Datasheet > PT5661

PT5661

更新时间： 2022-11-21 22:44:35

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PT5661 数据手册

Tel: 886-2-66296288

Fax:886-2-29174598

URL:http://www.princeton.com.tw

102.3mA, Current Sinking, 10-bit, I²C DAC

Preliminary

PT5661

DESCRIPTION

The PT5661 is a single 10-bit DAC with 102.3mA output current sink capability. It features an internal

reference and operates from a single 2.3V to 5.5V supply. The DAC is controlled via a 2-wire

(I²C-compatible) serial interface that operates at clock rates up to 400KHz. The PT5661 incorporates a

power-on reset circuit, which ensures that the DAC output powers up to 0V and remains there until a

valid write takes place. It has a power-down feature that reduces the current consumption of the device

to 1μA maximum. The PT5661 is designed for autofocus, image stabilization, and optical zoom

applications in camera phones, digital still cameras, and camcorders. The PT5661 also has many

industrial applications, such as controlling temperature, light, and movement, over the range -40°C to

+85°C without derating. The I²C address of the PT5661 is 0x18h.

FEATURES

• 102.3mA current sink

• Available in DFN-8 package

• Available in 2 x 3 WCSP package

• 2-wire (I²C-compatible) serial interface

• 10-bit resolution

• Integrated current sense resistor

• 2.3V to 5.5V power supply

• Guaranteed monotonic over all codes

• Power-down to 0.5μA typical

• Internal reference

• Built-in UVLO shutdown circuit

• Built-in thermal shutdown circuit

• Power-down function

• Power-on reset

PT5661 PRE1.0

- 1 -

August, 2008

12 3 4 5

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