TLC7225 Datasheet, PDF (5/22 Pages) Texas Instruments – QUADRUPLE 8-BIT DIGITAL-TO-ANALOG CONVERTERS

TLC7225C, TLC7225I
QUADRUPLE 8-BIT DIGITAL-TO-ANALOG CONVERTERS
SLAS109B – OCTOBER 1996 – REVISED FEBRUARY 2001
electrical characteristics over recommended operating free-air temperature range
reference inputs (all supply ranges)
PARAMETER
ri
Input resistance, REFA, REFB, REFC, REFD
Ci
Input capacitance, REFA, REFB, REFC, REFD
Channel-to-channel isolation
AC feedthrough
TEST CONDITIONS
DAC loaded with all 1s
DAC loaded with all 0s
Vref = 10 Vpp sine wave at 10 kHz
MIN TYP MAX UNIT
1.5
4
kΩ
300 pF
65
pF
60
dB
70
dB
dual power supply over recommended supply and reference voltage ranges, AGND = DGND = 0 V (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNIT
II
Input current, digital
IDD
Supply current, VDD
ISS
Supply current, VSS
Power supply sensitivity
Ci
Input capacitance
Digital inputs
VI = 0 or VDD
VI = VIL or VIH,
VI = VIL or VIH,
∆VDD = ± 5%
No load
No load
± 1 µA
10
16 mA
4
10 mA
0.01 %/%
8 pF
single power supply, V_DD = 14.25 V to 15.75 V, V_SS = AGND = DGND = 0 V, V_ref (A, B, C, D) = 10 V
PARAMETER
TEST CONDITIONS
MIN TYP MAX
II
Input current, digital
VI = 0 or VDD
±1
IDD
Supply current, VDD
Power supply sensitivity
Ci
Input capacitance
Digital inputs
VI = VIL or VIH, No load
∆VDD = ± 5%
5
13
0.01
8
UNIT
µA
mA
%/%
pF
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