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REF61xx High-Precision Voltage Reference With Integrated ADC Drive Buffer
- SBOS747B May 2016 – August 2016 REF6125 , REF6130 , REF6133 , REF6141 , REF6145 , REF6150
  
  PRODUCTION DATA.

CONTENTS
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REF61xx High-Precision Voltage Reference With Integrated ADC Drive Buffer

1 Features
2 Applications
3 Description
1. Device Images
  1. Typical Application
  2. Reference Droop comparison (1 LSB = 19.07 µV, With ADS8881 at 1 MSPS)
4 Revision History
5 Device Comparison Table
6 Pin Configuration and Functions
1. Pin Functions
7 Specifications
8 Parameter Measurement Information
9 Detailed Description
10Applications and Implementation
1. 10.1 Application Information
2. 10.2 Typical Application
11Power Supply Recommendations
12Layout
1. 12.1 Layout Guidelines
2. 12.2 Layout Example
13Device and Documentation Support
14Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE

Package Options

Mechanical Data (Package|Pins)

DGK|8
- MPDS028E

Thermal pad, mechanical data (Package|Pins)

Orderable Information

sbos747b_oa
sbos747b_pm

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DATA SHEET

REF61xx High-Precision Voltage Reference With Integrated ADC Drive Buffer

1 Features

Excellent Temperature Drift Performance
- 8 ppm/°C (max) from –40°C to +125°C

Extremely Low Noise

Total Noise: 5 µV_RMS With 47-µF Capacitor
1/f Noise (0.1 Hz to 10 Hz): 3 µV_PP/V

Integrated ADC Drive Buffer
- First Sample Precise to 18 Bits With ADS8881
- Enables Burst-Mode DAQ Systems
Low Supply Current: 820 μA
Low Shutdown Current: 1 µA
High Initial Accuracy: ±0.05%
Very-Low Noise and Distortion
- SNR: 100.5 dB, THD: –125 dB (ADS8881)
- SNR: 106 dB, THD: –120 dB (ADS127L01)
Output Current Drive: ±4 mA
Programmable Short-Circuit Current
Verified to Drive REF Pin of ADS88xx family of SAR ADCs and ADS127xx family of Wideband ΔΣ ADCs

2 Applications

ATE Testers and Oscilloscopes
Test and Measurement Equipment
Analog Input Modules for PLCs
Medical Equipment
Precision Data Acquisition Systems

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