WM2633
Production Data
ELECTRICAL CHARACTERISTICS
Test Characteristics:
RL = 10kΩ, CL = 100pF AVDD = DVDD = 5V ± 10%, VREF = 2.048V and AVDD = DVDD = 3V ± 10%, VREF = 1.024V over
recommended operating free-air temperature range (unless noted otherwise).
TEST
PARAMETER
SYMBOL
MIN
TYP
MAX
UNIT
CONDITIONS
Static DAC Specifications
Resolution
12
bits
LSB
Integral non-linearity
Differential non-linearity
Zero code error
INL
DNL
See Note 1
See Note 2
See Note 3
See Note 4
See Note 5
See Note 6
±1.2
±0.3
±3
±0.5
12
LSB
ZCE
mV
Gain error
GE
% FSR
mV/V
ppm/°C
±0.3
D.c power supply rejection ratio
d.c. PSRR
0.5
20
Zero code error temperature
coefficient
Gain error temperature coefficient
DAC Output Specifications
Output voltage range
See Note 6
20
ppm/°C
0
AVDD-
0.4
V
Output load regulation
2kΩ to 10kΩ load
0.1
0.3
%
See Note 7
Power Supplies
Active supply current
IDD
No load, VIH=DVDD, VIL=0V
AVDD = DVDD = 5V, VREF
2.048V, Internal
=
Slow
Fast
1.3
2.3
1.6
2.8
mA
mA
AVDD = DVDD = 5V
V
REF = 2.048V, External
Slow
Fast
0.9
1.9
1.2
2.4
mA
mA
AVDD = DVDD = 3V, VREF
1.024V, Internal
=
Slow
Fast
1.2
2.1
1.5
2.6
mA
mA
AVDD = DVDD = 3V,
V
REF = 1.024V, External
Slow
Fast
0.9
1.8
1.1
2.3
mA
mA
See Note 8
Power down supply current
No load, all inputs 0V
or DVDD
0.01
1
µA
See Note 9
Dynamic DAC Specifications
Slew rate
DAC code 32-4095,
10%-90%
Slow
Fast
1.2
6
1.7
10
V/µs
V/µs
See Note 10
DAC code 32-4095
Slow
Settling time
3.5
1
µs
µs
Fast
See Note 11
WOLFSON MICROELECTRONICS LTD
PD Rev 1.0 July 1999
4
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
