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AD5693RACPZ-RL7 产品设计参考手册 - ADI（亚德诺）
制造商:
ADI（亚德诺）
分类:
DA转换器
封装:
LFCSP EP-8
描述:
16-位数模转换器-1-8-LFCSP-UD（2x2）
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AD5693RACPZ-RL7数据手册
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Tiny 16-/14-/12-Bit I
2
C nanoDAC+, with
±2 LSB INL (16-Bit) and 2 ppm/°C Reference
Data Sheet
AD5693R/AD5692R/AD5691R/AD5693
FEATURES
Ultrasmall package: 2 mm × 2 mm, 8-lead LFCSP
High relative accuracy (INL): ±2 LSB maximum at 16 bits
AD5693R/AD5692R/AD5691R
Low drift, 2.5 V reference: 2 ppm/°C typical
Selectable span output: 2.5 V or 5 V
AD5693
External reference only
Selectable span output: V
REF
or 2 × V
REF
Total unadjusted error (TUE): ±0.06% of FSR maximum
Offset error: ±1.5 mV maximum
Gain error: ±0.05 % of FSR maximum
Low glitch: 0.1 nV-sec
High drive capability: 20 mA
Low power: 1.2 mW at 3.3 V
Independent logic supply: 1.8 V to 5.5 V
Wide operating temperature range: −40°C to +105°C
Robust 4 kV HBM ESD protection
APPLICATIONS
Process controls
Data acquisition systems
Digital gain and offset adjustment
Programmable voltage sources
Optical modules
GENERAL DESCRIPTION
The AD5693R/AD5692R/AD5691R/AD5693, members of the
nanoDAC+® family, are low power, single-channel, 16-/14-/ 12-bit
buffered voltage output DACs. The devices, except the AD5693,
include an enabled by default internal 2.5 V reference, offering
2 ppm/°C drift. The output span can be programmed to be 0 V to
V
REF
or 0 V to 2 × V
REF
. All devices operate from a single 2.7 V to
5.5 V supply and are guaranteed monotonic by design. The
devices are available in a 2.00 mm × 2.00 mm, 8-lead LFCSP or
a 10-lead MSOP.
The internal power-on reset circuit ensures that the DAC register
is written to zero scale at power-up while the internal output
buffer is configured in normal mode. The AD5693R/AD5692R/
AD5691R/AD5693 contain a power-down mode that reduces the
current consumption of the device to 2 µA (maximum) at 5 V and
provides software selectable output loads.
The AD5693R/AD5692R/AD5691R/AD5693 use an I
2
C
interface. Some device options also include an
asynchronous
RESET
pin and a V
LOGIC
pin, allowing 1.8 V
compatibility.
FUNCTIONAL BLOCK DIAGRAM
F
igure 1. MSOP
Figure 2. LFCSP
Table 1. Related Devices
Interface Reference 16-Bit 14-Bit 12-Bit
SPI Internal AD5683R AD5682R AD5681R
External AD5683
I
2
C Internal AD5693R AD5692R AD5691R
External
AD5693
PRODUCT HIGHLIGHTS
1. High relative accuracy (INL): ±2 LSB maximum
(AD5693R/AD5693, 16-bit).
2. Low drift, 2.5 V on-chip reference: 2 ppm/°C typical and
5 ppm/°C maximum temperature coefficient.
3. 2 mm × 2 mm, 8-lead LFCSP and 10-lead MSOP.
AD5693R/
AD5692R/
AD5691R
V
REF
GND
LDAC
REF
V
DD
V
LOGIC
POWER-DOWN
CONTROL LOGIC
DAC
REGISTER
POWER-ON
RESET
2.5V
REF
OUTPUT
BUFFER
16-/14-/12-BIT
DAC
INPUT
CONTROL LOGIC
V
OUT
SCLSDA
RESET
A0
RESISTOR
NETWORK
12077-001
12077-002
AD5693R/
AD5692R/
AD5691R/
AD5693
V
REF
GND
REF
V
DD
LDAC OR V
LOGIC
POWER-DOWN
CONTROL LOGIC
DAC
REGISTER
POWER-ON
RESET
2.5V
REF
(SEE NOTE 2)
OUTPUT
BUFFER
16-/14-/12-BIT
DAC
INPUT
CONTROL LOGIC
V
OUT
SCLSDA
A0
RESISTOR
NETWORK
NOTES
1. NOT ALL PINS AVAILABLE IN ALL 8-LEAD LFCSP MODELS.
2. NOT AVAILABLE IN THE AD5693.
Rev. A Document Feedback
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 that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
O
ne Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 ©2014 Analog Devices, Inc. All rights reserved.
Technical Support www.analog.com
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