Datasheet

MAX1329/MAX1330
12-/16-Bit DASs with ADC, DACs, DPIOs, APIOs,
Reference, Voltage Monitors, and Temp Sensor
_______________________________________________________________________________________ 7
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 MIN TYP MAX UNITS
Turn-On Time AV
DD
= 2.7V, enabled by VM2CP<1:0> 2 ms
INTERNAL OSCILLATOR
Clock Frequency T
A
= T
MIN
to T
MAX
3.5758 3.6864 3.7970 MHz
Turn-Off Delay Using clock at CLKIO pin, ODLY = 1 1024 Clocks
Turn-On Time 200 ns
Supply Current (Note 7) 120 µA
SWITCHES (SPDT)
AV
DD
= 2.7V to 5.5V 140 200
On Resistance
AV
DD
= 4.5V to 5.5V 90 120
Ω
On-Resistance Match 15 Ω
On-Resistance Flatness Over analog voltage range 12 Ω
Analog Voltage Range AGND AV
DD
V
Turn-On/-Off Time Break-before-make for SPDT configuration 50 ns
Leakage Current
AGND + 100mV < V
SN_
< AV
DD
- 100mV
(Note 2)
0.08 ±1 nA
Off Isolation f = 10kHz 100 dB
Charge Injection 1pC
Input Capacitance 2pF
OPERATIONAL AMPLIFIER (R
L
= 10kΩ, C
L
= 200pF)
Input Bias Current (Note 2) 0.3 ±1 nA
Input Offset Voltage V
OS
2 ±20 mV
Input Offset Drift ∆V
OS
±10 µV/°C
Common-Mode Rejection Ratio CMRR AGND + 100mV < V
CM
< AV
DD
- 100mV 75 dB
Phase Margin 60 degrees
Charge-Pump Output
Feedthrough
100 µV
P-P
Common-Mode Input Voltage
Range
AGND AV
DD
V
No load AGND AV
DD
10kΩ load 0.1
AV
DD
- 0.1
Output Voltage Range
100kΩ load 0.1
AV
DD
- 0.1
V
Gain Bandwidth Product 1 MHz
Slew Rate 0.5 V/µs
AV
DD
= 2.7V to 5.5V 140 200
OSW_ Switch Resistance
AV
DD
= 4.5V to 5.5V 90 120
Ω
OSW_ Switch Turn-On/-Off Time 50 ns