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ELECTRICAL CHARACTERISTICS (Continued)
TLV5637
SLAS224C – JUNE 1999 – REVISED JUNE 2007
over recommended operating conditions (unless otherwise noted)
REFERENCE PIN CONFIGURED AS OUTPUT (REF)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
ref(OUTL)
Low reference voltage 1.003 1.024 1.045 V
V
ref(OUTH)
High reference voltage V
DD
> 4.75V 2.027 2.048 2.069 V
I
ref(source)
Output source current 1 mA
I
ref(sink)
Output sink current 1 mA
Load capacitance 100 pF
PSRR Power supply rejection ratio 65 dB
REFERENCE PIN CONFIGURED AS INPUT (REF)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
DD
–1.
V
I
Input voltage 0 V
5
R
I
Input resistance 10 M Ω
C
I
Input capacitance 5 pF
Fast 1.3 MHz
Reference input bandwidth REF = 0.2V
PP
+ 1.024V dc
Slow 525 kHz
Reference feedthrough REF = 1V
PP
at 1 kHz + 1.024V dc, See
(1)
80 dB
(1) Reference feedthrough is measured at the DAC output with an input code = 0x000.
DIGITAL INPUTS
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
I
IH
High-level digital input current V
I
= V
DD
1 µA
I
IL
Low-level digital input current V
I
= 0V 1 µA
C
i
Input capacitance 8 pF
5
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