WM2629
ELECTRICAL CHARACTERISTICS
Test Characteristics:
Over recommended operating conditions (unless noted otherwise).
PARAMETER
Static DAC Specifications
Resolution
Integral non-linearity
Differential non-linearity
Zero code error
Gain error
DC power supply rejection ratio
Zero code error temperature
coefficient
Gain error temperature coefficient
DAC Output Specifications
Output voltage range
Output load regulation
Power Supplies
Active supply current
IDD
No load, V
IH
=DVDD, V
IL
=0V
AVDD = DVDD = 5V,
V
REF
= 2.048V
Slow
Fast
See Note 8
No load, all inputs 0V
or DVDD
DAC code 10%-90%
Load = 10kΩ, 100pF
Fast
Slow
See Note 9
DAC code 10%-90%
Load = 10kΩ, 100pF
Fast
Slow
See Note 10
Code 127 to code 128
10kHz sine wave, 4V pk-pk
10kΩ Load
2kΩ to 10kΩ load
See Note 7
0
INL
DNL
ZCE
GE
PSRR
Code 6 to 255 (see Note 1)
Code 6 to 255 (see Note 2)
See Note 3
See Note 4
See Note 5
See Note 6
See Note 6
-60
30
10
8
±0.3
±0.1
±1
±1
±30
±0.6
SYMBOL
TEST
CONDITIONS
MIN
TYP
MAX
Production Data
UNIT
bits
LSB
LSB
mV
% FSR
dB
µV/°C
ppm/°C
AVDD-0.4
±0.3
V
% Full
Scale
6
16
0.1
8
21
mA
mA
µA
Power down supply current
Dynamic DAC Specifications
Slew rate
4
1
10
3
V/µs
V/µs
Settling time
1
3
4
-90
3
7
µs
µs
nV-s
dB
Glitch energy
Channel Crosstalk
Reference Input
Reference input resistance
Reference input capacitance
Reference feedthrough
Reference input bandwidth
R
REF
C
REF
100
5
V
REF
=2V
PP
at 1kHz
+ 2.048V DC, DAC code 0
V
REF
= 0.4V
PP
+ 2.048V DC,
DAC code 128
Slow
Fast
-84
kΩ
pF
dB
1.9
2.2
MHz
MHz
WOLFSON MICROELECTRONICS LTD
PD Rev 1.0 April 2001
4
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
