SNOSAW8F May   2008  – July 2026 LM7321 , LM7322

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Output Short Circuit Current and Dissipation Issues
    4. 6.4 Device Functional Modes
      1. 6.4.1 Driving Capacitive Loads
      2. 6.4.2 Electrical Overstress
      3. 6.4.3 Old Versus New Die Comparison
  8. 7 Application and Implementation
    1. 7.1 Typical Application
    2. 7.2 Layout
      1. 7.2.1 Layout Guidelines
      2. 7.2.2 Layout Example
  9. 8 Power Supply Recommendations
  10. 9 Device and Documentation Support
    1. 9.1 Receiving Notification of Documentation Updates
    2. 9.2 Support Resources
    3. 9.3 Trademarks
    4. 9.4 Electrostatic Discharge Caution
    5. 9.5 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

Package Options

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

5.5 Electrical Characteristics

For VS = (V+) – (V–) = 2.7V to 32V (±1.35V to ±16V) at TA = 25°C, RL = 10kΩ connected to VS / 2, VCM = VS / 2, and VOUT = VS / 2, unless otherwise noted.
PARAMETER TEST CONDITION MIN TYP MAX UNIT
VOS Input Offset Voltage VCM = V− −5 ±0.35 +5 mV
TA = –40°C to +125°C −6 +6
TC VOS Input Offset Voltage Temperature Drift VCM = V− ±2.5 µV/°C
IB Input Bias Current −2 0.4 µA
TA = –40°C to +125°C −2.5
0.4 1
TA = –40°C to +125°C 1.5
IOS Input Offset Current 7 200 nA
TA = –40°C to +125°C 300
CMRR Common-Mode Rejection Ratio VS = 32V, V– < VCM < (V+) – 2V
(Main Input Pair)		 TA = –40°C to 125°C 109 125 dB
VS = 5V, V– < VCM < (V+) – 2V
(Main Input Pair)(1)		 TA = –40°C to 125°C 93 111
VS = 2.7V, V– < VCM < (V+) – 2V
(Main Input Pair)		 TA = –40°C to 125°C 114
VS = 2.7 – 32V, (V+) – 1V < VCM < V+
(Aux Input Pair)		 TA = –40°C to 125°C 77
(V+) – 2V < VCM < (V+) – 1V TA = –40°C to 125°C See Offset Voltage vs Common-Mode Voltage, New Die
PSRR Power Supply Rejection Ratio VCM = V–, VS = 5V to 32V TA = –40°C to 125°C 78 104 dB
VCM = V–, VS = 2.7V to 32V TA = –40°C to 125°C 74
VCM Common-mode input voltage range (V–) – 0.1 (V+) + 0.1 V
AVOL Open-Loop Voltage Gain VS = 32V, VCM = VS / 2,
(V–) + 1V < VO < (V+) –  1V		 75 87 dB
TA = –40°C to 125°C 70 87
VS = 5V, VCM = VS / 2,
(V–) + 1V < VO < (V+) –  1V(1)		 74 80
TA = –40°C to 125°C 70 80
VS = 2.7V, VCM = VS / 2,
(V–) + 1V < VO < (V+) –  1V(1)		 65 80
TA = –40°C to 125°C 62 80
VOUT Output Voltage Swing
High		 VID = 100mV 50 150 mV from either rail
TA = –40°C to +125°C 160
RL = 2kΩ VID = 100mV 50 250
TA = –40°C to +125°C 280
Output Voltage Swing
Low		 VID = −100mV 50 120
TA = –40°C to +125°C 150
RL = 2kΩ VID = −100mV 50 120
TA = –40°C to +125°C 150
IOUT Output Current VS = 32V ±40 ±125 mA
VS = 5V(1) ±35 ±85
TA = –40°C to +125°C ±20
VS = 2.7V(1) ±30 ±60
TA = –40°C to +125°C ±20
IS Supply Current (per channel) 1.35 1.93 mA
TA = –40°C to +125°C 2.23
SR Slew Rate AV = +1, VI = 10V Step 35 V/µs
fu Unity Gain Frequency RL = 2kΩ, CL = 20pF 11 MHz
GBW Gain Bandwidth f = 50kHz 24 MHz
en Input Referred Voltage Noise Density f = 2kHz 11.9 nV/√ H
in Input Referred Current Noise Density f = 2kHz 0.5 pA/√ H
THD+N Total Harmonic Distortion + Noise V+ = 1.9V, V− = −0.8V
f = 1kHz, RL = 100kΩ, AV = +2
VOUT = 210mVPP		 −113 dB
CT Rej. Crosstalk Rejection f = 100kHz, Driver RL = 10kΩ 60 dB
(1) Specified by characterization only.