Datasheet
Data Sheet ADA4940-1/ADA4940-2
Rev. C | Page 3 of 32
REVISION HISTORY
9/13—Rev. B to Rev. C
Updated Outline Dimensions ........................................................ 30
Changes to Ordering Guide ........................................................... 31
3/12—Rev. A to Rev. B
Reorganized Layout ........................................................... Universal
Added ADA4940-1 8-Lead SOIC Package ..................... Universal
Changes to Features Section, Table 1, and Figure 1; Replaced
Figure 2 ............................................................................................... 1
Changed V
S
= ±2 V(or +5 V) Section to V
S
= +5 V
Section ................................................................................................ 3
Changes to V
S
= +5 V Section and Table 3 .................................... 3
Changes to Table 4 and Table 5 ....................................................... 4
Changes to V
S
= 3 V Section and Table 6 ....................................... 5
Changes to Table 7 and Table 8 ....................................................... 6
Added Figure 5 and Table 12, Renumbered Sequentially ............ 9
Changes to Figure 7, Figure 8, and Figure 9 ................................ 10
Added Figure 15 and Figure 18; Changes to Figure 13,
Figure 14, and Figure 16 ................................................................. 11
Changes to Figure 19 and Figure 20 ............................................. 12
Changes to Figure 25, Figure 26, and Figure 27; Added
Figure 28, Figure 29, and Figure 30 .............................................. 13
Changes to Figure 31, Figure 32, Figure 33, Figure 34, Figure 35,
and Figure 36 ................................................................................... 14
Changes to Figure 37, Figure38, Figure 39, and Figure 41 ........ 15
Changes to Figure 49, Figure 50, and Figure 51 .......................... 17
Added Figure 55 and Figure 57 ..................................................... 18
Changes to Differential V
OS
, Differential CMRR, and V
OCM
CMRR Section ................................................................................. 20
Changes to Calculating the Input Impedance of an Application
Circuit Section ................................................................................. 23
Changes to Figure 71 ...................................................................... 25
Changes to Driving a High Precision ADC Section
and Figure 73 ................................................................................... 26
Changed ADA4940-1 Example Section to ADA4940-1 LFCSP
Example Section .............................................................................. 27
Changes to Ordering Guide ........................................................... 29
12/11—Rev. 0 to Rev. A
Changes to Features Section, General Description
Section, Table 1 .................................................................................. 1
Replaced Figure 1 and Figure 2 ....................................................... 1
Changes to V
S
= ±2.5 V (or +5 V) Section and Table 3 ............... 3
Changes to Table 6 ............................................................................ 5
Replaced Figure 7, Figure 8, Figure 9, and Figure 10 ................... 9
Replaced Figure 14, Figure 15, and Figure 17 ............................. 10
Replaced Figure 24 and Figure 27 ................................................. 12
Changes to Figure 37 ...................................................................... 14
Replaced Figure 43 and Figure 46 ................................................. 15
Replaced Figure 53 .......................................................................... 18
Changes to Estimating the Output Noise Voltage Section, Table
14, Table 15, and Calculating the Input Impedance of an
Application Circuit Section ........................................................... 21
Changes to Input Common-Mode Voltage Range Section ....... 22
Changes to Driving a High Precision ADC Section and
Figure 65 ........................................................................................... 24
10/11—Revision 0: Initial Version