WM2613
Production Data Rev 1.0
ELECTRICAL CHARACTERISTICS
Test Conditions:
RL = 10kW, 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
±1.5
±0.4
3
±4
±1
LSB
ZCE
mV
±20
±0.5
Gain error
GE
% FSR
mV/V
ppm/°C
±0.25
0.5
D.c power supply rejection ratio
d.c. PSRR
Zero code error temperature
coefficient
3
Gain error temperature coefficient
DAC Output Specifications
Output voltage range
See Note 6
1
ppm/°C
0
AVDD - 0.4
0.3
V
Output load regulation
Power Supplies
2kW to 10kW load. See Note 7
0.1
%
Active supply current
IDD
No load, VIH = DVDD, VIL = 0V
AVDD = DVDD = 5V,
VREF = 2.048V See Note 8
Slow
0.5
1.6
1.3
3.0
mA
mA
Fast
AVDD = DVDD = 3V,
VREF = 1.024V
Slow
Fast
0.4
1.4
1.1
2.7
10
mA
mA
mA
Power down supply current
No load, all digital inputs 0V
or DVDD. See Note 9
0.01
Dynamic DAC Specifications
Slew rate
DAC code 128 to 4095,
10%-90% See Note 10
Slow
Fast
1.5
8
V/ms
V/ms
Settling time
DAC code 128 to 4095
Slow
3.5
1.0
1
ms
ms
Fast
Glitch energy
Code 2047 to code 2048
nV-s
Signal to noise ratio
SNR
SNRD
THD
fS = 480ksps,
fOUT = 1kHz BW = 20kHz,
TA = 25°C See Note 12
65
58
78
dB
dB
dB
dB
Signal to noise and distortion ratio
Total harmonic distortion
fS = 480ksps,
fOUT = 1kHz BW = 20kHz,
TA = 25°C See Note 12
69
fS = 480ksps,
fOUT = 1kHz BW = 20kHz,
TA = 25°C See Note 12
-68
72
-60
Spurious free dynamic range
SPFDR
fS = 480ksps,
fOUT = 1kHz BW = 20kHz, TA =
25°C See Note 12
60
WOLFSON MICROELECTRONICS LTD
Production Data Rev 1.0 June 1999
4
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
