Datasheet

8
ADCS7476 , ADCS7477 , ADCS7478
SNAS192G –APRIL 2003–REVISED MAY 2016 www.ti.com
Product Folder Links: ADCS7476 ADCS7477 ADCS7478
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Electrical Characteristics – ADCS7477 (continued)
T
A
= 25°C, V
DD
= 2.7 V to 5.25 V, f
SCLK
= 20 MHz, and f
SAMPLE
= 1 MSPS (unless otherwise noted)
(1)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
t
AJ
Aperture jitter 30 ps
(1) Data sheet min/max specification limits are ensured by design, test, or statistical analysis.
6.7 Electrical Characteristics – ADCS7478
T
A
= 25°C, V
DD
= 2.7 V to 5.25 V, f
SCLK
= 20 MHz, and f
SAMPLE
= 1 MSPS (unless otherwise noted)
(1)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
STATIC CONVERTER CHARACTERISTICS
Resolution with no missing codes –40°C ≤ T
A
≤ 85°C 8 Bits
INL Integral non-linearity
T
A
= 25°C ±0.05
LSB
–40°C ≤ T
A
≤ 85°C ±0.3
DNL Differential non-linearity
T
A
= 25°C ±0.07
LSB
–40°C ≤ T
A
≤ 85°C ±0.3
V
OFF
Offset error
T
A
= 25°C ±0.03
LSB
–40°C ≤ T
A
≤ 85°C ±0.3
GE Gain error
T
A
= 25°C ±0.08
LSB
–40°C ≤ T
A
≤ 85°C ±0.4
Total unadjusted error
T
A
= 25°C ±0.07
LSB
–40°C ≤ T
A
≤ 85°C ±0.3
DYNAMIC CONVERTER CHARACTERISTICS
SINAD Signal-to-noise plus distortion ratio f
IN
= 100 kHz
T
A
= 25°C 49.7
dB
–40°C ≤ T
A
≤ 85°C 49
SNR Signal-to-noise ratio f
IN
= 100 kHz 49.7 dB
THD Total harmonic distortion f
IN
= 100 kHz
T
A
= 25°C –77
dB
–40°C ≤ T
A
≤ 85°C –65
SFDR Spurious-free dynamic range f
IN
= 100 kHz
T
A
= 25°C 69
dB
–40°C ≤ T
A
≤ 85°C 65
IMD
Intermodulation distortion,
second order terms
f
a
= 103.5 kHz, f
b
= 113.5 kHz –68 dB
Intermodulation distortion,
third order terms
f
a
= 103.5 kHz, f
b
= 113.5 kHz –68 dB
FPBW –3-dB full power bandwidth
5-V supply 11 MHz
3-V supply 8 MHz
POWER SUPPLY CHARACTERISTICS
I
DD
Normal mode (static)
V
DD
= 4.75 V to 5.25 V, SCLK On or Off 2 mA
V
DD
= 2.7 V to 3.6 V, SCLK On or Off 1 mA
Normal mode (operational)
V
DD
= 4.75 V to 5.25 V,
f
SAMPLE
= 1 MSPS
T
A
= 25°C 2
mA
–40°C ≤ T
A
≤ 85°C 3.5
V
DD
= 2.7 V to 3.6 V,
f
SAMPLE
= 1 MSPS
T
A
= 25°C 0.6
mA
–40°C ≤ T
A
≤ 85°C 1.6
Shutdown mode
V
DD
= 5 V, SCLK Off 0.5
µA
V
DD
= 5 V, SCLK On 60