SBOS445C July   2008  – December 2015 INA333

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  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
    5. 6.5 Electrical Characteristics
    6. 6.6 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
    4. 7.4 Device Functional Modes
      1. 7.4.1 Internal Offset Correction
      2. 7.4.2 Input Common-Mode Range
  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
        1. 8.2.2.1  Setting the Gain
        2. 8.2.2.2  Internal Offset Correction
        3. 8.2.2.3  Offset Trimming
        4. 8.2.2.4  Noise Performance
        5. 8.2.2.5  Input Bias Current Return Path
        6. 8.2.2.6  Input Common-Mode Range
        7. 8.2.2.7  Operating Voltage
        8. 8.2.2.8  Low Voltage Operation
        9. 8.2.2.9  Single-Supply Operation
        10. 8.2.2.10 Input Protection
      3. 8.2.3 Application Curves
  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 (Free Download Software)
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 Trademarks
    4. 11.4 Electrostatic Discharge Caution
    5. 11.5 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 7 V
Analog input voltage(2) (V–) – 0.3 (V+) + 0.3 V
Output short-circuit(3) Continuous
Operating temperature, TA –40 150 °C
Junction temperature, TJ 150 °C
Storage temperature, Tstg –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) Input pins are diode-clamped to the power-supply rails. Input signals that can swing more than 0.3 V beyond the supply rails should be current limited to 10 mA or less.
(3) Short-circuit to ground.

6.2 ESD Ratings

VALUE UNIT
V(ESD) Electrostatic discharge Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001(1) ±4000 V
Charged-device model (CDM), per JEDEC specification JESD22-C101(2) ±1000
Machine model (MM) ±200
(1) JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process.
(2) JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process.

6.3 Recommended Operating Conditions

over operating free-air temperature range (unless otherwise noted)
MIN MAX UNIT
VS Supply voltage 1.8 5.5 V
Specified temperature –40 125 °C

6.4 Thermal Information

THERMAL METRIC(1) INA333 UNIT
DGK (VSSOP) DRG (WSON)
8 PINS 8 PINS
RθJA Junction-to-ambient thermal resistance 169.5 60 °C/W
RθJC(top) Junction-to-case (top) thermal resistance 62.7 60 °C/W
RθJB Junction-to-board thermal resistance 90.3 50 °C/W
ψJT Junction-to-top characterization parameter 7.6 — °C/W
ψJB Junction-to-board characterization parameter 88.7 — °C/W
RθJC(bot) Junction-to-case (bottom) thermal resistance — 6 °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 Electrical Characteristics

for VS = 1.8 V to 5.5 V at TA = 25°C, RL = 10 kΩ, VREF = VS / 2, and G = 1 (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
INPUT(1)
VOSI Offset voltage, RTI(2) ±10 ±25/G ±25 ±75/G μV
PSR vs temperature TA = –40°C to +125°C ±0.1 ±0.5 / G μV/°C
vs power supply 1.8 V ≤ VS ≤ 5.5 V ±1 ±5/G ±5 ±15/G μV/V
Long-term stability See (3)
Turnon time to specified VOSI TA = –40°C to +125°C See Typical Characteristics
Impedance
ZIN Differential 100 || 3 GΩ || pF
ZIN Common-mode 100 || 3 GΩ || pF
VCM Common-mode voltage range VO = 0 V (V–) + 0.1 (V+) – 0.1 V
CMR Common-mode rejection DC to 60 Hz
G = 1 VCM = (V–) + 0.1 V
to (V+) – 0.1 V		 80 90 dB
G = 10 VCM = (V–) + 0.1 V
to (V+) – 0.1 V		 100 110 dB
G = 100 VCM = (V–) + 0.1 V
to (V+) – 0.1 V		 100 115 dB
G = 1000 VCM = (V–) + 0.1 V
to (V+) – 0.1 V		 100 115 dB
INPUT BIAS CURRENT
IB Input bias current ±70 ±200 pA
vs temperature TA = –40°C to +125°C See Figure 26 pA/°C
IOS Input offset current ±50 ±200 pA
vs temperature TA = –40°C to +125°C See Figure 28 pA/°C
INPUT VOLTAGE NOISE
eNI Input voltage noise G = 100, RS = 0 Ω, f = 10 Hz 50 nV/√Hz
G = 100, RS = 0 Ω, f = 100 Hz 50 nV/√Hz
G = 100, RS = 0 Ω, f = 1 kHz 50 nV/√Hz
G = 100, RS = 0 Ω, f = 0.1 Hz to 10 Hz 1 μVPP
iN Input current noise f = 10 Hz 100 fA/√Hz
f = 0.1 Hz to 10 Hz 2 pAPP
GAIN
G Gain equation 1 + (100 kΩ/RG) V/V
Range of gain 1 1000 V/V
Gain error VS = 5.5 V, (V–) + 100 mV
≤ VO ≤ (V+) – 100 mV
G = 1 ±0.01% ±0.1%
G = 10 ±0.05% ±0.25%
G = 100 ±0.07% ±0.25%
G = 1000 ±0.25% ±0.5%
Gain vs temperature, G = 1 TA = –40°C to +125°C ±1 ±5 ppm/°C
Gain vs temperature, G > 1(4) TA = –40°C to +125°C ±15 ±50 ppm/°C
Gain nonlinearity VS = 5.5 V, (V–) + 100 mV
≤ VO ≤ (V+) – 100 mV
Gain nonlinearity, G = 1 to 1000 RL = 10 kΩ 10 ppm
OUTPUT
Output voltage swing from rail VS = 5.5 V, RL = 10 kΩ See Figure 29 50 mV
Capacitive load drive 500 pF
ISC Short-circuit current Continuous to common –40, +5 mA
FREQUENCY RESPONSE
Bandwidth, –3dB G = 1 150 kHz
G = 10 35 kHz
G = 100 3.5 kHz
G = 1000 350 Hz
SR Slew rate VS = 5 V, VO = 4-V step, G = 1 0.16 V/μs
VS = 5 V, VO = 4-V step, G = 100 0.05 V/μs
tS Settling time to 0.01% VSTEP = 4 V, G = 1 50 μs
VSTEP = 4 V, G = 100 400 μs
tS Settling time to 0.001% VSTEP = 4 V, G = 1 60 μs
VSTEP = 4 V, G = 100 500 μs
Overload recovery 50% overdrive 75 μs
REFERENCE INPUT
RIN 300 kΩ
Voltage range V– V+ V
POWER SUPPLY
Voltage range Single voltage range +1.8 +5.5 V
Dual voltage range ±0.9 ±2.75 V
IQ Quiescent current VIN = VS / 2 50 75 μA
vs temperature TA = –40°C to +125°C 80 μA
TEMPERATURE RANGE
Specified temperature range –40 125 °C
Operating temperature range –40 150 °C
(1) Total VOS, referred-to-input = (VOSI) + (VOSO / G)
(2) RTI = Referred-to-input
(3) 300-hour life test at 150°C demonstrated randomly distributed variation of approximately 1 μV
(4) Does not include effects of external resistor RG

