Rainbow-electronics MAX1314 Manual do Utilizador Página 2
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MAX1304–MAX1306/MAX1308–MAX1310/MAX1312–MAX1314
8-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCs
with ±10V, ±5V, and 0 to +5V Analog Input Ranges
2 _______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(AV
DD
= +5V, DV
DD
= +3V, AGND = DGND = 0, V
REF
= V
REFMS
= +2.5V (external reference), C
REF
= C
REFMS
= 0.1µF, C
REF+
=
C
REF-
= 0.1µF, C
REF+-to-REF-
= 2.2µF || 0.1µF, C
COM
= 2.2µF || 0.1µF, C
MSV
= 2.2µF || 0.1µF (unipolar devices), MSV = AGND (bipo-
lar devices), f
CLK
= 16.67MHz 50% duty cycle, INTCLK/EXTCLK = AGND (external clock), SHDN = DGND, T
A
= T
MIN
to T
MAX
,
unless otherwise noted. Typical values are at T
A
= +25°C. See Figures 3 and 4.)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
AV
DD
to AGND .........................................................-0.3V to +6V
DV
DD
to DGND.........................................................-0.3V to +6V
AGND to DGND.....................................................-0.3V to +0.3V
CH0–CH7, I.C. to AGND (MAX1304/MAX1305/MAX1306)....±6V
CH0–CH7, I.C. to AGND (MAX1308/MAX1309/MAX1310)..±16.5V
CH0–CH7, I.C. to AGND (MAX1312/MAX1313/MAX1314)..±16.5V
D0–D11 to DGND ....................................-0.3V to (DV
DD
+ 0.3V)
EOC, EOLC, RD, WR, CS to DGND.........-0.3V to (DV
DD
+ 0.3V)
CONVST, CLK, SHDN, CHSHDN to DGND ..-0.3V to (DV
DD
+ 0.3V)
INTCLK/EXTCLK to AGND.......................-0.3V to (AV
DD
+ 0.3V)
REF
MS
, REF, MSV to AGND.....................-0.3V to (AV
DD
+ 0.3V)
REF+, COM, REF- to AGND.....................-0.3V to (AV
DD
+ 0.3V)
Maximum Current into Any Pin Except AV
DD
, DV
DD
, AGND,
DGND ...........................................................................±50mA
Continuous Power Dissipation (T
A
= +70°C)
TQFP (derate 22.7mW/°C above +70°C)................1818.2mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
STATIC PERFORMANCE (Note 1)
Resolution N 12 Bits
Integral Nonlinearity INL (Note 2)
±0.5 ±1.0
LSB
Differential Nonlinearity DNL No missing codes (Note 2)
±0.3 ±0.9
LSB
Unipolar, 0x000 to 0x001 ±3
±16
Offset Error
Bipolar, 0xFFF to 0x000 ±3
±16
LSB
Unipolar, between all channels ±9
±20
Offset-Error Matching
Bipolar, between all channels ±9
±20
LSB
Unipolar, 0x000 to 0x001 7
Offset-Error Temperature Drift
Bipolar, 0xFFF to 0x000 7
ppm/°C
Gain Error ±2
±16
LSB
Gain-Error Matching Between all channels ±3
±14
LSB
Gain-Error Temperature Drift 4
ppm/°C
DYNAMIC PERFORMANCE at f
IN
= 500kHz, A
IN
= -0.4dBFS (Note 2)
Signal-to-Noise Ratio SNR 68 71 dB
Signal-to-Noise Plus Distortion
SINAD
68 71 dB
Total Harmonic Distortion THD -86 -80 dBc
Spurious-Free Dynamic Range
SFDR
84 dBc
Channel-to-Channel Isolation 80 86 dB
ANALOG INPUTS (CH0 through CH7)
MAX1304/MAX1305/MAX1306 0 +5
MAX1308/MAX1309/MAX1310 -5 +5
Input Voltage V
CH
MAX1312/MAX1313/MAX1314 -10
+10
V
- General Description 1
- Applications 1
- Features 1
- Ordering Information 1
- Selector Guide 1
- ABSOLUTE MAXIMUM RATINGS 2
- ELECTRICAL CHARACTERISTICS 2
- MAX1304 toc10 8
- MAX1304 toc07 8
- MAX1304 toc08 8
- MAX1304 toc09 8
- MAX1304 toc13 9
- MAX1304 toc14 9
- MAX1304 toc11 9
- MAX1304 toc12 9
- MAX1304 toc15 10
- MAX1304 toc16 10
- MAX1304 toc17 10
- MAX1304 toc18 10
- Pin Description 13
- Pin Description (continued) 14
- Detailed Description 15
- MAX1304–MAX1306 16
- MAX1308–MAX1310 16
- MAX1312–MAX1314 16
- Figure 2. Functional Diagram 16
- Analog Inputs 19
- Selecting an Input Buffer 19
- = 15MHz, t 20
- = 100ns, t 20
- Applications Information 21
- Starting a Conversion 22
- Reading a Conversion Result 23
- Power-Up Reset 24
- Power-Saving Modes 24
- Table 4. Reference Voltages 26
- BINARY OUTPUT CODE 27
- 3-Phase Motor Controller 30
- Definitions 32
- Chip Information 34
- 32L/48L,TQFP.EPS 36
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