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參數資料
| 型號： | ADMCF340BST |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 數字信號處理 |
| 英文描述： | DashDSPTM 64-Lead Flash Mixed-Signal DSP with Enhanced Analog Front End |
| 中文描述： | 0-BIT, 10 MHz, OTHER DSP, PQFP64 |
| 封裝： | PLASTIC, LQFP-64 |
| 文件頁數： | 2/40頁 |
| 文件大小： | 415K |
| 代理商： | ADMCF340BST |
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REV. 0
–2–
ADMCF340
ANALOG-TO-DIGITAL CONVERTER
(V
DD
= 5%, GND = 0 V, T
A
= –40 C to +85 C, CLKIN = 10 MHz, unless
otherwise noted.)
Parameter
Min
Typ
Max
Unit
Conditions/Comments
Signal Input
Resolution
1
Linearity Error
2
Zero Offset
3
Comparator Delay
ADC High Level Input Current
2
ADC Low Level Input Current
2
0.3
3.5
12
4
+7
V
Bits
Bits
mV
ns
μ
A
μ
A
VAUX0, VAUX1, VAUX2
3
0
600
–32
10
V
IN
= 3.5 V
V
IN
= 0.0 V
–10
NOTES
1
Resolution varies with PWM switching frequency (double update mode) 78.1 kHz = 8 bits, 4.9 kHz = 12 bits.
2
2.44 kHz sample frequency, VAUX0, VAUX1, VAUX2
3
Extrapolated point outside of operating range. 2.44 kHz sample frequency
Specifications subject to change without notice.
I
SENSE
AMPLIFIER–TRIP
Parameter
Min
Typ
Max
Unit
Conditions/Comments
I
SENSE
Signal Operating Range
I
SENSE
Gain
I
SENSE
Gain Channel Matching
I
SENSE
Gain Stability
1
I
SENSE
Linearity
2
I
SENSE
Internal Offset Voltage
2
I
SENSE
Internal Offset Stability
2
I
SENSE
Signal-to-Noise Ratio (SNR)
3
I
SENSE
Signal-to-Noise Ratio Less Distortion
(SNR)
3
I
SENSE
Total Harmonic Distortion
3
I
SENSE
Input Current
I
SENSE
Input Resistance
TRIP Threshold Low
TRIP Threshold High
TRIP Minimum Pulsewidth
4
–400
–2.6
+400
–2.34
5.5
mV
%
%
%
Bits
V
%
dB
dB
dB
dB
μ
A
k
mV
mV
μ
s
–2.51
V
IN
= –400 mV to +400 mV
V
IN
= –400 mV to +400 mV
V
IN
= –400 mV to +400 mV
0.8
9
1.87
2.1
51
54
–40
–53
8
1.68
2.1
–200
+10
V
IN
= –400 mV to +400 mV
11.5
–690
430
–430
690
5
NOTES
1
Variation of gain with V
DD
and temperature
2
V
IN
= –400 mV to +400 mV.
3
f
IN
= 1 kHz sine wave, V
IN
= –400 mV to +400 mV, f
S
= 4 kHz.
4
High or low trip threshold
CURRENT SOURCE
1
Parameter
Min
Typ
Max
Unit
Conditions/Comments
Programming Resolution
Tuned Current
2
3
109
Bits
μ
A
91
100
NOTES
1
For ADC calibration
2
0.3 V to 3.5 V I
CONST
voltage
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