MAX1329 Datasheet, PDF (6/78 Pages) Maxim Integrated Products – 12-/16-Bit DASs with ADC, DACs, DPIOs, APIOs, Reference, Voltage Monitors, and Temp Sensor

12-/16-Bit DASs with ADC, DACs, DPIOs, APIOs,
Reference, Voltage Monitors, and Temp Sensor
ELECTRICAL CHARACTERISTICS (continued)
(DV_DD = 1.8V to 3.6V, AV_DD = 2.7V to 5.5V, V_REFDAC = V_REFADC = 2.5V, external reference; 10µF capacitor at REFADC and REFDAC;
0.01µF capacitor at REFADJ; T_A = T_MIN to T_MAX, unless otherwise noted. Typical values are at T_A = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
Temperature Resolution
External-Diode Drive Ratio
Temperature-Sensor Supply
Current
V_REFADC = 2.5V
I_DRIVEMIN = 4µA, I_DRIVEMAX = 68µA
Not including ADC current (Note 3)
Temperature-Sensor Conversion
Time
307 clocks per measurement, master clock
= 5.00MHz
CHARGE PUMP
Input Voltage
No-Load Output Voltage
Output Current
No-Load Supply Current
Switching Frequency
Switch Turn-On/-Off Time
Switch Impedance
Efficiency
DV_DD
AV_DD
DV_DD = 1.8V to 3.0V, VM2CP<2:0> = 001
DV_DD = 2.2V to 3.6V, VM2CP<2:0> = 010
DV_DD = 2.7V to 3.6V, VM2CP<2:0> = 011
Including internal current (Table 32)
DV_DD = 2.7V, AV_DD = 4V, 39kHz clock
Between DV_DD to AV_DD, charge pump off
Shorts DV_DD to AV_DD, charge pump off
25mA load, DV_DD = 1.8V, AV_DD = 3.0V,
39kHz clock
DV_DD VOLTAGE MONITOR (VM1)
Supply Voltage Range
Trip Threshold (DV_DD Falling)
V_DTH
Hysteresis
V_DHYS
Reset Timeout Period
Turn-On Time
AV_DD VOLTAGE MONITOR (VM2)
Supply Voltage Range
Trip Threshold (AV_DD Falling)
(Note 6)
V_ATH
Hysteresis
V_AHYS
VM1<1:0> = 0x, RST1 input
VM1<1:0> = x0, RST2 input
VM1<1:0> = 0x, RST1 input
VM1<1:0> = x0, RST2 input
V_DVDD = V_DTH + V_DHYS
DV_DD = 1.8V, enabled by VM1 <1:0>
VM2CP<1:0> = 01
VM2CP<1:0> = 10
VM2CP<1:0> = 11
VM2CP<1:0> = 01
VM2CP<1:0> = 10
VM2CP<1:0> = 11
MIN
1.8
2.85
3.75
4.80
25
39
1.0
1.80
2.65
1.0
2.53
3.4
4.25
TYP MAX UNITS
1/8
°C/LSB
17:1
100
µA
65
µs
3.6
V
3.0
3.20
4.0
4.30
V
5.0
5.40
mA
250
µA
78
kHz
40
ns
25
50
Ω
80
%
3.6
V
1.865 1.93
V
2.750 2.90
15
mV
22.5
170
ms
2
ms
5.5
V
2.775 2.975
3.700 3.925
V
4.625 4.925
22.5
30
mV
37.5
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