SBOS110B May   1998  – June 2015 OPA2227 , OPA2228 , OPA227 , OPA228 , OPA4227 , OPA4228

PRODUCTION DATA.  

  1. Features
  2. Applications
  3. Description
  4. Revision History
  5. Pin Configuration and Functions
  6. Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information: OPA227U/UA and OPA228U/UA
    5. 6.5 Thermal Information: OPA227P/PA and OPA228P/PA
    6. 6.6 Electrical Characteristics: OPAx227 Series (VS = ±5 V to ±15 V)
    7. 6.7 Electrical Characteristics: OPAx228 Series (VS = ±5 V to ±15 V)
    8. 6.8 Typical Characteristics
  7. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Offset Voltage and Drift
      2. 7.3.2 Operating Voltage
      3. 7.3.3 Offset Voltage Adjustment
      4. 7.3.4 Input Protection
      5. 7.3.5 Input Bias Current Cancellation
      6. 7.3.6 Noise Performance
      7. 7.3.7 Basic Noise Calculations
      8. 7.3.8 EMI Rejection Ratio (EMIRR)
        1. 7.3.8.1 EMIRR IN+ Test Configuration
    4. 7.4 Device Functional Modes
  8. Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Three-Pole, 20 kHz Low Pass, 0.5-dB Chebyshev Filter
      2. 8.1.2 Long-Wavelength Infrared Detector Amplifier
      3. 8.1.3 High Performance Synchronous Demodulator
      4. 8.1.4 Headphone Amplifier
      5. 8.1.5 Three-Band Active Tone Control (Bass, Midrange, and Treble)
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Using the OPAx228 in Low Gains
      3. 8.2.3 Application Curves
  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 (Free Software Download)
        2. 11.1.1.2 TI Precision Designs
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 Related Links
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

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

6 Specifications

6.1 Absolute Maximum Ratings

over operating free-air temperature range (unless otherwise noted) (1)
MIN MAX UNIT
Supply voltage, Vs = (V+) - (V-) 36 V
Signal input terminals Voltage (V–) – 0.7 (V+) +0.7 V
Current 20 mA
Output short-circuit(2) Continuous
Operating temperature –55 125 °C
Junction temperature 150 °C
Tstg Storage temperature –65 150 °C
(1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2) Short-circuit to ground, one amplifier per package

6.2 ESD Ratings

VALUE UNIT
V(ESD) Electrostatic discharge Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001(1) ±2000 V
(1) JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process.

6.3 Recommended Operating Conditions

over operating free-air temperature range (unless otherwise noted)
MIN NOM MAX UNIT
Supply voltage, Vs = (V+) - (V-) ±2.5 ±15 ±18 V
Specified temperature –40 85 °C

6.4 Thermal Information: OPA227U/UA and OPA228U/UA

THERMAL METRIC(1) OPA227U/UA
OPA228U/UA
OPA2227U/UA
OPA2228U/UA
OPA4227UA
OPA4228UA
UNIT
D (SOIC) D (SOIC) D (SOIC)
8 PINS 8 PINS 14 PINS
RθJA Junction-to-ambient thermal resistance 110.1 101.9 65 °C/W
RθJC(top) Junction-to-case (top) thermal resistance 52.2 46.3 23.1 °C/W
RθJB Junction-to-board thermal resistance 52.3 45.5 20.3 °C/W
ψJT Junction-to-top characterization parameter 10.4 6.6 1.8 °C/W
ψJB Junction-to-board characterization parameter 51.5 42.8 19.9 °C/W
RθJC(bot) Junction-to-case (bottom) thermal resistance N/A N/A N/A °C/W
(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report, SPRA953.

6.5 Thermal Information: OPA227P/PA and OPA228P/PA

THERMAL METRIC(1) OPA227P/PA
OPA228P/PA
UNIT
P (PDIP) D (SOIC) N (PDIP)
8 PINS 8 PINS 14 PINS
RθJA Junction-to-ambient thermal resistance 48.9 110.1 65.5 °C/W
RθJC(top) Junction-to-case (top) thermal resistance 37.7 52.2 20 °C/W
RθJB Junction-to-board thermal resistance 26.1 52.3 25.9 °C/W
ψJT Junction-to-top characterization parameter 15.1 10.4 1.9 °C/W
ψJB Junction-to-board characterization parameter 26 51.5 25.3 °C/W
RθJC(bot) Junction-to-case (bottom) thermal resistance N/A N/A N/A °C/W
(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report, SPRA953.

