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Multiple Output, High Precision,
Dual-Tracking Reference
AD588
FEATURES
FUNCTIONAL BLOCK DIAGRAM
Low drift: 1.5 ppm/°C
Low initial error: 1 mV
NOISE
REDUCTION
7
V HIGH
6
A3 IN
4
A3 OUT
SENSE
3
Pin programmable output
+10 V, +5 V, ±5 V tracking, ?5 V, ?10 V
Flexible output force and sense terminals
R B
A3
1
A3 OUT
FORCE
High impedance ground sense
SOIC_W-16 and CERDIP-16 packages
A1
R1
R4
14 A4 OUT
SENSE
MIL-STD-883-compliant versions available
GENERAL DESCRIPTION
R2
R5
A4
15
A4 OUT
FORCE
The AD588 represents a major advance in state-of-the-art
monolithic voltage references. Low initial error and low
temperature drift give the AD588 absolute accuracy performance
R3
A2
R6
AD588
2 +V S
16 –V S
previously not available in monolithic form. The AD588 uses a
5
9
10
8
12
11
13
proprietary ion-implanted, buried Zener diode and laser-wafer
GAIN
ADJ
GND GND
SENSE SENSE
V LOW
BAL
ADJ
V CT
A4 IN
drift trimming of high stability thin film resistors to provide
+IN
–IN
outstanding performance.
The AD588 includes the basic reference cell and three additional
Figure 1.
PRODUCT HIGHLIGHTS
amplifiers that provide pin programmable output ranges. The
amplifiers are laser trimmed for low offset and low drift to maintain
the accuracy of the reference. The amplifiers are configured to
allow Kelvin connections to the load and/or boosters for driving
long lines or high current loads, delivering the full accuracy of
the AD588 where it is required in the application circuit.
The low initial error allows the AD588 to be used as a system
reference in precision measurement applications requiring
12-bit absolute accuracy. In such systems, the AD588 can provide
a known voltage for system calibration in software. The low
drift also allows compensation for the drift of other components
in a system. Manual system calibration and the cost of periodic
recalibration can, therefore, be eliminated. Furthermore, the
mechanical instability of a trimming potentiometer and the
potential for improper calibration can be eliminated by using
the AD588 in conjunction with auto calibration software.
The AD588 is available in seven versions. The AD588JQ and
AD588KQ are packaged in a 16-lead CERDIP and are specified
for 0°C to +70°C operation. The AD588AQ and AD588BQ are
packaged in a 16-lead CERDIP, and the AD588ARWZ is packaged
in a 16-lead SOIC, and they are specified for the ?25°C to +85°C
industrial temperature range. The ceramic AD588TE and
AD588TQ grades are specified for the full military/aerospace
temperature range.
Rev. L
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
1.
2.
3.
4.
The AD588 offers 12-bit absolute accuracy without any
user adjustments. Optional fine-trim connections are
provided for applications requiring higher precision. The
fine trimming does not alter the operating conditions of
the Zener or the buffer amplifiers, and so does not increase
the temperature drift.
Output noise of the AD588 is very low, typically 6 μV p-p.
A pin is provided for additional noise filtering using an
external capacitor.
A precision ±5 V tracking mode with Kelvin output
connections is available with no external components.
Tracking error is less than 1 mV, and a fine trim is available
for applications requiring exact symmetry between the
+5 V and ?5 V outputs.
Pin strapping capability allows configuration of a wide
variety of outputs: ±5 V, +5 V, +10 V, ?5 V, and ?10 V dual
outputs or +5 V, ?5 V, +10 V, and ?10 V single outputs.
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 ?1986–2010 Analog Devices, Inc. All rights reserved.
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相关代理商/技术参数
AD588BD 制造商:未知厂家 制造商全称:未知厂家 功能描述:Voltage Reference
AD588BQ 功能描述:IC VREF SERIES PREC ADJ 16-CDIP RoHS:否 类别:集成电路 (IC) >> PMIC - 电压基准 系列:- 标准包装:2,000 系列:- 基准类型:旁路，可调节，精度 输出电压:1.24 V ~ 16 V 容差:±0.5% 温度系数:- 输入电压:1.24 V ~ 16 V 通道数:1 电流 - 阴极:100µA 电流 - 静态:- 电流 - 输出:20mA 工作温度:-40°C ~ 85°C 安装类型:通孔 封装/外壳:TO-226-3、TO-92-3（TO-226AA）成形引线 供应商设备封装:TO-92-3 包装:带卷 (TR)
AD588JQ 功能描述:IC VREF SERIES PREC ADJ 16-CDIP RoHS:否 类别:集成电路 (IC) >> PMIC - 电压基准 系列:- 标准包装:1,000 系列:- 基准类型:旁路，可调节，精度 输出电压:2.495 V ~ 36 V 容差:±0.5% 温度系数:标准值 34ppm/°C 输入电压:2.495 V ~ 36 V 通道数:1 电流 - 阴极:1mA 电流 - 静态:- 电流 - 输出:100mA 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:TO-243AA 供应商设备封装:SOT-89-3 包装:带卷 (TR)
AD588KQ 功能描述:IC VREF SERIES PREC ADJ 16-CDIP RoHS:否 类别:集成电路 (IC) >> PMIC - 电压基准 系列:- 标准包装:2,000 系列:- 基准类型:旁路，可调节，精度 输出电压:1.24 V ~ 16 V 容差:±0.5% 温度系数:- 输入电压:1.24 V ~ 16 V 通道数:1 电流 - 阴极:100µA 电流 - 静态:- 电流 - 输出:20mA 工作温度:-40°C ~ 85°C 安装类型:通孔 封装/外壳:TO-226-3、TO-92-3（TO-226AA）成形引线 供应商设备封装:TO-92-3 包装:带卷 (TR)
AD588SD 制造商:未知厂家 制造商全称:未知厂家 功能描述:Voltage Reference
AD588SD/883B 制造商:未知厂家 制造商全称:未知厂家 功能描述:Voltage Reference
AD588SE 制造商:Rochester Electronics LLC 功能描述:- Bulk
AD588SE/883B 制造商:Analog Devices 功能描述:V-Ref Programmable ±5V/±10V 20-Pin LCC Tube