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SBAS341B − DECEMBER 2004 − REVISED APRIL 2005
ELECTRICAL CHARACTERISTICS
All specifications at T = −40°C to +85°C, AVDD = 5V, DVDD = IOVDD = 3V, f
= 40MHz, External V = +3V, V
REF CM
= +1.45V,
A
CLK
and R
= 37kΩ, unless otherwise noted.
BIAS
ADS1602
TYP
PARAMETER
TEST CONDITIONS
MIN
MAX
UNIT
Analog Input
Differential input voltage (V
(AINP − AINN)
)
IN
0dBFS
V
V
V
V
REF
Common-mode input voltage (V
(AINP + AINN) / 2
)
CM
1.45
Absolute input voltage
(AINP or AINN with respect to AGND)
−0.1
4.6
Dynamic Specifications
f
CLK
Data Rate
MSPS
2.50ǒ Ǔ
40MHz
f
f
f
= 10kHz, −1dBFS
= 10kHz, −3dBFS
= 10kHz, −6dBFS
= 100kHz, −1dBFS
= 100kHz, −3dBFS
= 100kHz, −6dBFS
= 800kHz, −1dBFS
= 800kHz, −3dBFS
= 800kHz, −6dBFS
= 10kHz, −1dBFS
= 10kHz, −3dBFS
= 10kHz, −6dBFS
= 100kHz, −1dBFS
= 100kHz, −3dBFS
= 100kHz, −6dBFS
= 800kHz, −1dBFS
= 800kHz, −3dBFS
= 800kHz, −6dBFS
= 10kHz, −1dBFS
= 10kHz, −3dBFS
= 10kHz, −6dBFS
= 100kHz, −1dBFS
= 100kHz, −3dBFS
= 100kHz, −6dBFS
= 800kHz, −1dBFS
= 800kHz, −3dBFS
= 800kHz, −6dBFS
= 10kHz, −1dBFS
= 10kHz, −3dBFS
= 10kHz, −6dBFS
= 100kHz, −1dBFS
= 100kHz, −3dBFS
= 100kHz, −6dBFS
= 800kHz, −1dBFS
= 800kHz, −3dBFS
= 800kHz, −6dBFS
= 995kHz, −6dBFS
= 1005kHz, −6dBFS
92
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
IN
IN
IN
87
84
90
87
f
91
IN
IN
IN
IN
IN
IN
f
f
f
f
f
87
84
89
Signal-to-noise ratio (SNR)
86
91
89
86
f
f
f
−94
−106
−108
−90
−96
−101
−116
−114
−110
89
IN
IN
IN
−92
−93
f
IN
IN
IN
IN
IN
IN
f
f
f
f
f
−90
−92
Total harmonic distortion (THD)
f
f
f
IN
IN
IN
85
82
90
87
f
87
IN
IN
IN
IN
IN
IN
f
f
f
f
f
85
82
88
Signal-to-noise + distortion (SINAD)
86
91
89
86
f
f
f
95
IN
IN
IN
90
93
107
112
91
f
IN
IN
IN
IN
IN
IN
f
f
f
f
f
90
93
96
Spurious-free dynamic range (SFDR)
103
120
119
114
f
1
Intermodulation distortion (IMD)
Aperture delay
94
4
dB
ns
f
2
3
BB [ BURR-BROWN CORPORATION ]
