TLC5540
SLAS105D JANUARY 1995 REVISED APRIL 2004
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3
Terminal Functions
TERMINAL
I/O
DESCRIPTION
NAME
NO.
I/O
DESCRIPTION
AGND
20, 21
Analog ground
ANALOG IN
19
I
Analog input
CLK
12
I
Clock input
DGND
2, 24
Digital ground
D1 D8
310
O
Digital data out. D1:LSB, D8:MSB
OE
1
I
Output enable. When OE = L, data is enabled. When OE = H, D1D8 is high impedance.
VDDA
14, 15, 18
Analog VDD
VDDD
11, 13
Digital VDD
REFB
23
I
ADC reference voltage in (bottom)
REFBS
22
Reference voltage (bottom). When using the internal voltage divider to generate a nominal 2-V reference, the
REFBS terminal is shorted to the REFB terminal and the REFTS terminal is shorted to the REFT terminal (see
Figure 13 and Figure 14).
REFT
17
I
Reference voltage in (top)
REFTS
16
Reference voltage (top). When using the internal voltage divider to generate a nominal 2-V reference, the
REFTS terminal is shorted to the REFT terminal and the REFBS terminal is shorted to the REFB terminal (see
Figure 13 and Figure 14).
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, VDDA, VDDD
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reference voltage input range, VI(REFT), VI(REFB), VI(REFBS), VI(REFTS)
AGND to VDDA
. . . . . . . . . . . . . . . .
Analog input voltage range, VI(ANLG)
AGND to VDDA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Digital input voltage range, VI(DGTL)
DGND to VDDD
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Digital output voltage range, VO(DGTL)
DGND to VDDD
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range, TA: TLC5540C
0
°C to 70°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TLC5540I
40
°C to 85°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, Tstg
55
°C to 150°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 “recommended operating conditions” is not implied.
Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.