Electrical characteristics (continued) – Rainbow Electronics MAX1329 User Manual
Page 7
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
1
pC
Input Capacitance
2
pF
OPERATIONAL AMPLIFIER (R
L
= 10k
Ω, 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
10k
Ω load
0.1
AV
DD
- 0.1
Output Voltage Range
100k
Ω 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