Datasheet > DAC-HF12-C/883

DAC-HF12-C/883

更新时间： 2024-11-28 00:47:59

品牌	Logo	应用领域
达特尔 - DATEL		/
页数	文件大小	规格书
5页	200K
描述
Ultra-Fast, 8/10/12-Bit Digital-to-Analog Converters

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DAC-HF12-C/883 数据手册

DAC-HF

Ultra-Fast, 8ꢁ10ꢁ12-Bit Digital-to-Analog Converters

FEATURES

8, 10 and 12-Bit resolutions

Settling times to 25ns

20ppmꢁ/C max. gain tempco

Unipolar or bipolar operation

Current output

Internal feedback resistors

High-reliability MIL-STD-883 models

PRODUCT OVERVIEW

INPUT/OUTPUT CONNECTIONS

The DAC-HF Series of hybrid DAC’s are ultra

high-speed, current output devices. They incorpo-

rate state-of-the-art performance in a miniature

The DAC-HF design combines proven hybrid

construction techniques with advanced circuit

design to realize high-speed current switching.

PIN FUNCTION

BIT 1 (MSB)

BIT 2

+15V SUPPLY

GROUND

package, achieving maximum output settling times The design incorporates fast PNP current switches

BIT 3

–15V SUPPLY

REFERENCE OUT

BIPOLAR OFFSET

10V RANGE

OUTPUT

of 25ns for the 8 and 10-bit models and 50ns

for the 12-bit model. They can be used to drive a

resistor load directly for up to 1ꢀ output or a fast

operational ampiﬁer (such as DATEL’s AM-500)

for higher voltage outputs with sub-microsecond

settling times. A tapped feedback resistor and a

bipolar offset resistor are included internally to

give ﬁve programmable output voltage ranges with

an external operational ampliﬁer.

driving a low-impedance R-2R thin-ﬁlm ladder

network. The nichrome thin-ﬁlm resistor network

is deposited by electron beam evaporation on a

lowcapacitance substrate to assure high-speed

performance. The resistors are then functionally

trimmed by laser for optimum linearity.

BIT 4

BIT 5

BIT 6

BIT 7

BIT 8

20V RANGE

REFERENCE IN

GROUND

BIT 9 *

BIT 10 *

BIT 11 *

BIT 12 (LSB) *

GROUND

* See note in Figure 1

BLOCK DIAGRAM

GROUNDS

13 14 15 23

+15V SUPPLY

–15V SUPPLY

REFERENCE OUT

(–10.05V±0.05V)

–10V

REFERENCE

BIPOLAR

OFFSET

THIN-FILM R-2R

17 20V RANGE

19 10V RANGE

18 OUTPUT

LADDER NETWORK

REFERENCE

CONTROL

CIRCUIT

FAST PNP

CURRENT SWITCHES

16 REFERENCE IN

BIT

9 10 811 127

9 170 11612

MSB

LSB

FOR DAC-HF10B, PINS 11 & 12 ARE NO CONNECTION

FOR DAC-HF8B, PINS 9, 10, 11 & 12 ARE NO CONNECTION

DIGITAL INPUTS

Figure 1. DAC-HF Functional Block Diagram

DATEL, Inc. 11 Cabot Boulevard, Mansﬁeld, MA 02048-1151 USA

•

Tel: (508) 339-3000

•

www.datel.com

•

e-mail: help@datel.com

MDA_DAC-HF.B05 Page 1 of 5

12 3 4 5

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与DAC-HF12-C/883相关器件

型号	品牌	获取价格	描述	数据表
DAC-HF12-C883	DATEL	获取价格	Digital-to-Analog Converters
DAC-HF8/883	DATEL	获取价格	Ultra-Fast, 8/10/12-Bit Digital-to-Analog Converters
DAC-HF8/883		获取价格	Ultra-Fast, 8/10/12-Bit Digital-to-Analog Converters
DAC-HF8/883B	MURATA	获取价格	D/A Converter, 1 Func, Parallel, Word Input Loading, CDIP24, MINIATURE, HERMETIC SEALED, C
DAC-HF8BMC	MURATA	获取价格	D/A Converter, 1 Func, Parallel, Word Input Loading, CDIP24, MINIATURE, CERAMIC, DDIP-24
DAC-HF8BMC	DATEL	获取价格	Digital-to-Analog Converters
DAC-HF8BMC		获取价格	Ultra-Fast, 8/10/12-Bit Digital-to-Analog Converters
DAC-HF8BMC-C	DATEL	获取价格	Ultra-Fast, 8/10/12-Bit Digital-to-Analog Converters
DAC-HF8BME	DATEL	获取价格	Ultra-Fast, 8/10/12-Bit Digital-to-Analog Converters
DAC-HF8BME-C	DATEL	获取价格	Ultra-Fast, 8/10/12-Bit Digital-to-Analog Converters

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