參數(shù)資料
型號: SPT7840SCS
廠商: SIGNAL PROCESSING TECHNOLOGIES
元件分類: ADC
英文描述: 1-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PDSO28
封裝: SOIC-28
文件頁數(shù): 1/12頁
文件大?。?/td> 96K
代理商: SPT7840SCS
SPT7840
10-BIT, 10 MSPS, 100 mW A/D CONVERTER
Signal Processing Technologies, Inc.
4755 Forge Road, Colorado Springs, Colorado 80907, USA
Phone: (719) 528-2300
FAX: (719) 528-2370
..
.
11-Bit
SAR
DAC
ADC Section 1
T/H
11
11-Bit
SAR
DAC
ADC Section 8
Auto-
Zero
CMP
Auto-
Zero
CMP
T/H
11
VRef
1:8
Mux
.
11
11-Bit
8:1
Mux/
Error
Correction
Timing
and
Control
P1
P2
P7
P8
ADC Section 2
ADC Section 7
.
Reference Ladder
Ref
In
Enable
CLK In
Data
Valid
AIN
.
D10 Overrange
D9 (MSB)
D8
D7
D6
D5
D4
D3
D2
D1
D (LSB)
APPLICATIONS
All High-Speed Applications Where
Low Power Dissipation is Required
Video Imaging
Medical Imaging
IR Imaging
Scanners
Digital Communications
BLOCK DIAGRAM
FEATURES
Monolithic 10 MSPS Converter
100 mW Power Dissipation
On-Chip Track-and-Hold
Single +5 V Power Supply
TTL/CMOS Outputs
5 pF Input Capacitance
Low Cost
Tri-State Output Buffers
High ESD Protection: 3,500 V Minimum
Selectable +3 V or +5 V Logic I/O
GENERAL DESCRIPTION
The SPT7840 is a 10-bit monolithic, low cost, ultralow power
analog-to-digital converter capable of minimum word rates
of 10 MSPS. The on-chip track-and-hold function assures
very good dynamic performance without the need for exter-
nal components. The input drive requirements are mini-
mized due to the SPT7840's low input capacitance of only
5 pF.
Power dissipation is extremely low at only 100 mW typical
(120 mW maximum) at 10 MSPS with a power supply of
+5.0 V. The digital outputs are +3 V or +5 V, and are user
selectable. The SPT7840 is pin-compatible with the entire
family of SPT 10-bit, CMOS converters (SPT7835/40/50/55/
60/61) which simplifies upgrades.
The SPT7840 has incorporated proprietary circuit design
and CMOS processing technologies to achieve its advanced
performance. Inputs and outputs are TTL/CMOS-compat-
ible to interface with TTL/CMOS-logic systems. Output data
format is straight binary.
The SPT7840 is available in 28-lead 300 mil cerdip and
PDIP, 28-lead SOIC and 32-lead small (7 mm square) TQFP
packages over the commercial temperature range. For avail-
ability of extended temperature ranges and /883 processing
requirements, consult the factory.
相關(guān)PDF資料
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