6.6 Typical Characteristics

at TA = 25°C, VS = 5 V, RL = 10 kΩ, VREF = midsupply, and G = 1 (unless otherwise noted)
INA333 tc_histo_in_vo_bos445.gif
Figure 1. Input Offset Voltage
INA333 tc_histo_out_off_bos445.gif
Figure 3. Output Offset Voltage
INA333 tc_vos-vcm_bos445.gif
Figure 5. Offset Voltage vs Common-Mode Voltage
INA333 tc_noise_100g_bos445.gif
Figure 7. 0.1-Hz to 10-Hz Noise
INA333 tc_inl_err_bos445.gif
Figure 9. Nonlinearity Error
INA333 tc_lg_resp_100g_bos445.gif
Figure 11. Large-Signal Step Response
INA333 tc_sm_resp_100g_bos445.gif
Figure 13. Small-Signal Step Response
INA333 tc_startup_tset_bos445.gif
Figure 15. Start-Up Settling Time
INA333 tc_histo_cmrr_1g_bos445.gif
Figure 17. Common-Mode Rejection Ratio
INA333 tc_cmrr-frq_bos445.gif
Figure 19. Common-Mode Rejection Ratio vs Frequency
INA333 tc_typ_cmr-vo_tri_bos445.gif
Figure 21. Typical Common-Mode Range vs Output Voltage
INA333 tc_typ_cmr-vo_tri_1p8_bos445.gif
Figure 23. Typical Common-Mode Range vs Output Voltage
INA333 tc_neg_psrr-frq_bos445.gif
Figure 25. Negative Power-Supply Rejection Ratio
INA333 tc_in_ib-vcm_bos445.gif
Figure 27. Input Bias Current vs Common-Mode Voltage
INA333 tc_vo_swing-io_bos445.gif
Figure 29. Output Voltage Swing vs Output Current
INA333 tc_iq-vcm_bos445.gif
Figure 31. Quiescent Current vs Common-Mode Voltage
INA333 tc_histo_in_vo_drift_bos445.gif
Figure 2. Input Voltage Offset Drift (–40°C to 125°C)
INA333 tc_histo_out_vo_drift_bos445.gif
Figure 4. Output Voltage Offset Drift (–40°C to 125°C)
INA333 tc_noise_1g_bos445.gif
Figure 6. 0.1-Hz to 10-Hz Noise
INA333 tc_noise_spec_bos445.gif
Figure 8. Spectral Noise Density
INA333 tc_lg_resp_1g_bos445.gif
Figure 10. Large Signal Response
INA333 tc_sm_resp_1g_bos445.gif
Figure 12. Small-Signal Step Response
INA333 tc_tset-g_bos445.gif
Figure 14. Settling Time vs Gain
INA333 tc_g-frq_bos445.gif
Figure 16. Gain vs Frequency
INA333 tc_cmrr-tmp_bos445.gif
Figure 18. Common-Mode Rejection Ratio vs Temperature
INA333 tc_typ_cmr-vo_oct_bos445.gif
Figure 20. Typical Common-Mode Range vs Output Voltage
INA333 tc_typ_cmr-vo_oct_0p9_bos445.gif
Figure 22. Typical Common-Mode Range vs Output Voltage
INA333 tc_pos_psrr-frq_bos445.gif
Figure 24. Positive Power-Supply Rejection Ratio
INA333 tc_in_ib-tmp_bos445.gif
Figure 26. Input Bias Current vs Temperature
INA333 tc_in_ios-tmp_bos445.gif
Figure 28. Input Offset Current vs Temperature
INA333 tc_iq-tmp_bos445.gif
Figure 30. Quiescent Current vs Temperature