Edge6420
HIGH-PERFORMANCE PRODUCTS – ATE
Revision History
Current Revision: August 3, 2001
Previous Revision: June 28, 2001
Page #
Section Name
Previous Revision
Current Revision
All
Target
Preliminary
DAC Current Output
Overview & Offset
7
Add: Equation numbers
8
Offset
The offset for each current ...
The typical offset for each current ...
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Table 8
Channels 11, 12
Resolution: 0.159 nA
Channels 11, 12
Resolution: 159 nA
Delete: Note 2
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Application Information
change 100 pF to 1 nF
Current Outputs, last sentence: ... it is
recommended that 100 pF be used.
... it is recommended that 1 nF be used.
Temperature Coefficient
Effect on DACs
Add: Last paragraph, "Contact Semtech for a summary of
.
equations to derive TC
and TC
OFFSET
GAIN
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6420ABG Package
Note 3
Delete: all but "f0.30 mm"
Delete: Notes 1 & 2
Add: New Notes 1 and 4, renumber remaining notes
Recommended
Operating Conditions
Reference Voltage, Min: 2.475, Typ: 2.50000, Max: Reference Voltage, Typ: 2.500, delete Min & Max values
2.525
Digital Power Supply, Min: 4.85, Max: 5.15
Digital Power Supply, Min: 3.00, Max: 5.50
Thermal Resistance of Package, Typ: TBD,
Units: ˚ C
Thermal Resistance of Package (measured at top-center
of package), Typ: 3, Units: ˚ C/W
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Ab Max Ratings
Digital Input Voltages
Gain TempCo, Typ: –.0012
Add: "SDI, TEST_MODE" to Symbols
Gain TempCo (Notes 3, 6), Typ: –.000285
Offset Tempco, Typ: –288, –72, + 145, + 231
DC Characteristics
Offset Tempco, Typ: –200, 0, + 236, + 324
Integral Linearity Error with 2 Point Calibration, Max:
± 2
Integral Linearity Error with 2 Point Calibration,
Max: ± 3
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DC Characteristics
DC Characteristics
Gain TempCo, Typ: –.0015
Gain TempCo (Notes 3, 6), Typ: –.000447
Offset TempCo, Typ: –250, –77, + 132, + 166
Offset TempCo, Typ: –200, 0, TBD, + 325
Group E
Gain TempCo, Typ: –.0018
Offset TempCo, Typ: TBD,
Groups E
Gain TempCo (Notes 3, 6), Typ: –.00129
Offset TempCo, Typ: ± 100
Group F
Gain Tempco
Offset TempCo, Typ: TBD
Group F
Gain Tempco (Notes 3, 6)
Offset TempCo, Typ: ± 23
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DC Charcteristics
Digital Supply, Typ: TBD, Max: TBD
Digital Supply, Typ: 2, Max: 10
Power Supply Rejection Ratio
1 MHz, Typ: TBD
500 kHz, Typ: TBD
Power Supply Rejection Ratio
5 MHz, Typ: –65
1 MHz, Typ: –45
100 kHz, Typ: TBD
100 kHz, Typ: –50
Add: Power Supply – DC Sensitivity
DC Charcteristics
(Notes)
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VREF = 2.50000V
VREF = 2.50V
AC Characteristics
Fmax at DVDD = 3.3V (Note 4)
Fmax at DVDD = 5.0V (Note 1)
Fmax at DVDD = 3.3V ± .30V (Note 1)
Fmax at DVDD = 5.0V ± .50V (Note 4)
Full Scale Step, 0 to 10V
Load: 10 nF, Max: TBD, Load: 100 nF, Max: TBD,
Units: ms
Full Scale Step, 10V
Load: 10 nF, Max: 70, Load: 100 nF, Max: 700, Units:
µs
Full Scale Step, 0 to 17V, Load: 100 nF, Units: µS
Full Scale Step, 17V, Load: 100 nF, Units: ms
Delete: Power Supply Sensitivity
Note 4: tested at 33 MHz only ...
Note 4: tested at 55 MHz only; delete last sentence
2000 Semtech Corp.
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www .semtech.com
SEMTECH [ SEMTECH CORPORATION ]
