WM2604IDT Ver la hoja de datos (PDF) - Wolfson Microelectronics plc
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WM2604IDT Datasheet PDF : 10 Pages
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WM2604
Production Data
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
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
Static DAC Specifications
Resolution
10
Integral non-linearity
INL
See Note 1
±0.4
±1
Differential non-linearity
DNL
See Note 2
±0.1
±0.25
Zero code error
ZCE
See Note 3
3
±12
Gain error
GE
See Note 4
0.25
±0.6
d.c. power supply rejection ratio
DC PSRR
See Note 5
0.5
Zero code error temperature coefficient
See Note 6
10
Gain error temperature coefficient
See Note 6
10
DAC Output Specifications
Output voltage range
0
AVDD - 0.1
Output load regulation
2kΩ to 10kΩ load
0.1
0.25
See Note 7
Power Supplies
Active supply current
IDD
No load, VIH = DVDD, VIL = 0V
AVDD = 5V,
VREF = 2.048V Slow
1.4
2.2
AVDD = 5V,
VREF = 2.048V Fast
3.5
5.5
AVDD = 3V,
VREF = 1.024V Slow
1.0
1.5
AVDD = 3V,
VREF = 1.024V Fast
See Note 8
3.0
4.5
Power down supply current
No load, all digital inputs
0V or DVDD
0.01
10
See Note 9
Dynamic DAC Specifications
Slew rate
DAC code 32 to 1023,
10% to 90%
Slow
Fast
See Note 10
0.5
1.0
2.5
4.0
Settling time
DAC code 32 to 1023
Slow
12.0
Fast
4.0
See Note 11
Glitch energy
Code 511 to 512
10
Signal to noise ratio
SNR
fs = 400ksps, fOUT = 1kHz,
60
68
BW = 20kHz
See Note 12
Signal to noise and distortion ratio
SNRD
fs = 400ksps, fOUT = 1kHz,
54
65
BW = 20kHz
See Note 12
Total harmonic distortion
THD
fs = 400ksps, fOUT = 1kHz,
BW = 20kHz
-68
-54
See Note 12
Spurious free dynamic range
SPFDR
fs = 400ksps, fOUT = 1kHz,
54
70
BW = 20kHz
See Note 12
UNIT
bits
LSB
LSB
mV
% FSR
mV/V
ppm/°C
ppm/°C
V
%
mA
µA
V/µs
V/µs
µs
µs
nV-s
dB
dB
dB
dB
WOLFSON MICROELECTRONICS LTD
PD Rev 1.0 June 1999
4
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