WM2636ID データシートの表示（PDF） - Wolfson Microelectronics plc
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WM2636ID Datasheet PDF : 10 Pages
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WM2636
Production Data
ELECTRICAL CHARACTERISTICS
Test Conditions:
RL = 10kΩ, CL = 100pF. VDD = 5V ± 10%, VREF = 2.048V and VDD = 3V ± 10%, VREF = 1.024V over recommended operating
free-air temperature range (unless noted otherwise).
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
Static DAC Specifications
Resolution
12
Integral non-linearity
INL
See Note 1
Differential non-linearity
DNL
See Note 2
Zero code error
ZCE
See Note 3
Gain error
GE
See Note 4
D.c. power supply rejection ratio
DC PSRR
See Note 5
Zero code error temperature coefficient
See Note 6
Gain error temperature coefficient
See Note 6
DAC Output Specifications
Output voltage range
0
Output load regulation
Power Supplies
2kΩ to 10kΩ load
See Note 7
Active supply current
Power down supply current
Dynamic DAC Specifications
IDD
No load, VIH = VDD, VIL = 0V
VDD = 5V,
VREF = 2.048V Slow
VDD = 5V,
VREF = 2.048V Fast
VDD = 3V,
VREF = 1.024V Slow
VDD = 3V,
VREF = 1.024V Fast
See Note 8
No load,
all digital inputs 0V or VDD
See Note 9
TYP
MAX
UNIT
±2.0
±0.5
0.5
10
10
±4.0
±1.0
±20
±0.6
bits
LSB
LSB
mV
% FSR
mV/V
ppm/°C
ppm/°C
VDD - 0.1 V
±0.1
±0.25
%
1.6
1.9
mA
2.9
3.4
mA
1.4
mA
2.7
mA
0.01
10
µA
Slew rate
Settling time
Glitch energy
Signal to noise ratio
Signal to noise and distortion ratio
Total harmonic distortion
Spurious free dynamic range
DAC code 128 to 4095,
10%-90% See Note 10
Slow
2
Fast
14
DAC code 128 to 4095
See Note 11
Slow
3.5
Fast
1.0
Code 2047 to 2048
10
SNR
fs = 400ksps, fOUT = 1kHz,
71
75
BW = 20kHz
See Note 12
SNRD
fs = 400ksps, fOUT = 1kHz,
59
66
BW = 20kHz See Note 12
THD
fs = 400ksps, fOUT = 1kHz,
-67
BW = 20kHz See Note 12
SPFDR
fs = 400ksps, fOUT = 1kHz,
59
69
BW = 20kHz See Note 12
V/µs
V/µs
µs
µs
nV-s
dB
dB
-59
dB
dB
WOLFSON MICROELECTRONICS LTD
PD Rev 1.0 July 1999
3
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