ADC10080_14 Datasheet, PDF (4/24 Pages) Texas Instruments – 10-Bit, 80 MSPS, 3V, 78.6 mW A/D Converter

ADC10080
SNAS177G – MAY 2004 – REVISED FEBRUARY 2008
Pin No.
Symbol
Equivalent Circuit
22
V_DDIO
21
V_SSIO
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Description
Positive digital supply pins for the ADC10080's output drivers. This
pin should be bypassed to digital ground with a 0.1 µF monolithic
capacitor located within 1 cm of this pin. A 4.7 µF capacitor should
also be used in parallel. The voltage on this pin should never exceed
the voltage on V_DDA by more than 300 mV.
The ground return for the digital supply for the output drivers. This
pin should be connected to the ground plane, but not near the
analog circuitry.
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
Absolute Maximum Ratings ^{(1) (2)}
V_DDA, V_DDIO
Voltage on Any Pin to GND
Input Current on Any Pin
Package Input Current ⁽³⁾
Package Dissipation at T = 25°C
ESD Susceptibility
Human Body Model ⁽⁵⁾
Machine Model ⁽⁵⁾
Soldering Temperature Infrared, 10 sec. ⁽⁶⁾
Storage Temperature
3.9V
−0.3V to V_DDA or V_DDIO +0.3V
±25 mA
±50 mA
See ⁽⁴⁾
2500V
250V
235°C
−65°C to +150°C
(1) All voltages are measured with respect to GND = V_SSA = V_SSIO = 0V, unless otherwise specified.
(2) Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for
which the device is functional, but do not guarantee specific performance limits. For guaranteed specifications and test conditions, see
the Electrical Characteristics. The guaranteed specifications apply only for the test conditions listed. Some performance characteristics
may degrade when the device is not operated under the listed test conditions.
(3) When the voltage at any pin exceeds the power supplies (V_IN < V_SSA or V_IN > V_DDA), the current at that pin should be limited to 25 mA.
The 50 mA maximum package input current rating limits the number of pins that can safely exceed the power supplies with an input
current of 25 mA to two.
(4) The absolute maximum junction temperature (T_Jmax) for this device is 150°C. The maximum allowable power dissipation is dictated by
T_Jmax, the junction-to-ambient thermal resistance (θ_JA), and the ambient temperature (T_A), and can be calculated using the formula
P_DMAX = (T_Jmax − T_A)/θ_JA. In the 28-pin TSSOP, θ_JA is 96°C/W, so P_DMAX = 1,302 mW at 25°C and 677 mW at the maximum
operating ambient temperature of 85°C. Note that the power dissipation of this device under normal operation will typically be about 78.6
mW. The values for maximum power dissipation listed above will be reached only when the ADC10080 is operated in a severe fault
condition.
(5) Human body model is 100 pF capacitor discharged through a 1.5 kΩ resistor. Machine model is 220 pF discharged through 0Ω.
(6) The 235°C reflow temperature refers to infrared reflow. For Vapor Phase Reflow (VPR) the following conditions apply: Maintain the
temperature at the top of the package body above 183°C for a minimum of 60 seconds. The temperature measured on the package
body must not exceed 220°C. Only one excursion above 183°C is allowed per reflow cycle. The analog inputs are protected as shown
below. Input voltage magnitude up to 500 mV beyond the supply rails will not damage this device. However, input errors will be
generated if the input goes above V_DDA or V_DDIO and below V_SSA or V_SSIO.
Operating Ratings ^{(1) (2)}
Operating Temperature Range
V_DDA (Supply Voltage)
−40°C ≤ T_A ≤ +85°C
+2.7V to +3.6V
(1) Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for
which the device is functional, but do not guarantee specific performance limits. For guaranteed specifications and test conditions, see
the Electrical Characteristics. The guaranteed specifications apply only for the test conditions listed. Some performance characteristics
may degrade when the device is not operated under the listed test conditions.
(2) All voltages are measured with respect to GND = V_SSA = V_SSIO = 0V, unless otherwise specified.
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