SLOSEE6 July   2026 OPA955

ADVANCE INFORMATION  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison Table
  6. 5 Pin Configuration and Functions
  7. 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
    6. 6.6 Typical Characteristics
  8. 7 Parameter Measurement Information
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Input and ESD Protection
      2. 8.3.2 Feedback Pin
    4. 8.4 Device Functional Modes
      1. 8.4.1 Split-Supply and Single-Supply Operation
  10. 9 Application and Implementation
    1. 9.1 Power Supply Recommendations
    2. 9.2 Layout
      1. 9.2.1 Layout Guidelines
      2. 9.2.2 Layout Example
  11. 10Device and Documentation Support
    1. 10.1 Device Support
      1. 10.1.1 Development Support
    2. 10.2 Documentation Support
      1. 10.2.1 Related Documentation
    3. 10.3 Receiving Notification of Documentation Updates
    4. 10.4 Support Resources
    5. 10.5 Trademarks
    6. 10.6 Electrostatic Discharge Caution
    7. 10.7 Glossary
  12. 11Revision History
  13. 12Mechanical, Packaging, and Orderable Information

6.5 Electrical Characteristics

at VS+ = 5 V, VS– = 0 V, G = 7 V/V, RF = 453 Ω, input common-mode biased at midsupply, RL = 200 Ω, output load is referenced to midsupply, and TA = 25℃ (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
AC PERFORMANCE
SSBW Small-signal bandwidth VOUT = 100 mVPP 2.8 GHz
LSBW Large-signal bandwidth VOUT = 2 VPP 1.2 GHz
GBWP Gain-bandwidth product 11 GHz
Bandwdith for 0.1-dB flatness 800 MHz
SR Slew rate (10%-90%) VOUT = 2-V step 3750 V/µs
tr Rise time VOUT = 100-mV step 0.13 ns
tf Fall time VOUT = 100-mV step 0.13 ns
Settling time to 0.1% VOUT = 2-V step 2.3 ns
Settling time to 0.01% VOUT = 2-V step 10 ns
Overshoot or undershoot VOUT = 2-V step 10 %
Overdrive recovery 2x output overdrive 3 ns
HD2 Second-order harmonic distortion f = 10 MHz, VOUT = 2 VPP -79 dBc
f = 100 MHz, VOUT = 2 VPP -62
HD3 Third-order harmonic distortion f = 10 MHz, VOUT = 2 VPP -88 dBc
f = 100 MHz, VOUT = 2 VPP -74
en Input-referred voltage noise f = 1 MHz 0.79 nV/√Hz
ei Input-referred current noise f = 1 MHz 0.55 pA/√Hz
zO Closed-loop output impedance f = 1 MHz 0.06 Ω
DC PERFORMANCE
AOL Open-loop voltage gain 70 76 dB
VOS Input offset voltage TA = 25°C –1.5 ±0.2 1.5 mV
ΔVOS/ΔT Input offset voltage drift TA = –40°C to 125°C 1 µV/°C
IB Input bias current (1) TA = 25°C –5 -2 –0.1 µA
ΔIB/ΔT Input bias current drift TA = –40°C to +125°C –0.08 µA/°C
IBOS Input offset current TA = 25°C –0.6 ±0.2 0.6 µA
ΔIBOS/ΔT Input offset current drift TA = –40°C to +125°C 1 nA/°C
CMRR Common-mode rejection ratio VCM = ±0.5 V referred to midsupply 80 86 dB
INPUT
Common-mode input resistance 2.3 MΩ
CCM Common-mode input capacitance 0.9 pF
Differential input resistance 50 kΩ
CDIFF Differential input capacitance 0.2 pF
VIH Common-mode input range (high) CMRR > 80 dB, VS+ = 3.3 V 2.7 2.9 V
VIL Common-mode input range (low) CMRR > 80 dB, VS+ = 3.3 V 0.9 1.4 V
VIH Common-mode input range (high) CMRR > 80 dB 4.4 4.6 V
VIH Common-mode input range (high) TA = –40°C to +125 °C, CMRR > 80 dB 4.55 V
VIL Common-mode input range (low) CMRR > 80 dB 1.1 1.35 V
VIL Common-mode input range (low) TA = –40°C to +125°C, CMRR > 80 dB 1.3 V
OUTPUT
VOH Output voltage (high)(2) TA = 25°C, VS+ = 3.3 V 2.35 2.4 V
VOH Output voltage (high)(2) TA = 25°C 3.95 4.1 V
TA = –40°C to +125°C 4
VOL Output voltage (low)(2) TA = 25°C, VS+ = 3.3 V 1.05 1.15 V
VOL Output voltage (low)(2) TA = 25°C 1.05 1.15 V
TA = –40°C to +125°C 1.0
IO_LIN Linear output drive (sink and source) RL = 10 Ω, AOL > 60 dB 65 80 mA
TA = –40°C to +125°C, RL = 10 Ω, AOL > 60 dB 70
ISC Output short-circuit current 80 105 mA
POWER SUPPLY
IQ Quiescent current 18 20.2 22 mA
TA = –40°C 18.7
TA = 125°C 22
PSRR+ Positive power-supply rejection ratio 80 86 dB
PSRR– Negative power-supply rejection ratio 70 80
POWER DOWN
Disable voltage threshold Amplifier OFF below this voltage 0.65 0.95 V
Enable voltage threshold Amplifier ON above this voltage 1 1.8 V
Power-down quiescent current 465 520 μA
PD bias current 30 50 μA
Turnon time delay Time to VOUT = 90% of final value 120 ns
Turnoff time delay 30 ns
(1) Current flowing into the input pin is considered negative
(2) Amplifier output saturated