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AD5664RBCPZ-3R2 Datasheet

  • AD5664RBCPZ-3R2

  • Quad, 12-/14-/16-Bit nanoDACs with 5 ppm/C On-Chip Reference

  • 28頁(yè)

  • AD

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Quad, 12-/14-/16-Bit
nanoDACs
廬
with
5 ppm/擄C On-Chip Reference
AD5624R/AD5644R/AD5664R
FEATURES
Low power, smallest pin-compatible, quad
nanoDACs
AD5664R: 16 bits
AD5644R: 14 bits
AD5624R: 12 bits
User selectable external or internal reference
External reference default
On-chip 1.25 V/2.5 V, 5 ppm/擄C reference
10-lead MSOP and 3 mm 脳 3 mm LFCSP_WD
2.7 V to 5.5 V power supply
Guaranteed monotonic by design
Power-on reset to zero scale
Per channel power-down
Serial interface, up to 50 MHz
FUNCTIONAL BLOCK DIAGRAM
V
DD
GND
V
REFIN
/V
REFOUT
1.25V/2.5V REF
AD5624R/AD5644R/AD5664R
INPUT
REGISTER
SCLK
INPUT
REGISTER
SYNC
INTERFACE
LOGIC
INPUT
REGISTER
DIN
INPUT
REGISTER
DAC
REGISTER
STRING
DAC D
DAC
REGISTER
STRING
DAC C
DAC
REGISTER
STRING
DAC B
DAC
REGISTER
STRING
DAC A
BUFFER
V
OUT
A
BUFFER
V
OUT
B
BUFFER
V
OUT
C
BUFFER
V
OUT
D
Figure 1.
Table 1. Related Devices
Part No.
AD5624/AD5664
AD5666
Description
2.7 V to 5.5 V quad, 12-/16-bit
DACs, external reference
2.7 V to 5.5 V quad 16-bit DAC,
internal reference, LDAC, CLR pins
APPLICATIONS
Process control
Data acquisition systems
Portable battery-powered instruments
Digital gain and offset adjustment
Programmable voltage and current sources
Programmable attenuators
GENERAL DESCRIPTION
The AD5624R/AD5644R/AD5664R, members of the
nanoDAC
family, are low power, quad, 12-/14-/16-bit buffered voltage-out
DACs. All devices operate from a single 2.7 V to 5.5 V supply
and are guaranteed monotonic by design.
The AD5624R/AD5644R/AD5664R have an on-chip reference.
The AD56x4R-3 has a 1.25 V, 5 ppm/擄C reference, giving a full-
scale output range of 2.5 V; the AD56x4R-5 has a 2.5 V,
5 ppm/擄C reference giving a full-scale output range of 5 V. The
on-chip reference is off at power-up allowing the use of an
external reference and all devices can be operated from a single
2.7 V to 5.5 V supply. The internal reference is enabled via a
software write.
The part incorporates a power-on reset circuit that ensures the
DAC output powers up to 0 V and remains there until a valid
write takes place. The part contains a per-channel power-down
feature that reduces the current consumption of the device to
480 nA at 5 V and provides software-selectable output loads
while in power-down mode. The low power consumption of
this part in normal operation makes it ideally suited to portable
battery-operated equipment.
The AD5624R/AD5644R/AD5664R use a versatile 3-wire serial
interface that operates at clock rates up to 50 MHz, and is
compatible with standard SPI廬, QSPI鈩? MICROWIRE鈩? and
DSP interface standards. The on-chip precision output amplifier
enables rail-to-rail output swing.
PRODUCT HIGHLIGHTS
1.
2.
3.
4.
Quad 12-/14-/16-bit DACs.
On-chip 1.25 V/2.5 V, 5 ppm/擄C reference.
Available in 10-lead MSOP and 10-lead, 3 mm 脳 3 mm,
LFCSP_WD.
Low power, typically consumes 1.32 mW at 3 V and
2.25 mW at 5 V.
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 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.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
漏2006 Analog Devices, Inc. All rights reserved.
05856-001
POWER-ON
RESET
POWER-DOWN
LOGIC

AD5664RBCPZ-3R2 產(chǎn)品屬性

  • Data Converter FundamentalsDAC Architectures

  • 1

  • 集成電路 (IC)

  • 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器

  • nanoDAC™

  • 4µs

  • 16

  • DSP，MICROWIRE?，QSPI?，串行，SPI?

  • 4

  • 單電源

  • -

  • -40°C ~ 105°C

  • 表面貼裝

  • 10-WFDFN 裸露焊盤，CSP

  • 10-LFCSP-WD（3x3）

  • Digi-Reel®

  • 4 電壓，單極；4 電壓，雙極

  • 220k

  • AD5664RBCPZ-3R2DKR

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