Datasheet

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ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
ADS8507
SLAS381 – DECEMBER 2006
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.
PACKAGE/ORDERING INFORMATION
(1)
MINIMUM
NO MINIMUM SPECIFICATION
RELATIVE PACKAGE PACKAGE ORDERING TRANSPORT
PRODUCT MISSING SINAD TEMPERATURE
ACCURACY LEAD DESIGNATOR NUMBER MEDIA, QTY
CODE (dB) RANGE
(LSB)
ADS8507IBDW Tube, 20
ADS8507IB ±1.5 16 87 -40 °C to 85 °C SO-28 DW
ADS8507IBDWR Tape and Reel, 1000
ADS8507IDW Tube, 20
ADS8507I ±3 15 83 -40 °C to 85 °C SO-28 DW
ADS8507IDWR Tape and Reel, 1000
(1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI
website at www.ti.com.
over operating free-air temperature range (unless otherwise noted)
(1)
UNIT
R1
IN
±25 V
Analog inputs R2
IN
±25 V
REF +V
ANA
+ 0.3 V to AGND2 - 0.3 V
DGND, AGND2 ±0.3 V
V
ANA
6 V
Ground voltage differences
V
DIG
to V
ANA
0.3 V
V
DIG
6 V
Digital inputs -0.3 V to +V
DIG
+ 0.3 V
Maximum junction temperature 165 °C
Storage temperature range –65 ° C to 150 ° C
Internal power dissipation 700 mW
Lead temperature (soldering, 1.6 mm from case 10 seconds) 260 °C
(1) All voltage values are with respect to network ground terminal.
At T
A
= -40°C to 85°C, f
S
= 40 kHz, V
DIG
= V
ANA
= 5 V, and using internal reference and fixed resistors, (see Figure 43 )
unless otherwise specified.
ADS8507I ADS8507IB
PARAMETER TEST CONDITIONS UNIT
MIN TYP MAX MIN TYP MAX
Resolution 16 16 Bits
ANALOG INPUT
-10 10 -10 10
Voltage ranges See Table 1 0 5 0 5 V
0 4 0 4
Impedance
Capacitance 45 45 pF
THROUGHPUT SPEED
Conversion time 20 20 µs
Complete cycle Acquire and convert 25 25
Throughput rate 40 40 kHz
DC ACCURACY
INL Integral linearity error -3 3 -1.5 1.5 LSB
(1)
(1) LSB means Least Significant Bit. One LSB for the ±10 V input range is 305 µV.
2
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