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ADS8406 데이터시트 PDF




Burr-Brown Corporation에서 제조한 전자 부품 ADS8406은 전자 산업 및 응용 분야에서
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부품번호 ADS8406 기능
기능 MICRO POWER SAMPLING ANALOG-TO-DIGITAL CONVERTER
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ADS8406 데이터시트, 핀배열, 회로
BurrĆBrown Products
from Texas Instruments
ADS8406
SLAS426A – AUGUST 2004 – REVISED DECEMBER 2004
16-BIT, 1.25 MSPS, PSEUDO-BIPOLAR, FULLY DIFFERENTIAL INPUT, MICRO POWER
SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE
FEATURES
Pseudo-Bipolar, Fully Differential Input, -VREF
to VREF
16-Bit NMC at 1.25 MSPS
• ±2 LSB INL Max, -1/+1.25 LSB DNL
90 dB SNR, -95 dB THD at 100 kHz Input
Zero Latency
Internal 4.096 V Reference
High-Speed Parallel Interface
Single 5 V Analog Supply
Wide I/O Supply: 2.7 V to 5.25 V
Low Power: 155 mW at 1.25 MHz Typ
Pin Compatible With ADS8412/8402
48-Pin TQFP Package
APPLICATIONS
DWDM
Instrumentation
High-Speed, High-Resolution, Zero Latency
Data Acquisition Systems
Transducer Interface
Medical Instruments
Communications
DESCRIPTION
The ADS8406 is a 16-bit, 1.25 MHz A/D converter
with an internal 4.096-V reference. The device in-
cludes a 16-bit capacitor-based SAR A/D converter
with inherent sample and hold. The ADS8406 offers a
full 16-bit interface and an 8-bit option where data is
read using two 8-bit read cycles.
The ADS8406 has a pseudo-bipolar, fully differential
input. It is available in a 48-lead TQFP package and
is characterized over the industrial -40°C to 85°C
temperature range.
Type/Speed
18 Bit Pseudo-Diff
16 Bit Pseudo-Diff
500 kHz
ADS8383
16 Bit Pseudo Bipolar,
Fully Differential
14 Bit Pseudo-Diff
12 Bit Pseudo-Diff
High Speed SAR Converter Family
580 kHz
ADS8381
750 MHZ
ADS8371
1.25 MHz
2 MHz
ADS8401
ADS8405
ADS8402
ADS8406
ADS7890 (S)
ADS8411
ADS8412
3 MHz
ADS7891
4 MHz
ADS7881
REFOUT
+IN
−IN
REFIN
+
_ CDAC
4.096-V
Internal
Reference
SAR
Comparator
Clock
Output
Latches
and
3-State
Drivers
Conversion
and
Control Logic
BYTE
16-/8-Bit
Parallel DATA
Output Bus
RESET
CONVST
BUSY
CS
RD
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2004, Texas Instruments Incorporated




ADS8406 pdf, 반도체, 판매, 대치품
ADS8406
SLAS426A – AUGUST 2004 – REVISED DECEMBER 2004
www.ti.com
SPECIFICATIONS (continued)
TA = –40°C to 85°C, +VA = 5 V, +VBD = 3 V or 5 V, Vref = 4.096 V, fSAMPLE = 1.25 MHz (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP
MAX
INTERNAL REFERENCE OUTPUT
Internal reference start-up time
From 95% (+VA) with 1-µF
storage capacitor
120
Vref Reference voltage
Source current
IOUT = 0
Static load
4.065 4.096
4.13
10
Line regulation
+VA = 4.75 to 5.25 V
0.6
Drift IOUT = 0
36
DIGITAL INPUT/OUTPUT
Logic family — CMOS
VIH High level input voltage
VIL Low level input voltage
VOH High level output voltage
VOL Low level output voltage
Data format — 2's complement
IIH = 5 µA
IIL = 5 µA
IOH = 2 TTL loads
IOL = 2 TTL loads
+VBD – 1
–0.3
+VBD – 0.6
0
+VBD + 0.3
0.8
+VBD
0.4
POWER SUPPLY REQUIREMENTS
Power supply voltage
+VBD
+VA
2.7 3
4.75 5
5.25
5.25
Supply current, +VA(8)
PD Power dissipation(8)
TEMPERATURE RANGE
fs = 1.25 MHz
fs = 1.25 MHz
31 34
155 170
TA Operating free-air temperature
–40 85
UNIT
ms
V
µA
mV
PPM/°C
V
V
V
mA
mW
°C
(8) This includes only +VA current. +VBD current is typically 1 mA with 5-pF load capacitance on output pins.
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ADS8406 전자부품, 판매, 대치품
www.ti.com
ADS8406
PIN ASSIGNMENTS
PFB PACKAGE
(TOP VIEW)
SLAS426A – AUGUST 2004 – REVISED DECEMBER 2004
+VBD
RESET
BYTE
CONVST
RD
CS
+VA
AGND
AGND
+VA
REFM
REFM
36 35 34 33 32 31 30 29 28 27 26 25
37 24
38 23
39 22
40 21
41 20
42 19
43 18
44 17
45 16
46 15
47 14
48 13
1 2 3 4 5 6 7 8 9 10 11 12
+VBD
DB8
DB9
DB10
DB11
DB12
DB13
DB14
DB15
AGND
AGND
+VA
NC - No connection
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