ZHCSP72A August   2020  – November 2021 OPA2388-Q1 , OPA388-Q1

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  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: OPA388-Q1
    5. 6.5 Thermal Information: OPA2388-Q1
    6. 6.6 Electrical Characteristics
    7. 6.7 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Input Voltage and Zero-Crossover Functionality
      2. 7.3.2 Input Differential Voltage
      3. 7.3.3 Internal Offset Correction
      4. 7.3.4 EMI Susceptibility and Input Filtering
    4. 7.4 Device Functional Modes
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curve
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Development Support
        1. 11.1.1.1 TINA-TI™ Simulation Software (Free Download)
        2. 11.1.1.2 PSpice® for TI
        3. 11.1.1.3 TI Precision Designs
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 接收文档更新通知
    4. 11.4 支持资源
    5. 11.5 Trademarks
    6. 11.6 Electrostatic Discharge Caution
    7. 11.7 术语表
  12. 12Mechanical, Packaging, and Orderable Information

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

6.6 Electrical Characteristics

at TA = 25°C, VCM = VOUT = VS / 2, VS = ±1.25 V to ±2.75 V (2.5 V to 5.5 V), and RLOAD = 10 kΩ connected to VS / 2 (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
OFFSET VOLTAGE
VOS Input offset voltage OPA388-Q1 ±0.25 ±5 µV
OPA2388-Q1 ±1.5 ±5
TA = –40°C to +125°C ±7.5
dVOS/dT Input offset voltage drift TA = –40°C to +125°C ±0.005 ±0.05 µV/°C
PSRR Power-supply rejection ratio TA = –40°C to +125°C ±0.1 ±1 µV/V
INPUT BIAS CURRENT
IB Input bias current RIN = 100 kΩ ±30 ±350 pA
TA = 0°C to +85°C ±400
TA = –40°C to +125°C ±700
IOS Input offset current RIN = 100 kΩ ±700 pA
TA = 0°C to +85°C ±800
TA = –40°C to +125°C ±800
NOISE
EN Input voltage noise f = 0.1 Hz to 10 Hz 0.14 µVPP
eN Input voltage noise density f = 10 Hz 7 nV/√Hz
f = 100 Hz 7
f = 1 kHz 7
f = 10 kHz 7
IN Input current noise density f = 1 kHz 100 fA/√Hz
INPUT VOLTAGE
VCM Common-mode voltage range (V–) – 0.1 (V+) + 0.1 V
CMRR Common-mode rejection ratio (V–) – 0.1 V < VCM < (V+) + 0.1 V VS = ±1.25 V                 124 138 dB
VS = ±2.75 V 124 140
(V–) < VCM < (V+) + 0.1 V,
TA = –40°C to +125°C		 VS = ±1.25 V                 114 134
(V–) – 0.05 V < VCM < (V+) + 0.1 V,
TA = –40°C to +125°C		 VS = ±2.75 V 124 140
INPUT IMPEDANCE
zid Differential input impedance 100 || 2 MΩ || pF
zic Common-mode input impedance 60 || 4.5 TΩ || pF
OPEN-LOOP GAIN
AOL Open-loop voltage gain (V–) + 0.15 V < VO < (V+) – 0.15 V 126 148 dB
TA = –40°C to +125°C 120 126
(V–) + 0.25 V < VO < (V+) – 0.25 V, RLOAD = 2 kΩ 126 148
(V–) + 0.30 V < VO < (V+) – 0.30 V, RLOAD = 2 kΩ TA = –40°C to +125°C 120 148
FREQUENCY RESPONSE
GBW Unity-gain bandwidth 10 MHz
SR Slew rate G = 1, 4-V step 5 V/µs
THD+N Total harmonic distortion + noise G = 1, f = 1 kHz, VO = 1 VRMS 0.0005%
tS Settling time VS = ±2.5 V, G = 1,
1-V step		 To 0.1% 0.75 µs
To 0.01% 2
tOR Overload recovery time VIN × G = VS 10 µs
OUTPUT
VO Voltage output swing from rail Positive rail No load 1 15 mV
5 20
RLOAD = 2 kΩ 20 50
Negative rail No load 5 15
10 20
RLOAD = 2 kΩ 40 60
TA = –40°C to +125°C, both rails, RLOAD = 10 kΩ 10 25
ISC Short-circuit current VS = 5.5 V  ±60 mA
VS = 2.5 V  ±30
CLOAD Capacitive load drive See Figure 6-25
ZO Open-loop output impedance f = 1 MHz, IO = 0 A, see Figure 6-24 100 Ω
POWER SUPPLY
IQ Quiescent current per amplifier VS = ±1.25 V (VS = 2.5 V), IO = 0 A 1.7 2.4 mA
TA = –40°C to +125°C 1.7 2.4
VS = ±2.75 V (VS = 5.5 V), IO = 0 A 1.9 2.6
TA = –40°C to +125°C 1.9 2.6
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