Datasheet

MAX1169
58.6ksps, 16-Bit, 2-Wire Serial ADC
in a 14-Pin TSSOP
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(V
AV
DD
= +4.75V to +5.25V, V
DV
DD
= +2.7V to +5.5V, f
SCL
= 1.7MHz (33% duty cycle), f
SAMPLE
= 58.6ksps, V
REF
= +4.096V, external
reference applied to REF, REFADJ = AVDD, C
REF
= 10µF, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Fast mode 100
Aperture Jitter, Figure 11c t
AJ
High-speed mode 100
ps
ANALOG INPUT (AIN)
Input Voltage Range V
AIN
0 V
REF
V
Input Leakage Current
On/off-leakage current, V
AIN
= 0V or V
AVDD
,
no clock, f
SCL
= 0
±0.01 ±10 μA
Input Capacitance C
IN
35 pF
INTERNAL REFERENCE (bypass REFADJ with 0.1μF to AGND and REF with 10μF to AGND)
REF Output Voltage V
REF
4.056 4.096 4.136 V
Reference Temperature
Coefficient
TC
REF
T
A
= -40°C to +85°C ±35 ppm/°C
Reference Short-Circuit Current I
REFSC
10 mA
REFADJ Output Voltage 4.056 4.096 4.136 V
REFADJ Input Range For small adjustments, from 4.096V ±60 mV
EXTERNAL REFERENCE (REFADJ = AVDD)
REFADJ Buffer Disable Voltage
Pull REFADJ high to disable the internal
bandgap reference and reference buffer
V
AVDD
- 0.1
V
REFADJ Buffer Enable Voltage
V
AVDD
- 0.4
V
Reference Input Voltage Range
(Note 7) 1.0 V
AVDD
V
V
REF
= +4.096V, V
IN
= V
REF(P-P)
,
f
IN(sine wave)
= 1kHz, f
SAMPLE
= 58.6ksps
27
REF Input Current I
REF
V
REF
= +4.096V, shutdown 0.1
μA
DIGITAL INPUTS/OUTPUTS (SCL, SDA)
Input High Voltage V
IH
0.7 
V
DVDD
V
Input Low Voltage V
IL
0.3 
V
DVDD
V
Input Hysteresis V
HYST
0.1 
V
DVDD
V
Input Current I
IN
±10 μA
Input Capacitance C
IN
15 pF
Output Low Voltage V
OL
I
SINK
= 3mA 0.4 V
ADDRESS SELECT INPUTS (ADD3, ADD2, ADD1, ADD0)
Input High Voltage
0.7 
V
DVDD
V
Input Low Voltage
0.3 
V
DVDD
V
Input Hysteresis
0.1 
V
DVDD
V