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参数资料
| 型号： | 5962-9319501MYA |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PQCC44 |
| 封装： | EL44A |
| 文件页数： | 40/43页 |
| 文件大小： | 991K |
| 代理商： | 5962-9319501MYA |
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Converter AC Characteristics (Notes 6, 7, 8, 9, 19) (Continued)
The following specifications apply to the LM12454, LM12458, and LM12H458 for V
A+ = VD+ = 5V, VREF+ = 5V, VREF = 0V,
12-bit + sign conversion mode, f
CLK = 8.0 MHz (LM12H458) or fCLK = 5.0 MHz (LM12454/8), RS = 25, source impedance for
V
REF+ and VREF ≤ 25, fully-differential input with fixed 2.5V common-mode voltage, and minimum acquisition time unless
otherwise specified. Boldface limits apply for T
A = TJ = TMIN to TMAX; all other limits TA = TJ = 25C.
Symbol
Parameter
Conditions
Typical
Limits
Unit
(Note 10)
(Note 11)
(Limit)
DSNR
Differential Signal-to-Noise Ratio
V
IN = ±5V
f
IN = 1 kHz
77.5
dB
f
IN = 20 kHz
75.2
dB
f
IN = 40 kHz
74.7
dB
SESNR
Single-Ended Signal-to-Noise
V
IN = 5Vp-p
Ratio
f
IN = 1 kHz
69.8
dB
f
IN = 20 kHz
69.2
dB
f
IN = 40 kHz
66.6
dB
DSINAD
Differential Signal-to-Noise +
V
IN = ±5V
Distortion Ratio
f
IN = 1 kHz
76.9
dB
f
IN = 20 kHz
73.9
dB
f
IN = 40 kHz
70.7
dB
SESINAD
Single-Ended Signal-to-Noise +
V
IN = 5Vp-p
Distortion Ratio
f
IN = 1 kHz
69.4
dB
f
IN = 20 kHz
68.3
dB
f
IN = 40 kHz
65.7
dB
DTHD
Differential Total Harmonic
V
IN = ±5V
Distortion
f
IN = 1 kHz
85.8
dB
f
IN = 20 kHz
79.9
dB
f
IN = 40 kHz
72.9
dB
SETHD
Single-Ended Total Harmonic
V
IN = 5Vp-p
Distortion
f
IN = 1 kHz
80.3
dB
f
IN = 20 kHz
75.6
dB
f
IN = 40 kHz
72.8
dB
DENOB
Differential Effective Number
V
IN = ±5V
of Bits
f
IN = 1 kHz
12.6
Bits
f
IN = 20 kHz
12.2
Bits
f
IN = 40 kHz
12.1
Bits
SEENOB
Single-Ended Effective Number
V
IN = 5Vp-p
of Bits
f
IN = 1 kHz
11.3
Bits
f
IN = 20 kHz
11.2
Bits
f
IN = 40 kHz
10.8
Bits
DSFDR
Differential Spurious Free
V
IN = ±5V
Dynamic Range
f
IN = 1 kHz
87.2
dB
f
IN = 20 kHz
78.9
dB
f
IN = 40 kHz
72.8
dB
Multiplexer Channel-to-Channel
V
IN = 5VPP
Crosstalk
f
IN = 40 kHz
LM12454 MUXOUT Only
76
dB
LM12(H)458 MUX
78
dB
plus Converter
t
PU
Power-Up Time
10
ms
t
WU
Wake-Up Time
10
ms
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相关代理商/技术参数 |
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|---|---|
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