WM2614 Ver la hoja de datos (PDF) - Wolfson Microelectronics plc
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WM2614 Datasheet PDF : 10 Pages
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WM2614
Production Data Rev 1.0
ELECTRICAL CHARACTERISTICS
Test Conditions:
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).
PARAMETER
Static DAC Specifications
Resolution
Integral non-linearity
Differential non-linearity
Zero code error
Gain error
D.c. 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
Power down supply current
Dynamic DAC Specifications
Slew rate
Settling time
Glitch energy
Signal to noise ratio
Signal to noise and distortion ratio
Total harmonic distortion
Spurious free dynamic range
SYMBOL
TEST CONDITIONS
MIN TYP
MAX
UNIT
INL
DNL
ZCE
GE
d.c. PSRR
See Note 1
See Note 2
See Note 3
See Note 4
See Note 5
See Note 6
See Note 6
12
±1.5
±0.4
3
0.25
0.5
10
10
±4
±1
±12
±0.6
bits
LSB
LSB
mV
% FSR
mV/V
ppm/°C
ppm/°C
2kΩ to 10kΩ load
See Note 7
0
AVDD - 0.1
V
0.1
0.25
%
IDD
No load, VIH = DVDD, VIL = 0V
AVDD = 5V, VREF = 2.048V Slow
AVDD = 5V, VREF = 2.048V Fast
AVDD = 3V, VREF = 1.024V Slow
AVDD = 3V, VREF = 1.024V Fast
See Note 8
No load,
all digital inputs 0V or DVDD
See Note 9
mA
1.6
2.4
3.8
5.6
1.2
1.8
3.2
4.8
0.01
10
µA
DAC code 128 to 4095, 10%-90%
Slow
0.5 1.0
Fast
2.5 4.0
See Note 10
DAC code 128 to 4095
Slow
12.0
Fast
4.0
See Note 11
Code 2047 to 2048
10
SNR
fs = 400ksps, fOUT = 1kHz,
BW = 20kHz,
66 74
See Note 12
SNRD
fs = 400ksps, fOUT = 1kHz,
BW = 20kHz,
54 66
See Note 12
THD
fs = 400ksps, fOUT = 1kHz,
BW = 20kHz,
-68
-56
See Note 12
SPFDR
fs = 400ksps, fOUT = 1kHz,
BW = 20kHz,
56 70
See Note 12
V/µs
V/µs
µs
µs
nV-s
dB
dB
dB
dB
WOLFSON MICROELECTRONICS LTD
Production Data Rev 1.0 June 1999
4
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