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參數資料
| 型號： | SPT7855SCN |
| 廠商： | SIGNAL PROCESSING TECHNOLOGIES |
| 元件分類： | ADC |
| 英文描述： | 1-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PDIP28 |
| 封裝： | PLASTIC, DIP-28 |
| 文件頁數： | 1/11頁 |
| 文件大小： | 97K |
| 代理商： | SPT7855SCN |
SPT7855
10-BIT, 25 MSPS, 135 mW A/D CONVERTER
FEATURES
Monolithic 25 MSPS Converter
135 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
APPLICATIONS
All High-Speed Applications Where
Low Power Dissipation is Required
Video Imaging
Medical Imaging
IR Imaging
Digital Communications
..
.
11-Bit
SAR
DAC
ADC Section 1
T/H
11
11-Bit
SAR
DAC
ADC Section 16
Auto-
Zero
CMP
Auto-
Zero
CMP
T/H
11
VREF
1:16
Mux
.
11
11-Bit
16:1
Mux/
Error
Correction
Timing
and
Control
P1
P2
P15
P16
ADC Section 2
ADC Section 15
.
Reference Ladder
Ref
In
Enable
CLK In
Data
Valid
AIN
.
D10 Overrange
D9 (MSB)
D8
D7
D6
D5
D4
D3
D2
D1
D (LSB)
GENERAL DESCRIPTION
The SPT7855 is a 10-bit monolithic, low cost, ultralow power
analog-to-digital converter capable of minimum word rates
of 25 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 SPT7855's low input capacitance of only
5 pF.
Power dissipation is extremely low at only 135 mW typical at
25 MSPS with a power supply of +5.0 V. The digital outputs
are +3 V or +5 V, and are user selectable. The SPT7855 is
pin-compatible with the entire family of SPT 10-bit, CMOS
converters (SPT7835/40/50/55/60/61) which simplifies
upgrades.The SPT7855 has incorporated proprietary circuit
design (*) and CMOS processing technologies to achieve its
advanced performance. Inputs and outputs are TTL/CMOS-
compatible to interface with TTL/CMOS-logic systems. Out-
put data format is straight binary.
The SPT7855 is available in 28-lead PDIP, 28-lead SOIC
and 32-lead small (7 mm square) TQFP packages over the
commercial and industrial temperature ranges.
Signal Processing Technologies, Inc.
4755 Forge Road, Colorado Springs, Colorado 80907, USA
Phone: (719) 528-2300
FAX: (719) 528-2370
BLOCK DIAGRAM
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相關代理商/技術參數 |
參數描述 |
|---|---|
| SPT7855SCS | 功能描述:視頻模擬/數字化轉換器集成電路 10BIT 40MSPS SaR aDC RoHS:否 制造商:Texas Instruments 輸入信號類型:Differential 轉換器數量:1 ADC 輸入端數量:4 轉換速率:3 Gbps 分辨率:8 bit 結構: 輸入電壓:3.3 V 接口類型:SPI 信噪比: 電壓參考: 電源電壓-最大:3.45 V 電源電壓-最小:3.15 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:TCSP-48 封裝:Reel |
| SPT7855SCS_Q | 功能描述:模數轉換器 - ADC 10BIT 40MSPS SaR aDC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| SPT7855SCT | 功能描述:視頻模擬/數字化轉換器集成電路 10BIT 40MSPS SaR aDC RoHS:否 制造商:Texas Instruments 輸入信號類型:Differential 轉換器數量:1 ADC 輸入端數量:4 轉換速率:3 Gbps 分辨率:8 bit 結構: 輸入電壓:3.3 V 接口類型:SPI 信噪比: 電壓參考: 電源電壓-最大:3.45 V 電源電壓-最小:3.15 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:TCSP-48 封裝:Reel |
| SPT7855SCT_Q | 功能描述:模數轉換器 - ADC 10BIT 40MSPS SaR aDC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| SPT7855SCTX | 功能描述:直流/直流開關轉換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
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