6.6 Electrical Characteristics: OPAx227 Series (VS = ±5 V to ±15 V)

At TA = 25°C, and RL = 10 kΩ, unless otherwise noted.
PARAMETER TEST CONDITIONS OPA227P, U
OPA2227P, U
OPA227PA, UA
OPA2227PA, UA
OPA4227PA, UA
UNIT
MIN TYP MAX MIN TYP MAX
OFFSET VOLTAGE
VOS Input Offset Voltage ±5 ±75 ±10 ±200 µV
TA = –40°C to 85°C ±100 ±200 µV
dVOS/dT vs Temperature TA = –40°C to 85°C ±0.1 ±0.6 ±0.3 ±2 µV/°C
PSRR vs Power Supply VS = ±2.5 V to ±18 V ±0.5 ±2 ±0.5 ±2 µV/V
TA = –40°C to 85°C ±2 ±2 µV/V
vs Time 0.2 0.2 µV/mo
Channel Separation (dual, quad) DC 0.2 0.2 µV/V
f = 1 kHz, RL = 5 kΩ 110 110 dB
INPUT BIAS CURRENT
IB Input Bias Current ±2.5 ±10 ±2.5 ±10 nA
TA = –40°C to 85°C ±10 ±10 nA
IOS Input Offset Current ±2.5 ±10 ±2.5 ±10 nA
TA = –40°C to 85°C ±10 ±10 nA
NOISE
Input Voltage Noise, f = 0.1 Hz to 10 Hz 90 90 nVp-p
15 15 nVrms
en Input Voltage Noise Density f = 10 Hz 3.5 3.5 nV/√Hz
f = 100 Hz 3 3 nV/√Hz
f = 1 kHz 3 3 nV/√Hz
in Current Noise Density f = 1 kHz 0.4 0.4 pA/√Hz
INPUT VOLTAGE RANGE
VCM Common-Mode Voltage Range (V–)+2 (V+)–2 (V–)+2 (V+)–2 V
CMRR Common-Mode Rejection VCM = (V–)+2 V to (V+)–2 V 120 138 120 138 dB
TA = –40°C to 85°C 120 120 dB
INPUT IMPEDANCE
Differential 107 || 12 107 || 12 Ω || pF
Common-Mode VCM = (V–)+2 V to (V+)–2 V 109 || 3 109 || 3 Ω || pF
OPEN-LOOP GAIN
AOL Open-Loop Voltage Gain VO = (V–)+2 V to (V+)–2 V,
RL = 10 kΩ
132 160 132 160 dB
TA = –40°C to 85°C 132 132 dB
VO = (V–)+3.5V to (V+)–3.5 V,
RL = 600 Ω
132 160 132 160 dB
TA = –40°C to 85°C 132 132 dB
FREQUENCY RESPONSE
GBW Gain Bandwidth Product 8 8 MHz
SR Slew Rate 2.3 2.3 V/µs
Settling Time 0.1% G = 1, 10 V Step, CL = 100 pF 5 5 µs
0.01% G = 1, 10 V Step, CL = 100 pF 5.6 5.6 µs
Overload Recovery Time VIN × G = VS 1.3 1.3 µs
THD+N Total Harmonic Distortion + Noise f = 1 kHz, G = 1, VO = 3.5 Vrms 0.00005% 0.00005%
OUTPUT
Voltage Output RL = 10 kΩ (V–)+2 (V+)–2 (V–)+2 (V+)–2 V
RL = 10 kΩ (V–)+2 (V+)–2 (V–)+2 (V+)–2 V
TA = –40°C to 85°C
RL = 600 Ω (V–)+3.5 (V+)–3.5 (V–)+3.5 (V+)–3.5 V
RL = 600 Ω (V–)+3.5 (V+)–3.5 (V–)+3.5 (V+)–3.5 V
TA = –40°C to 85°C
ISC Short-Circuit Current ±45 ±45 mA
CLOAD Capacitive Load Drive See Typical Characteristics See Typical Characteristics
ZO Open-loop output impedance f = 1 MHz 27 27 Ω
POWER SUPPLY
VS Specified Voltage Range ±5 ±15 ±5 ±15 V
Operating Voltage Range ±2.5 ±18 ±2.5 ±18 V
IQ Quiescent Current (per amplifier) IO = 0 ±3.7 ±3.8 ±3.7 ±3.8 mA
IO = 0 ±4.2 ±4.2 mA
TA = –40°C to 85°C
TEMPERATURE RANGE
Specified Range –40 85 –40 85 °C
Operating Range –55 125 –55 125 °C
Storage Range –65 150 –65 150 °C
θJA Thermal Resistance
SO-8 Surface Mount 150 150 °C/W
DIP-8 100 100 °C/W
DIP-14 80 80 °C/W
SO-14 Surface Mount 100 100 °C/W

