MAX1136_09 Datasheet, PDF (4/22 Pages) Maxim Integrated Products – 2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial 10-Bit ADCs

2.7V to 3.6V and 4.5V to 5.5V, Low-Power,
4-/12-Channel, 2-Wire Serial 10-Bit ADCs
ELECTRICAL CHARACTERISTICS (continued)
(V_DD = 2.7V to 3.6V (MAX1137/MAX1139), V_DD = 4.5V to 5.5V (MAX1136/MAX1138), V_REF = 2.048V (MAX1137/MAX1139), V_REF =
4.096V (MAX1136/MAX1138), f_SCL = 1.7MHz, T_A = T_MIN to T_MAX, unless otherwise noted. Typical values are at T_A = +25°C. See
Tables 1–5 for programming notation.)
PARAMETER
POWER REQUIREMENTS
Power-Supply Rejection Ratio
SYMBOL
CONDITIONS
PSRR Full-scale input (Note 9)
MIN TYP MAX UNITS
±0.01 ±0.5 LSB/V
TIMING CHARACTERISTICS (Figure 1)
(V_DD = 2.7V to 3.6V (MAX1137/MAX1139), V_DD = 4.5V to 5.5V (MAX1136/MAX1138), V_REF = 2.048V (MAX1137/MAX1139), V_REF =
4.096V (MAX1136/MAX1138), f_SCL = 1.7MHz, T_A = T_MIN to T_MAX, unless otherwise noted. Typical values are at T_A = +25°C. See
Tables 1–5 for programming notation.)
PARAMETER
SYMBOL
TIMING CHARACTERISTICS FOR FAST MODE
Serial Clock Frequency
f_SCL
Bus Free Time Between a
STOP (P) and a
START (S) Condition
t_BUF
CONDITIONS
MIN TYP MAX UNITS
400 kHz
1.3
µs
Hold Time for START (S) Condition
Low Period of the SCL Clock
High Period of the SCL Clock
t_{HD, STA}
t_LOW
t_HIGH
Setup Time for a Repeated START
Condition (Sr)
t_{SU, STA}
Data Hold Time
Data Setup Time
t_{HD, DAT} (Note 10)
t_{SU, DAT}
Rise Time of Both SDA and SCL
Signals, Receiving
t_R
Measured from 0.3V_DD to 0.7V_DD
Fall Time of SDA Transmitting
t_F
Measured from 0.3V_DD to 0.7V_DD (Note 11)
Setup Time for STOP (P) Condition t_{SU, STO}
Capacitive Load for Each Bus Line C_B
Pulse Width of Spike Suppressed
t_SP
TIMING CHARACTERISTICS FOR HIGH-SPEED MODE (C_B = 400pF, Note 12)
Serial Clock Frequency
f_SCLH (Note 13)
Hold Time, Repeated START
Condition (Sr)
t_{HD, STA}
Low Period of the SCL Clock
High Period of the SCL Clock
t_LOW
t_HIGH
Setup Time for a Repeated START
Condition (Sr)
t_SU, _STA
Data Hold Time
Data Setup Time
t_HD, _DAT (Note 10)
t_SU, _DAT
0.6
1.3
0.6
0.6
0
100
20 + 0.1C_B
20 + 0.1C_B
0.6
160
320
120
160
0
10
µs
µs
µs
µs
900
ns
ns
300
ns
300
ns
µs
400
pF
50
ns
1.7 MHz
ns
ns
ns
ns
150
ns
ns
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