TLC3544 Datasheet, PDF (6/40 Pages) Texas Instruments – 5-V ANALOG, 3-/5-V DIGITAL, 14-BIT, 200-KSPS, 4-/8-CHANNELS SERIAL ANALOG-TO-DIGITAL CONVERTERS WITH 0-5 V (PSEUDODIFFERENTIAL) INPUTS

TLC3544, TLC3548
5-V ANALOG, 3-/5-V DIGITAL, 14-BIT, 200-KSPS, 4-/8-CHANNELS SERIAL
ANALOG-TO-DIGITAL CONVERTERS WITH 0-5 V (PSEUDODIFFERENTIAL) INPUTS
SLAS266C – OCTOBER 2000 – REVISED MAY 2003
general electrical characteristics over recommended operating free-air temperature range,
single-ended input, normal long sampling, 200 KSPS, AV_DD = 5 V, external reference (V_REFP = 4 V,
V_REFM = 0 V) or internal reference, SCLK frequency = 25 MHz, fixed channel at CONV mode 00,
analog input signal source resistance = 25 Ω (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP^† MAX UNIT
Digital Input
VIH
VIL
IIH
IIL
High-level control input voltage
Low-level control input voltage
High-level input current
Low-level input current
Input capacitance
DVDD = 5 V
DVDD = 3 V
DVDD = 5 V
DVDD = 3 V
VI = DVDD
VI = DGND
3.8
2.1
0.005
–2.5 0.005
20
V
0.8
V
0.6
2.5 µA
µA
25 pF
Digital output
VOH
High-level digital output,
VOH at 30-pF load
VOL
Low-level digital output,
VOL at 30-pF load
IOZ
Power Supply
Off-state output current
(high-impedance state)
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
4.2
2.4
0.02
–1 –0.02
V
0.4
0.1
V
0.4
0.1
1
µA
AVDD
DVDD
ICC
ICC(SW)
ICC(Autodown)
Supply voltage
Power supply
current
AVDD current-
AICC
DVDD current-
DICC
Softwarepower-dowpnowesrupplcyurrent
Autopower-down power supply
current
Conversion clock is internal OSC,
EXT. reference, AVDD = 5.5 V to 4.5 V,
CS = DGND
For all digital inputs DVDD or
DGND, CS = DVDD,
AVDD = 5.5 V
For all digital inputs DVDD or
DGND, AVDD = 5.5 V,
External reference
SCLK ON
SCLK OFF
SCLK ON
SCLK OFF
4.5
5 5.5 V
2.7
5 5.5 V
2.8 3.6
mA
1.2
2
175 240
µA
20
175 230
µA
20
Operating temperature
† _{All typical values are at TA = 25°C.}
C suffix
I suffix
0
70
–40
85 ^°C
6
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