Datasheet

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ELECTRICAL CHARACTERISTICS
TLV5639C
TLV5639I
SLAS189C – MARCH 1999 – REVISED JANUARY 2004
over operating free-air temperature range (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
> 4.75 V 2.027 2.048 2.069 V
I
ref(source)
Output source current 1 mA
I
ref(sink)
Output sink current 1 mA
PSRR Power supply rejection ratio 48 dB
REFERENCE PIN CONFIGURED AS INPUT (REF)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
I
Input voltage 0 V
DD
- 1.5 V
R
I
Input resistance 10 MΩ
C
I
Input capacitance 5 pF
Fast 900
Reference input bandwidth REF = 0.2 V
pp
+ 1.024 V dc kHz
Slow 500
Fast 87
10 kHz dB
Slow 77
Harmonic distortion, reference REF = 1 V
pp
+ 2.048 V dc,
Fast 74
input V
DD
= 5 V
50 kHz dB
Slow 61
100 kHz Fast 66 dB
Reference feedthrough REF = 1 V
pp
at 1 kHz + 1.024 V 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
= 0 V 1 µA
C
i
Input capacitance 8 pF
5