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TC500ACOE View Datasheet(PDF) - TelCom Semiconductor, Inc

Part Name
Description
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TC500ACOE
TELCOM
TelCom Semiconductor, Inc TELCOM
TC500ACOE Datasheet PDF : 17 Pages
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TC500
TC500A
TC510
TC514
PRECISION ANALOG FRONT ENDS
GENERAL DESCRIPTION (Cont.)
tains this state until a transition occurs on the CMPTR output,
at which time the processor halts its timer. The resulting
timer count is the converted analog data. Integrator Zero
(the final phase of conversion) removes any residue remain-
ing in the integrator in preparation for the next
conversion.
The TC500/500A/510/514 offer high resolution (up to 17
bits) superior 50Hz/60Hz noise rejection, low power opera-
tion, minimum I/O connections, low input bias currents and
lower cost compared to other converter technologies having
similar conversion speeds.
ABSOLUTE MAXIMUM RATINGS*
TC510/514 Positive Supply Voltage
(VDD to GND) .................................................. +10.5V
TC500/500A Supply Voltage
(VDD to VSS) ....................................................... +18V
TC500/500A Positive Supply Voltage
(VDD to GND) ..................................................... +12V
TC500/500A Negative Supply Voltage
(VSS to GND) ...................................................... – 8V
Analog Input Voltage (V+IN or V_IN) .................... VDD to VSS
Logic Input Voltage .................. VDD +0.3V to GND – 0.3V
Voltage on OSC ..... – 0.3V to (VDD +0.3V) for VDD < 5.5V
Ambient Operating Temperature Range ...... 0°C to +70°C
Storage Temperature Range ................ – 65°C to +150°C
Lead Temperature (Soldering, 10 sec) ................. +300°C
* Static-sensitive device. Unused devices must be stored in conductive
material. Protect devices from static discharge and static fields. Stresses
above those listed under "Absolute Maximum Ratings" may cause perma-
nent damage to the device. These are stress ratings only and functional
operation of the device at these or any other conditions above those
indicated in the operation sections of the specifications is not implied.
Exposure to absolute maximum rating conditions for extended periods may
affect device reliability.
ELECTRICAL CHARACTERISTICS: TC510/514: VDD = +5V, TC500/500A: VS = ±5V unless otherwise
specified. CAZ = CREF = 0.47 µF
TA = +25°C
TA = 0°C to +70°C
Symbol Parameter
Test Conditions
Min Typ Max Min Typ Max Unit
Analog
ZSE
ENL
NL
ZSTC
SYE
FSTC
IIN
VCMR
VREF
Resolution
Note 1
60
Zero-Scale Error
TC500/510/514
with Auto Zero Phase TC500A
End Point Linearity
TC500/510/514, Notes 1, 2, —
TC500A
Best Case Straight
Line Linearity
TC500/510/514, Notes 1, 2, —
TC500A
Zero-Scale
Temperature
Coefficient
Over Operating
Temperature Range
Full-Scale Symmetry
Note 3
Error (Roll-Over Error)
Full-Scale Temperature Over Operating
Coefficient
Temperature Range
External Reference
TC = 0ppm/°C
Input Current
Common-Mode
Voltage Range
VIN = 0V
VSS +1.5
Integrator Output Swing
Analog Input Signal Range ACOM = GND = 0V
Voltage Reference Range V_REF V+REF
VSS +0.9
VSS +1.5
VSS +1
0.005
0.003
0.005
0.003
0.015
0.010
0.008
0.005
µV
— 0.005 0.012 % F.S.
— 0.003 0.009
— 0.015 0.060 % F.S.
— 0.010 0.045 % F.S.
— % F.S.
— % F.S.
1
2 µV/°C
0.01
0.03
— % F.S.
10
— ppm/°C
6
pA
— VDD – 1.5 VSS +1.5 — VDD – 1.5 V
— VDD – 0.9 VSS +0.9 — VSS +0.9 V
— VDD – 1.5 VSS +1.5 — VSS +1.5 V
— VDD – 1 VSS +1 — VDD – 1 V
3-20
TELCOM SEMICONDUCTOR, INC.
 

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