WM2637ID View Datasheet(PDF) - Wolfson Microelectronics plc
Part Name
Description
Manufacturer
WM2637ID
Wolfson Microelectronics plc
WM2637ID Datasheet PDF : 11 Pages
| |||
WM2637
Production Data
Note: Reference voltages greater than VDD/2 will cause saturation for large DAC codes.
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
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
SYMBOL
TEST CONDITIONS
MIN TYP MAX
UNIT
INL
DNL
ZCE
GE
DC PSRR
See Note 1
See Note 2
See Note 3
See Note 4
See Note 5
See Note 6
See Note 6
10
±0.4
±0.1
0.5
10
10
±1.0
±0.5
±24
±0.6
bits
LSB
LSB
mV
% FSR
mV/V
ppm/°C
ppm/°C
2kΩ to 10kΩ load
See Note 7
0
VDD - 0.1
V
±0.1 ±0.25
%
IDD
No load, VIH = VDD, VIL = 0V
VDD = 5V, VREF = 2.048V, Internal
Slow
Fast
VDD = 5V, VREF = 2.048V, External
Slow
Fast
VDD = 3V, VREF = 1.024V, Internal
Slow
Fast
VDD = 3V, VREF = 1.024V, External
Slow
Fast
See Note 8
No load,
all digital inputs 0V or VDD
See Note 9
2.0
2.5
mA
4.2
5.0
mA
1.7
2.1
mA
3.8
4.6
mA
1.7
2.2
mA
3.7
4.6
mA
1.4
1.8
mA
3.4
4.2
mA
0.01
10
µA
SNR
DAC code 32 to 1023, 10%-90%
Slow
1.5
Fast
8.0
See Note 10
DAC code 32 to 1023
Slow
3.5
Fast
1.0
See Note 11
Code 511 to 512
10
fs = 400ksps, fOUT = 1kHz,
BW = 20kHz
See Note 12
53
56
V/µs
V/µs
µs
µs
nV-s
dB
Signal to noise and distortion ratio
SNRD
fs = 400ksps, fOUT = 1kHz,
50
54
dB
BW = 20kHz
WOLFSON MICROELECTRONICS LTD
PD Rev 1.0 July 99
3
Share Link: 