
C8051F040/1/2/3/4/5/6/7
Rev. 1.5
111
.
Table 8.1. DAC Electrical Characteristics
VDD = 3.0 V, AV+ = 3.0 V, VREF = 2.40 V (REFBE = 0), No Output Load unless otherwise specified.
Parameter
Conditions
Min
Typ
Max
Units
Static Performance
Resolution
12
bits
Integral Nonlinearity
—±2—
LSB
Differential Nonlinearity
—±1
LSB
Output Noise
No Output Filter
100 kHz Output Filter
10 kHz Output Filter
—
250
128
41
—
Vrms
Offset Error
Data Word = 0x014
—±3
±30
mV
Offset Tempco
—
6
—
ppm/°C
Full-Scale Error
—±20
±60
mV
Full-Scale Error Tempco
—
10
—
ppm/°C
VDD Power Supply Rejection
Ratio
—–60
—
dB
Output Impedance in Shutdown
Mode
DACnEN = 0
—100
—
k
Output Sink Current
—300
—
A
Output Short-Circuit Current
Data Word = 0xFFF
—15—
mA
Dynamic Performance
Voltage Output Slew Rate
Load = 40 pF
—0.44—
V/s
Output Settling Time to 1/2 LSB
Load = 40 pF, Output swing from
code 0xFFF to 0x014
—10—
s
Output Voltage Swing
0—
VREF
– LSB
V
Startup Time
—10—
s
Analog Outputs
Load Regulation
IL = 0.01 mA to 0.3 mA at code
0xFFF
—60—
ppm
Power Consumption (each DAC)
Power Supply Current (AV+
supplied to DAC)
Data Word = 0x7FF
—110
400
A