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ADCS7477AIMFX 其他数据使用手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
AD转换器
封装:
SOT-23-6
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3D模型
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引脚图
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封装信息在P27P28P29P30P31
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ADCS7477AIMFX数据手册
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6
ADCS7476
,
ADCS7477
,
ADCS7478
SNAS192G –APRIL 2003–REVISED MAY 2016
www.ti.com
Product Folder Links: ADCS7476 ADCS7477 ADCS7478
Submit Documentation Feedback Copyright © 2003–2016, Texas Instruments Incorporated
Electrical Characteristics – ADCS7476 (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
V
IH
Input high voltage –40°C ≤ T
A
≤ 85°C 2.4 V
V
IL
Input low voltage
V
DD
= 5 V, –40°C ≤ T
A
≤ 85°C 0.8 V
V
DD
= 3 V, –40°C ≤ T
A
≤ 85°C 0.4 V
I
IN
Input current V
IN
= 0 V or V
DD
T
A
= 25°C ±10 nA
–40°C ≤ T
A
≤ 85°C ±1 µA
C
IND
Digital input capacitance
T
A
= 25°C 2
pF
–40°C ≤ T
A
≤ 85°C 4
DIGITAL OUTPUT CHARACTERISTICS
V
OH
Output high voltage
I
SOURCE
= 200 µA, V
DD
= 2.7 V to 5.25 V,
–40°C ≤ T
A
≤ 85°C
V
DD
– 0.2 V
V
OL
Output low voltage I
SINK
= 200 µA, –40°C ≤ T
A
≤ 85°C 0.4 V
I
OL
TRI-STATE leakage current –40°C ≤ T
A
≤ 85°C ±10 µA
C
OUT
TRI-STATE output capacitance
T
A
= 25°C 2
pF
–40°C ≤ T
A
≤ 85°C 4
Output coding Straight (natural) binary
AC ELECTRICAL CHARACTERISTICS
f
SCLK
Clock frequency –40°C ≤ T
A
≤ 125°C 20 MHz
DC SCLK duty cycle –40°C ≤ T
A
≤ 85°C 40% 60%
t
TH
Track or hold acquisition time –40°C ≤ T
A
≤ 85°C 400 ns
f
RATE
Throughput rate –40°C ≤ T
A
≤ 85°C 1 MSPS
t
AD
Aperture delay 3 ns
t
AJ
Aperture jitter 30 ps
(1) Data sheet minimum and maximum specification limits are ensured by design, test, or statistical analysis.
6.6 Electrical Characteristics – ADCS7477
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 10 Bits
INL Integral non-linearity
T
A
= 25°C ±0.2
LSB
–40°C ≤ T
A
≤ 85°C ±0.7
DNL Differential non-linearity
T
A
= 25°C –0.2 0.3
LSB
T–40°C ≤ T
A
≤ 85°C ±0.7 ±0.7
V
OFF
Offset error
T
A
= 25°C ±0.1
LSB
–40°C ≤ T
A
≤ 85°C ±0.7
GE Gain error
T
A
= 25°C ±0.2
LSB
–40°C ≤ T
A
≤ 85°C ±1
DYNAMIC CONVERTER CHARACTERISTICS
SINAD Signal-to-noise plus distortion ratio f
IN
= 100 kHz
T
A
= 25°C 61.7
dBFS
–40°C ≤ T
A
≤ 85°C 61
SNR Signal-to-noise ratio f
IN
= 100 kHz 62 dB
THD Total harmonic distortion f
IN
= 100 kHz
T
A
= 25°C –77
dB
–40°C ≤ T
A
≤ 85°C –73
SFDR Spurious-free dynamic range f
IN
= 100 kHz
T
A
= 25°C 78
dB
–40°C ≤ T
A
≤ 85°C 74
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