithic 16-Bit
DACPORT
AD669
FEATURES
Complete 16-Bit D/A Function
On-Chip Output Amplifier
High Stability Buried Zener Reference
Monolithic BiMOS II Construction
1 LSB Integral Linearity Error
15-Bit Monotonic over Temperature
Microprocessor Compatible
16-Bit Parallel Input
Double-Buffered Latches
Fast 40 ns Write Pulse
Unipolar or Bipolar Output
Low Glitch: 15 nV-s
Low THD+N: 0.009%
MIL-STD-883 Compliant Versions Available
GENERAL DESCRIPTION
The AD669 DACPORT
is a complete 16-bit monolithic D/A
converter with an on-board reference and output amplifier. It is
manufactured on Analog Devices’ BiMOS II process. This pro-
cess allows the fabrication of low power CMOS logic functions
on the same chip as high precision bipolar linear circuitry. The
AD669 chip includes current switches, decoding logic, an output
amplifier, a buried Zener reference and double-buffered latches.
The AD669’s architecture insures 15-bit monotonicity over
temperature. Integral nonlinearity is maintained at
±0.003%,
while differential nonlinearity is
±0.003% max. The on-chip
output amplifier provides a voltage output settling time of 10
s
to within 1/2 LSB for a full-scale step.
Data is loaded into the AD669 in a parallel 16-bit format. The
double-buffered latch structure eliminates data skew errors and
provides for simultaneous updating of DACs in a multi-DAC
system. Three TTL/LSTTL/5 V CMOS compatible signals con-
trol the latches: CS, L1 and LDAC.
The output range of the AD669 is pin programmable and can
be set to provide a unipolar output range of 0 V to +10 V or a
bipolar output range of –10 V to +10 V.
The AD669 is available in seven grades: AN and BN versions
are specified from –40
°C to +85°C and are packaged in a 28-pin
plastic DIP. The AR and BR versions are specified for –40
°C to
+85
°C operation and are packaged in a 28-pin SOIC. The SQ
version is specified from –55
°C to +125°C and is packaged in a
hermetic 28-pin cerdip package. The AD669 is also available
compliant to MIL-STD-883. Refer to the AD669/883B data
sheet for specifications and test conditions.
DACPORT is a registered trademark of Analog Devices, Inc.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
Fax: 617/326-8703
PRODUCT HIGHLIGHTS
1. The AD669 is a complete voltage output 16-bit DAC with
voltage reference and digital latches on a single IC chip.
2. The internal buried Zener reference is laser trimmed to
10.000 volts with a
±0.2% maximum error. The reference
voltage is also available for external applications.
3. The AD669 is both dc and ac specified. DC specs include
±1 LSB INL error and ±1 LSB DNL error. AC specs include
0.009% THD+ N and 83 dB SNR. The ac specifications
make the AD669 suitable for signal generation applications.
4. The double-buffered latches on the AD669 eliminate data
skew errors while allowing simultaneous updating of DACs in
multi-DAC systems.
5. The output range is a pin-programmable unipolar 0 V to
+10 V or bipolar –10 V to +10 V output. No external compo-
nents are necessary to set the desired output range.
6. The AD669 is available in versions compliant with MIL-
STD-883. Refer to the Analog Devices Military Products
Databook or current AD669/883B data sheet for detailed
specifications.
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