ZHCSF85A July   2016  – December 2019 OPA2626

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     Device Images
      1.      SAR ADC 驱动器
      2.      高保真拓扑改善了动态性能 （fIN = 10kHz，1MSPS FFT）
  4. 4 修订历史记录
  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. 12器件和文档支持
    1. 12.1 器件支持
      1. 12.1.1 开发支持
        1. 12.1.1.1 TINA-TI（免费软件下载）
        2. 12.1.1.2 TI 高精度设计
    2. 12.2 文档支持
      1. 12.2.1 相关文档
    3. 12.3 接收文档更新通知
    4. 12.4 社区资源
    5. 12.5 商标
    6. 12.6 静电放电警告
    7. 12.7 Glossary
  13. 13机械、封装和可订购信息

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

6.5 Electrical Characteristics: High-Supply

at TA = 25°C, V+ = 5 V, V– = 0 V, VCOM = VO = 2.5 V, gain (G) = 1, RF = 1 kΩ, CF = 2.7 pF, CLOAD = 20 pF, and RLOAD = 2 kΩ connected to 2.5 V (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
AC PERFORMANCE
Unity gain frequency VO = 10 mVPP 80 MHz
φm Phase margin 50 Degrees
GBW Gain-bandwidth product G = 100, VO = 10 mVPP 120 MHz
SR Slew rate VO = 1-V step, G = 1 45 V/µs
VO = 4-V step, G = 2 115
tsettle Settling time VO = 4-V step, G = 2 Settling time to 0.1%
(10-bit accuracy)		 80 ns
to 0.005%
(14-bit accuracy)		 110
to 0.00153%
(16-bit accuracy)		 280
Overshoot VO = 4-V step, G = 2 2.5%
Undershoot VO = 4-V step, G = 2 3%
HD2 Second-order harmonic distortion VO = 2 VPP, G = 2 f = 10 kHz 144 dBc
f = 100 kHz 122
f = 1 MHz 80
HD3 Third-order harmonic distortion VO = 2 VPP, G = 2 f = 10 kHz 155 dBc
f = 100 kHz 140
f = 1 MHz 80
Second-order intermodulation distortion VO = 2 VPP, f = 1 MHz, 200-kHz tone spacing 90 dBc
Third-order intermodulation distortion VO = 2 VPP, f = 1 MHz, 200-kHz tone spacing 100 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 = 1 kHz 3.2 nV/√Hz
f = 10 kHz 2.5
In Input current noise density f = 1 kHz 6.6 pA/√Hz
f = 10 kHz 3.5
tOR Overload recovery time G = 5 50 ns
Zo Open-loop output impedance f = 1 MHz 1 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 µV/°C
0.6 ±4
PSRR Power-supply rejection ratio 2.7 V ≤ (V+) ≤ 5 V 100 dB
TA = –40°C to 125°C 90 120
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
350
dIOS/dT Input offset current drift TA = –40°C to 125°C 0.6 nA/°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		 106 128
(V–) + 0.15 V < VO < (V+) – 0.15 V,
RLOAD = 10 kΩ		 110 132
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 || 1.2 KΩ || pF
ZIC Common-mode input impedance 47 || 1.5 MΩ || pF
OUTPUT
Output voltage swing to the rail RLOAD = 600 Ω 60 80 mV
TA = –40°C to 125°C 100
RLOAD = 10 kΩ 20 35
TA = –40°C to 125°C 40
Isc Short-circuit current 130 mA
CLOAD Capacitive load drive See Typical Characteristics
POWER SUPPLY
IQ Quiescent current per amplifier IO = 0 mA 2 2.2 mA
TA = –40°C to 125°C 3.1
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