TLC2578IDWR Datasheet, PDF (5/49 Pages) Texas Instruments – 5-V ANALOG 3-5V DIGITAL 14-12BIT 200-KSPS 4-8CHANNEL SERIAL ANALOG-TO-DIGITAL CONVERTERS WITH

TLC3574, TLC3578, TLC2574, TLC2578
5ĆV ANALOG, 3Ć/5ĆV DIGITAL, 14Ć/12ĆBIT, 200ĆKSPS, 4Ć/8ĆCHANNEL
SERIAL ANALOGĆTOĆDIGITAL CONVERTERS WITH ±10ĆV INPUTS
SLAS262C − OCTOBER 2000 − REVISED MAY 2003
absolute maximum ratings over operating free-air temperature (unless otherwise noted)^†
Supply voltage, GND to AV_DD and DV_DD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.3 V to 6.5 V
Analog input voltage range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −17 V to 17 V
Analog input current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 mA MAX
Reference input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AV_DD + 0.3 V
Digital input voltage range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.3 V to DV_DD + 0.3 V
Operating virtual junction temperature range, T_J . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −40°C to 150°C
Operating free-air temperature range, T_A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −40°C to 85°C
Storage temperature range, T_stg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −65°C to 150°C
Lead temperature 1,6 mm (1.16 inch) from case for 10 seconds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260°C
† _{Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and}
functional operation of the device at these or any other conditions beyond those indicated under electrical characteristics and timing
characteristics is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
general electrical characteristics over recommended operating free-air temperature range,
single-ended input, normal long sampling, 200 KSPS, AV_DD = 5 V, V_REFP = 4 V, V_REFM = 0 V,
SCLK frequency = 25 MHz, fixed channel at CONV mode 00, analog input signal source resistance
= 25 Ω (unless otherwise noted)
Digital Input
PARAMETER
VIH
High-level digital input voltage
VIL
Low-level digital input voltage
IIH
High-level digital input current
IIL
Low-level digital input current
Input capacitance
Digital Output
VOH
High-level digital output at 30 pF load
VOL
Low-level digital output at 30 pF load
IOZ
Off-state output current
(high-impedance state)
Power Supply
AVDD
DVDD
Supply voltage
AVDD current
ICC
Power supply cur-
rent
AlCC
DVDD current
DlCC
ICC
(autopwrdn):
Autopower-down power supply
current
Operating temperature
† _{All typical values are at TA = 25°C.}
TEST CONDITIONS
DVDD = 5 V
DVDD = 3 V
DVDD = 5 V
DVDD = 3 V
VI = DVDD
VI = DGND
Io = −0.2 mA
DVDD = 5 V
DVDD = 3 V
VO = DVDD
VO = DGND
DVDD = 5 V
DVDD = 3 V
Io = 0.8 mA
Io = 50 µA
Io = 0.8 mA
Io = 50 µA
CS = DVDD
Conversion clock is internal OSC,
AVDD = 5.5 V − 4.5 V, CS = DGND,
Excluding bipolar input biasing current
For all digital inputs = DVDD or DGND, _{SCLK OFF}
AVDD = 5.5 V, Excluding bipolar input
biasing current, external reference
SCLK ON
MIN TYP† MAX UNIT
3.8
2.1
0.005
−2.5 −0.005
20
V
0.8
V
0.6
2.5 µA
µA
25 pF
4.2
2.4
0.02
−1 0.02
V
0.4
0.1
V
0.4
0.1
1
µA
4.75
2.7
−40
5 5.5 V
5 5.5 V
4.2
5
mA
1.6 2.0
20
µA
175 230
85 °C
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