6.7 Electrical Characteristics: OPAx228 Series (VS = ±5 V to ±15 V)

At TA = 25°C, and RL = 10 kΩ, unless otherwise noted.
PARAMETER TEST CONDITIONS OPA228P, U
OPA2228P, U
OPA228PA, UA
OPA2228PA, UA
OPA4228PA, UA
UNIT
MIN TYP MAX MIN TYP MAX
OFFSET VOLTAGE
VOS Input Offset Voltage ±5 ±75 ±10 ±200 µV
TA = –40°C to 85°C ±100 ±200 µV
dVOS/dT vs Temperature TA = –40°C to 85°C ±0.1 ±0.6 ±0.3 ±2 µV/°C
PSRR vs Power Supply VS = ±2.5 V to ±18 V ±0.5 ±2 ±0.5 ±2 µV/V
TA = –40°C to 85°C ±2 ±2 µV/V
vs Time 0.2 0.2 µV/mo
Channel Separation (dual, quad) DC 0.2 0.2 µV/V
f = 1kHz, RL = 5 kΩ 110 110 dB
INPUT BIAS CURRENT
IB Input Bias Current ±2.5 ±10 ±2.5 ±10 nA
TA = –40°C to 85°C ±10 ±10 nA
IOS Input Offset Current ±2.5 ±10 ±2.5 ±10 nA
TA = –40°C to 85°C ±10 ±10 nA
NOISE
Input Voltage Noise, f = 0.1 Hz to 10 Hz 90 90 nVp-p
15 15 nVrms
en Input Voltage Noise Density f = 10 Hz 3.5 3.5 nV/√Hz
f = 100 Hz 3 3 nV/√Hz
f = 1 kHz 3 3 nV/√Hz
in Current Noise Density f = 1 kHz 0.4 0.4 pA/√Hz
INPUT VOLTAGE RANGE
VCM Common-Mode Voltage Range (V–)+2 (V+)–2 (V–)+2 (V+)–2 V
CMRR Common-Mode Rejection VCM = (V–)+2 V to (V+)–2 V 120 138 120 138 dB
TA = –40°C to 85°C 120 120 dB
INPUT IMPEDANCE
Differential 107 || 12 107 || 12 Ω || pF
Common-Mode VCM = (V–)+2 V to (V+)–2 V 109 || 3 109 || 3 Ω || pF
OPEN-LOOP GAIN
AOL Open-Loop Voltage Gain VO = (V–)+2 V to (V+)–2 V,
RL = 10 kΩ
132 160 132 160 dB
TA = –40°C to 85°C 132 132 dB
VO = (V–)+3.5 V to (V+)–3.5 V,
RL = 600 Ω
132 160 132 160 dB
TA = –40°C to 85°C 132 132 dB
FREQUENCY RESPONSE
Minimum Closed-Loop Gain 5 5 V/V
GBW Gain Bandwidth Product 33 33 MHz
SR Slew Rate 11 11 V/µs
Settling Time 0.1% G = 5, 10 V Step, CL = 100 pF, CF = 12 pF 1.5 1.5 µs
0.01% G = 5, 10 V Step, CL = 100 pF, CF = 12 pF 2 2 µs
Overload Recovery Time VIN × G = VS 0.6 0.6 µs
THD+N Total Harmonic Distortion + Noise f = 1 kHz, G = 5, VO = 3.5 Vrms 0.00005% 0.00005%
OUTPUT
Voltage Output RL = 10 kΩ (V–)+2 (V+)–2 (V–)+2 (V+)–2 V
RL = 10 kΩ (V–)+2 (V+)–2 (V–)+2 (V+)–2 V
TA = –40°C to 85°C
RL = 600 Ω (V–)+3.5 (V+)–3.5 (V–)+3.5 (V+)–3.5 V
RL = 600 Ω (V–)+3.5 (V+)–3.5 (V–)+3.5 (V+)–3.5 V
TA = –40°C to 85°C
ISC Short-Circuit Current ±45 ±45 mA
CLOAD Capacitive Load Drive See Typical Characteristics See Typical Characteristics
ZO Open-loop output impedance f = 1 MHz 27 27 Ω
POWER SUPPLY
VS Specified Voltage Range ±5 ±15 ±5 ±15 V
Operating Voltage Range ±2.5 ±18 ±2.5 ±18 V
IQ Quiescent Current (per amplifier) IO = 0 ±3.7 ±3.8 ±3.7 ±3.8 mA
IO = 0 ±4.2 ±4.2 mA
TA = –40°C to 85°C
TEMPERATURE RANGE
Specified Range –40 85 –40 85 °C
Operating Range –55 125 –55 125 °C
Storage Range –65 150 –65 150 °C
θJA Thermal Resistance
SO-8 Surface Mount 150 150 °C/W
DIP-8 100 100 °C/W
DIP-14 80 80 °C/W
SO-14 Surface Mount 100 100 °C/W

