Datasheet

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SBAS274H − MARCH 2003 − REVISED MAY 2007
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4
ELECTRICAL CHARACTERISTICS (continued)
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 UNITMAXTYPMINTEST CONDITIONS
f
IN
= 100kHz, −2dBFS 96 dB
f
IN
= 100kHz, −6dBFS 101 dB
f
IN
= 100kHz, −20dBFS 85 96 dB
f
IN
= 500kHz, −2dBFS 95 dB
Spurious free dynamic range (SFDR)
f
IN
= 500kHz, −6dBFS 100 dB
Spurious free dynamic range (SFDR)
f
IN
= 500kHz, −20dBFS 95 dB
f
IN
= 2MHz, −2dBFS 102 dB
f
IN
= 2MHz, −6dBFS 105 dB
f
IN
= 2MHz, −20dBFS 96 dB
Intermodulation distortion (IMD)
f
1
= 1.99MHz, −6dBFS
f = 2.00MHz, −6dBFS
−94
dB
Intermodulation distortion (IMD)
f
1
= 1.99MHz, −6dBFS
f
2
= 2.00MHz, −6dBFS
−94
dB
Aperture delay 4 ns
Digital Filter Characteristics
Passband 0
2.2
ǒ
f
CLK
40MHz
Ǔ
MHz
Passband ripple ±0.0025 dB
Passband transition
−0.1dB attenuation
2.3
ǒ
f
CLK
40MHz
Ǔ
MHz
Passband transition
−3.0dB attenuation
2.45
ǒ
f
CLK
40MHz
Ǔ
MHz
Stop band
2.8
ǒ
f
CLK
40MHz
Ǔ
37.2
ǒ
f
CLK
40MHz
Ǔ
MHz
Stop band attenuation 72 dB
Group delay
5.2
ǒ
40MHz
f
CLK
Ǔ
µs
Settling time To ±0.001%
9.4
ǒ
40MHz
f
CLK
Ǔ
µs
Static Specifications
Resolution 16 Bits
No missing codes 16 Bits
Input-referred noise 1.0 LSB, rms
Integral nonlinearity −1.5dBFS signal ±0.75 LSB
Differential nonlinearity ±0.25 LSB
Offset error 0.05 %FSR
Offset error drift 1 ppmFSR/°C
Gain error 0.25 %
Gain error drift Excluding reference drift 10 ppm/°C
Common-mode rejection At dc 75 dB
Power-supply rejection At dc 65 dB