Datasheet

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SBAS274H − MARCH 2003 − REVISED MAY 2007
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3
ELECTRICAL CHARACTERISTICS
All specifications at −40°C to +85°C, AVDD = 5V, DVDD = IOVDD = 3V, f
CLK
= 40MHz, External V
REF
= +3V, 2XMODE = low, V
CM
= 2.0V,
FIFO disabled, and R
BIAS
= 37kΩ, unless otherwise noted.
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Analog Input
0dBFS ±1.467V
REF
V
Differential input voltage (V
IN
)
(AINP − AINN)
−2dBFS ±1.165V
REF
V
Differential input voltage (V
IN
)
(AINP − AINN)
−6dBFS ±0.735V
REF
V
−20dBFS ±0.147V
REF
V
Common-mode input voltage (V
CM
)
(AINP + AINN) / 2
2.0 V
Absolute input voltage
(AINP or AINN with respect to AGND)
0dBFS −0.1 4.7 V
Absolute input voltage
(AINP or AINN with respect to AGND)
−2dBFS input and smaller 0.1 4.2 V
Dynamic Specifications
Data rate
5.0
ǒ
f
CLK
40MHz
Ǔ
MSPS
f
IN
= 100kHz, −2dBFS 88 dB
f
IN
= 100kHz, −6dBFS 84 dB
f
IN
= 100kHz, −20dBFS 62 70 dB
f
IN
= 500kHz, −2dBFS 86 dB
Signal-to-noise ratio (SNR)
f
IN
= 500kHz, −6dBFS 83 dB
Signal-to-noise ratio (SNR)
f
IN
= 500kHz, −20dBFS 69 dB
f
IN
= 2MHz, −2dBFS 84 dB
f
IN
= 2MHz, −6dBFS 82 dB
f
IN
= 2MHz, −20dBFS 69 dB
f
IN
= 100kHz, −2dBFS −93 dB
f
IN
= 100kHz, −6dBFS −99 dB
f
IN
= 100kHz, −20dBFS −94 −85 dB
f
IN
= 500kHz, −2dBFS −94 dB
Total harmonic distortion (THD)
f
IN
= 500kHz, −6dBFS −97 dB
Total harmonic distortion (THD)
f
IN
= 500kHz, −20dBFS −93 dB
f
IN
= 2MHz, −2dBFS −98 dB
f
IN
= 2MHz, −6dBFS −101 dB
f
IN
= 2MHz, −20dBFS −92 dB
f
IN
= 100kHz, −2dBFS 86 dB
f
IN
= 100kHz, −6dBFS 84 dB
f
IN
= 100kHz, −20dBFS 62 70 dB
f
IN
= 500kHz, −2dBFS 86 dB
Signal-to-noise and distortion (SINAD)
f
IN
= 500kHz, −6dBFS 83 dB
Signal-to-noise and distortion (SINAD)
f
IN
= 500kHz, −20dBFS 69 dB
f
IN
= 2MHz, −2dBFS 84 dB
f
IN
= 2MHz, −6dBFS 82 dB
f
IN
= 2MHz, −20dBFS 69 dB