SBOS690A July   2016  – December 2019 OPA2626

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      SAR ADC Driver
      2.      High Fidelity Topology Improves Dynamic Performance (fIN = 10-kHz, 1-MSPS FFT)
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
    1.     Pin Functions: OPA2626
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics: High-Supply
    6. 6.6 Electrical Characteristics: Low-Supply
    7. 6.7 Typical Characteristics
  7. 7 Parameter Measurement Information
    1. 7.1 DC Parameter Measurements
    2. 7.2 Transient Parameter Measurements
    3. 7.3 AC Parameter Measurements
    4. 7.4 Noise Parameter Measurements
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 SAR ADC Driver
      2. 8.3.2 Electrical Overstress
    4. 8.4 Device Functional Modes
      1. 8.4.1 High-Drive Mode
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 Single-Supply, 16-Bit, 1-MSPS SAR ADC Driver
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
        3. 9.2.1.3 Application Curve
      2. 9.2.2 Single-Supply, 16-Bit, 1-MSPS, Multiplexed, SAR ADC Driver
        1. 9.2.2.1 Design Requirements
        2. 9.2.2.2 Detailed Design Procedure
        3. 9.2.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Development Support
        1. 12.1.1.1 TINA-TI (Free Software Download)
        2. 12.1.1.2 TI Precision Designs
    2. 12.2 Documentation Support
      1. 12.2.1 Related Documentation
    3. 12.3 Receiving Notification of Documentation Updates
    4. 12.4 Community Resources
    5. 12.5 Trademarks
    6. 12.6 Electrostatic Discharge Caution
    7. 12.7 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6.6 Electrical Characteristics: Low-Supply

at TA = 25°C, V+ = 2.7 V, V– = 0 V, VCOM = VO = 1.35 V, gain (G) = 1, RF = 1 kΩ, CF = 2.7 pF, CLOAD = 20 pF, and RLOAD = 1 kΩ connected to 1.35 V (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
AC PERFORMANCE
Unity gain frequency VO = 10 mVPP 76 MHz
φm Phase margin 50 Degrees
GBW Gain-bandwidth product G = 100, VO = 10 mVPP 110 MHz
SR Slew rate VO = 1-V step, G = 2 45 V/µs
tsettle Settling time VO = 1-V step, G = 2 to 0.1% 80 ns
to 0.01% 170
to 0.000763% (17-bit accuracy) 250
Overshoot VO = 1-V step, G = 2 6%
Undershoot VO = 1-V step, G = 2 5%
HD2 Second-order harmonic distortion (V+) = 3.3 V, (V–) = 0 V, VCOM = 1.1 V,
VO = 2 VPP 		f = 10 kHz 136 dBc
f = 100 kHz 118
f = 1 MHz 80
HD3 Third-order harmonic distortion (V+) = 3.3 V, (V–) = 0 V, VCOM = 1.1 V,
VO = 2 VPP 		f = 10 kHz 143 dBc
f = 10 kHz 143
f = 100 kHz 130
f = 100 kHz 125
f = 1 MHz 85
f = 1 MHz 74
Second-order intermodulation distortion (V+) = 3.3 V, (V–) = 0 V, VCOM = 1.1 V, VO = 2 VPP,
f = 1 MHz, 200-kHz tone spacing		 95 dBc
Third-order intermodulation distortion (V+) = 3.3 V, (V–) = 0 V, VCOM = 1.1V, VO = 1 VPP,
f = 1 MHz, 200-kHz tone spacing		 104 dBc
VN Input noise voltage f = 0.1 Hz to 10 Hz, peak-to-peak 0.8 µVPP
f = 0.1 Hz to 10 Hz, rms 120 nVRMS
Vn Input voltage noise density f = 10 kHz 2.5 nV/√Hz
In Input current noise density f = 10 kHz 3.5 pA/√Hz
tOR Overload recovery time G = 5 35 ns
Zo Open-loop output impedance f = 1 MHz 1.3 Ω
Crosstalk At DC 150 dB
f = 1 MHz 127
DC PERFORMANCE
VOS Input offset voltage 15 ±100 µV
TA = –40°C to 125°C ±300
dVOS/dT Input offset voltage drift TA = –40°C to 125°C 0.5 ±3.1 µV/°C
0.6 ±4
IB Input bias current 2 4 µA
TA = –40°C to 125°C 5.7
6.5
dIB/dT Input bias current drift TA = –40°C to 125°C 15 nA/°C
IOS Input offset current 20 120 nA
TA = –40°C to 125°C 150
200
dIOS/dT Input offset current drift TA = –40°C to 125°C 80 pA/°C
OPEN-LOOP GAIN
AOL Open-loop gain (V–) + 0.2 V < VO < (V+) – 0.2 V,
RLOAD = 600 Ω		 110 dB
(V–) + 0.15 V < VO < (V+) – 0.15 V,
RLOAD = 10 kΩ		 114
TA = –40°C to 125°C (V–) + 0.2 V < VO < (V+) – 0.2 V,
RLOAD = 600 Ω		 100 128
(V–) + 0.15 V < VO < (V+) – 0.15 V,
RLOAD = 10 kΩ		 104 132
INPUT VOLTAGE
VCM Common-mode voltage range TA = –40°C to 125°C (V–) (V+) – 1.15 V
CMRR Common-mode rejection ratio (V–) < VCOM < (V+) – 1.15 V 100 117 dB
TA = –40°C to 125°C 90 115
INPUT IMPEDANCE
ZID Differential input impedance 27 || 0.8 KΩ || pF
ZIC Common-mode input impedance 47 || 1.2 MΩ || pF
OUTPUT
Output voltage swing to the rail R LOAD = 600 Ω 60 80 mV
TA = –40°C to 125°C 100
R LOAD = 10 kΩ 20 35
TA = –40°C to 125°C 40
ISC Short-circuit current 80 mA
CLOAD Capacitive load drive See Typical Characteristics
POWER SUPPLY
IQ Quiescent current per amplifier IO = 0 mA 2 2.1 mA
TA = –40°C to 125°C 2.8