Holtek Semiconductor Inc HT7510 Datasheet

Features

•

Single-chip CMOS construction

•

Measurement range: +3 2.0°C~+42.0°C
(+90.0~+108.0
Measurement accuracy:
Resolution: 0.1

•

Single 3.0V battery operation

•

Bonding option for Centigrade/Fahrenheit
measurement

°F)

±0.1°C (±0.2°F)

°C (0.1°F)

General Description

The HT7510 is a CMOS digital clinical ther­mometer IC for measuring body temperature in
Centigrade (
bonding option. The main function of HT7510 is
the same as HT7500. When interfaced with

°C) or Fahrenheit (°F) mode by its

Block Diagram

HT7510

Clinic al Ther mom eter

•

Highest temperature hold

•

Auto power off after 8 min. 40 sec

•

One key input switch ON/OFF

•

Display the last measured temperature

•

Low voltage detection for 2.4V

•

Interface with HT84018-0D to provide voice
report function (Refer to HT84XXX data
sheet for detail specification)

HT84018-0D, HT7510 can provide voice report
function. It also provides alarm and auto power off
functions. The other electronic components are
LCD display, thermister, 3.0V battery, ON/OFF
switch, buzzer, resistors and capacitors.

1 10th Feb ’99

Pad Assignment

HT7510

HT7510

HT84018

Chip size: 132 × 121 (mil)

2

* The IC substrate should be connected to VDD in the PCB layout artwork.

Chip size: 2735 × 1835 (µm)

2

* The IC substrate should be connected to VSS in the PCB layout artwork.

2 10th Feb ’99

HT7510

Pad Coordinates

HT7510 Unit: mil

Pad No. X Y Pad No. X Y

1 –59.50 18.78 19 60.05 –47.43
2 –59.58 6.38 20 59.88 –5.74
3 –59.58 –2.00 21 59.88 0.89
4 –59.58 –13.98 22 59.88 14.07
5 –59.58 –20.61 23 59.88 20.70
6 –59.58 –32.81 24 59.88 27.33
7 –59.24 –39.87 25 59.88 33.96
8 –57.88 –53.42 26 59.88 40.59

9 –51.26 –53.42 27 59.88 47.22
10 –44.63 –53.42 28 59.88 53.85
11 –37.99 –53.42 29 44.9 7 54.61
12 –16.28 –53.47 30 38.33 54.61
13 –3.83 –53.47 31 17.38 53.97
14 6.80 –54.06 32 –4.89 53.63
15 13.43 –54.06 33 –11.52 53.85
16 20.06 –54.06 34 –23.93 53.85
17 26.69 –54.06 35 –30.56 53.85
18 60.05 –54.06 36 –42.97 53.85

HT84018

Pad No. X Y Pad No. X Y

1 –1125.31 249.74 10 320.15 –639.24
2 –1177.49 –263.79 11 505.75 –639.24
3 –939.68 –749.61 12 656.55 –639.24
4 –689.05 –639.24 13 842.15 –639.24
5 –503.45 –639.24 14 992.95 –639.24
6 –352.65 –639.24 15 1178.55 –639.24
7 –167.05 –639.24 16 1167.43 –382.18
8 –16.25 –639.24 17 1167.53 –242.08
9 169.35 –639.24 18 1167.53 99.04

3 10th Feb ’99

Unit: µm