6.8 Typical Characteristics

At TA = 25°C, RL = 10 kΩ, and VS = ±15 V, unless otherwise noted.
OPA227 OPA2227 OPA4227 OPA228 OPA2228 OPA4228 typ_perf_curv_01_olgp_v_f_sbos110.gif
Figure 1. Open-Loop Gain and Phase vs Frequency
OPA227 OPA2227 OPA4227 OPA228 OPA2228 OPA4228 typ_perf_curv_03_psacmrr_v_f_sbos110.gif
Figure 3. Power Supply and Common-Mode Rejection Ratio vs Frequency
OPA227 OPA2227 OPA4227 OPA228 OPA2228 OPA4228 typ_perf_curv_05_thdn_v_f_sbos110.gif
Figure 5. Total Harmonic Distortion + Noise vs Frequency
OPA227 OPA2227 OPA4227 OPA228 OPA2228 OPA4228 typ_perf_curv_07_inv_v_t_sbos110.gif
Figure 7. Input Noise Voltage vs Time
OPA227 OPA2227 OPA4227 OPA228 OPA2228 OPA4228 typ_perf_curv_09_vnd_10hz_sbos110.gif
Figure 9. Voltage Noise Distribution (10 Hz)
OPA227 OPA2227 OPA4227 OPA228 OPA2228 OPA4228 typ_perf_curv_11_ovdpd_sbos110.gif
Figure 11. Offset Voltage Drift Production Distribution
OPA227 OPA2227 OPA4227 OPA228 OPA2228 OPA4228 typ_perf_curv_13_aolcmrrpsrr_v_t_sbos110.gif
Figure 13. AOL, CMRR, PSRR vs Temperature
OPA227 OPA2227 OPA4227 OPA228 OPA2228 OPA4228 typ_perf_curv_15_ibc_v_t_sbos110.gif
Figure 15. Input Bias Current vs Temperature
OPA227 OPA2227 OPA4227 OPA228 OPA2228 OPA4228 typ_perf_curv_17_qc_v_t_sbos110.gif
Figure 17. Quiescent Current vs Temperature
OPA227 OPA2227 OPA4227 OPA228 OPA2228 OPA4228 typ_perf_curv_19_sr_v_t_sbos110.gif
Figure 19. Slew Rate vs Temperature
OPA227 OPA2227 OPA4227 OPA228 OPA2228 OPA4228 typ_perf_curv_21_ciibc_v_pss_sbos110.gif
Figure 21. Change in Input Bias Current vs Power Supply Voltage
OPA227 OPA2227 OPA4227 OPA228 OPA2228 OPA4228 typ_perf_curv_23_st_v_clg_sbos110.gif
Figure 23. Settling Time vs Closed-Loop Gain
OPA227 OPA2227 OPA4227 OPA228 OPA2228 OPA4228 typ_perf_curv_25_mov_v_f_sbos110.gif
Figure 25. Maximum Output Voltage vs Frequency
OPA227 OPA2227 OPA4227 OPA228 OPA2228 OPA4228 typ_perf_curv_27_lssr_sbos110.gif
G = –1, CL = 1500 pF
Figure 27. Large-Signal Step Response
OPA227 OPA2227 OPA4227 OPA228 OPA2228 OPA4228 typ_perf_curv_29_sssr_sbos110.gif
G = 1, CL = 5 pF
Figure 29. Small-Signal Step Response
OPA227 OPA2227 OPA4227 OPA228 OPA2228 OPA4228 typ_perf_curv_31_sso_v_lc_sbos110.gif
Figure 31. Small-Signal Overshoot vs Load Capacitance
OPA227 OPA2227 OPA4227 OPA228 OPA2228 OPA4228 typ_perf_curv_33_sssr_sbos110.gif
G = 10, CL = 1000 pF RL = 1.8 kΩ
Figure 33. Small-Signal Step Response
