MAX1169_10 Datasheet, PDF (4/20 Pages) Maxim Integrated Products – 58.6ksps, 16-Bit, 2-Wire Serial ADC in a 14-Pin TSSOP

58.6ksps, 16-Bit, 2-Wire Serial ADC
in a 14-Pin TSSOP
ELECTRICAL CHARACTERISTICS (continued)
(V_AVDD = +4.75V to +5.25V, V_DVDD = +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
Input Current
Input Capacitance
POWER REQUIREMENTS (AVDD, AGND, DVDD, DGND)
Analog Supply Voltage
AVDD
Digital Supply Voltage
DVDD
Internal reference
(powered down
between conversions,
R/W = 0)
f_SAMPLE = 58.6ksps
f_SAMPLE = 10ksps
f_SAMPLE = 1ksps
Shutdown
f_SAMPLE = 58.6ksps
Analog Supply Current
I_AVDD
Internal reference
f_SAMPLE = 10ksps
(always on, R/W = 1) _{fSAMPLE = 1ksps}
Shutdown
f_SAMPLE = 58.6ksps
External reference
(REFADJ = AVDD)
f_SAMPLE = 10ksps
f_SAMPLE = 1ksps
Shutdown
f_SAMPLE = 58.6ksps
Digital Supply Current
I_DVDD
f_SAMPLE = 10ksps
f_SAMPLE = 1ksps
Shutdown
Power-Supply Rejection Ratio
PSRR V_AVDD = 5V ±5%, full-scale input (Note 8)
TIMING CHARACTERISTICS FOR 2-WIRE FAST MODE (Figure 1a and Figure 2)
Serial Clock Frequency
f_SCL
Bus Free Time Between a STOP
and a START Condition
t_BUF
MIN
4.75
2.7
1.3
TYP
15
MAX
±10
UNITS
μA
pf
1.8
0.7
40
0.4
1.8
1.4
1.1
0.4
0.90
0.36
40
0.4
260
65
6
0.2
5
5.25
V
5.5
V
2.5
mA
μA
5
2.5
mA
μA
5
1.8
mA
μA
5
400
μA
5
16 LSB/V
400
kHz
μs
Hold Time for Start Condition
Low Period of the SCL Clock
High Period of the SCL Clock
Setup Time for a Repeated
START Condition (Sr)
t_{HD, STA}
t_LOW
t_HIGH
t_{SU, STA}
0.6
μs
1.3
μs
0.6
μs
0.6
μs
Data Hold Time
Data Setup Time
Rise Time of Both SDA and SCL
Signals, Receiving
t_{HD, DAT}
t_{SU, DAT}
(Note 9)
t_R
(Note 10)
0
100
20 + 0.1C_B
900
ns
ns
300
ns
Fall Time of SDA Transmitting
Setup Time for STOP Condition
Capacitive Load for Each Bus
Pulse Width of Spike Suppressed
t_F
t_{SU, STO}
C_B
t_SP
(Note 10)
20 + 0.1C_B
0.6
300
ns
μs
400
pF
50
ns
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