OPA227 OPA2227 OPA4227 OPA228 OPA2228 OPA4228 D001_SBOS110.gif
Figure 35. Open-loop Output Impedance
OPA227 OPA2227 OPA4227 OPA228 OPA2228 OPA4228 typ_perf_curv_02_olgp_v_f_sbos110.gif
Figure 2. Open-Loop Gain and Phase vs Frequency
OPA227 OPA2227 OPA4227 OPA228 OPA2228 OPA4228 typ_perf_curv_04_ivacnsd_v_f_sbos110.gif
Figure 4. Input Voltage and Current Noise Spectral Density vs Frequency
OPA227 OPA2227 OPA4227 OPA228 OPA2228 OPA4228 typ_perf_curv_06_thdn_v_f_sbos110.gif
Figure 6. Total Harmonic Distortion + Noise vs Frequency
OPA227 OPA2227 OPA4227 OPA228 OPA2228 OPA4228 typ_perf_curv_08_cs_v_f_sbos110.gif
Figure 8. Channel Separation vs Frequency
OPA227 OPA2227 OPA4227 OPA228 OPA2228 OPA4228 typ_perf_curv_10_ovpd_sbos110.gif
Figure 10. Offset Voltage Production Distribution
OPA227 OPA2227 OPA4227 OPA228 OPA2228 OPA4228 typ_perf_curv_12_wuovd_sbos110.gif
Figure 12. Warm-Up Offset Voltage Drift
OPA227 OPA2227 OPA4227 OPA228 OPA2228 OPA4228 typ_perf_curv_14_aolcmrrpsrr_v_t_sbos110.gif
Figure 14. AOL, CMRR, PSRR vs Temperature
OPA227 OPA2227 OPA4227 OPA228 OPA2228 OPA4228 typ_perf_curv_16_scc_v_t_sbos110.gif
Figure 16. Short-Circuit Current vs Temperature
OPA227 OPA2227 OPA4227 OPA228 OPA2228 OPA4228 typ_perf_curv_18_qc_v_sv_sbos110.gif
Figure 18. Quiescent Current vs Supply Voltage
OPA227 OPA2227 OPA4227 OPA228 OPA2228 OPA4228 typ_perf_curv_20_sr_v_t_sbos110.gif
Figure 20. Slew Rate vs Temperature
OPA227 OPA2227 OPA4227 OPA228 OPA2228 OPA4228 typ_perf_curv_22_ciibc_v_cmv_sbos110.gif
Figure 22. Change in Input Bias Current vs Common-Mode Voltage
OPA227 OPA2227 OPA4227 OPA228 OPA2228 OPA4228 typ_perf_curv_24_ovs_v_oc_sbos110.gif
Figure 24. Output Voltage Swing vs Output Current
OPA227 OPA2227 OPA4227 OPA228 OPA2228 OPA4228 typ_perf_curv_26_sso_v_lc_sbos110.gif
Figure 26. Small-Signal Overshoot vs Load Capacitance
OPA227 OPA2227 OPA4227 OPA228 OPA2228 OPA4228 typ_perf_curv_28_sssr_sbos110.gif
G = 1, C = 1000 pF
Figure 28. Small-Signal Step Response
OPA227 OPA2227 OPA4227 OPA228 OPA2228 OPA4228 typ_perf_curv_30_mov_v_f_sbos110.gif
Figure 30. Maximum Output Voltage vs Frequency
OPA227 OPA2227 OPA4227 OPA228 OPA2228 OPA4228 typ_perf_curv_32_lssr_sbos110.gif
G = –10, CL = 100 pF
Figure 32. Large-Signal Step Response
OPA227 OPA2227 OPA4227 OPA228 OPA2228 OPA4228 typ_perf_curv_34_sssr_sbos110.gif
G = 10, CL = 1000 pF RL = 1.8 kΩ
Figure 34. Small-Signal Step Response