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부품번호 | T6B70BFG 기능 |
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기능 | Interface IC | ||
제조업체 | Toshiba Semiconductor | ||
로고 | |||
전체 21 페이지수
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
T6B70BFG
T6B70BFG
Interface IC for Hot Water Dispensers
The T6B70BFG is designed to be used mainly as an interface IC
for communication between hot water dispensers and the
corresponding controller unit, and comes equipped with a two
channel 4-bit D/A converter, pseudo sine wave generator and an
external analog signal detection circuit.
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Features
• Built-in two channel 4-bit D/A converter (opposite polarities)
• Built-in pseudo sine wave generator
(external clock 1/16 frequency divider)
• Built-in external analog signal detection/non-detection circuit
• Built-in two channel analog switch
Block Diagram
Weight: 0.16 g (typ.)
OSCIN 1
OSCOUT 2
FOUT 3
/SCTL 4
SW1IN 14
SW1OUT 15
SW2IN 11
SW2OUT 10
/RESET 5
16
frequency
divider unit
Modulation
control
circuit
Reset
circuit
Pseudo
0°C
sine wave
generator 180°C
Waveform
initialization block
4-bit D/A
converter
4-bit D/A
converter
13 SOUT+
12 SOUT−
16 VDD
Zero crossing
waveform
shaping circuit
Amp input
circuit
Cycle measurement
counter
Detection/non-detection
judgment circuit
Output buffer
7 AMPIN
6 AMPOUT
8 VSS
9 /DOUT
Pin Assignment Diagram
OSCIN ■ 1
OSCOUT ■ 2
16■ VDD
15■ SW1OUT
FOUT ■ 3
14■ SW1IN
/SCTL ■ 4 T6B70BFG 13■ SOUT+
/RESET ■ 5
12■ SOUT−
AMPOUT ■ 6
11 ■ SW2IN
AMPIN ■ 7
10■ SW2OUT
VSS ■ 8
9 ■ /DOUT
1
2007-07-19
T6B70BFG
2. Amplifier input circuit and signal detection/non-detection circuit (reception block)
The modulation signal input block is equipped with high and a low comparator to detect only when the
external sine wave signal’s amplitude is above the defined threshold. In this way, signals with amplitudes
lower than the specified threshold (e.g., noise signals) are prevented from being mistakenly detected as sine
waves.
The detection frequency range (frequency window) is determined by the divider ratio 1/17 to 1/15 of Fosc.
Detection/non-detection confirmation conditions are such that when the signals within the specified
frequency range are detected (or not detected) in succession, the signals are controlled. It takes about 9 to 15
waves (based on Fosc 1/16 frequency) to make detection/non-detection confirmation in this manner.
www.DataSheet4U.com
7
AMPIN pin
VDD
VDD
Reference
voltage
VH
High comparator
+ VA
−
VBIAS
Reference Low comparator
voltage
VL
+ VB
−
RQ
SQ
VSS
VSS
Cycle
measurement
counter
Detection
/non-detection
judgment
circuit
9
/DOUT pin
RESET
6
AMPOUT pin
AMP IN input sine waveform
VH
Input
sensitivity
VL VPP
Reception detected Reception non-detected Reception non-detected Reception non-detected
AMPOUT output timing (/RESET = L)
VH
VL VBIAS
Held at high
AMPOUT
Held at low
VBIAS < VL VBIAS > VH
VH > VBIAS > VL VH > VBIAS > VL
AMPOUT Truth Table
VBIAS > VH
VH > VBIAS > VL
VBIAS < VL
VA
L
H
H
VB AMPOUT
HL
H Hold
LH
4 2007-07-19
4페이지 T6B70BFG
Absolute Maximum Ratings (Ta = 25 ± 1.5°C)
Characteristics
Power supply voltage
Input voltage
Input peak current
Operating temperature
Storage temperature
Power dissipation
Symbol
VDD
VI
IIK
Topr
Tstg
PD (Note 1)
Rating
−0.3 to 6.0
−0.3 to
VDD + 0.3
−20 to 20
−20 to 80
−55 to 125
0.54
Unit
V
V
mA
°C
°C
W
www.DataSheet4U.com
The absolute maximum ratings of a semiconductor device are a set of ratings that must not be
exceeded, even for a moment. Do not exceed any of these ratings.
Exceeding the rating(s) may cause device breakdown, damage or deterioration, and may result
injury by explosion or combustion.
Note 1: Power dissipation decreases approximately 4.35 mW per degree (Centigrade).
7 2007-07-19
7페이지 | |||
구 성 | 총 21 페이지수 | ||
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구매 문의 | 일반 IC 문의 : 샘플 및 소량 구매 ----------------------------------------------------------------------- IGBT, TR 모듈, SCR 및 다이오드 모듈을 포함한 광범위한 전력 반도체를 판매합니다. 전력 반도체 전문업체 상호 : 아이지 인터내셔날 사이트 방문 : [ 홈페이지 ] [ 블로그 1 ] [ 블로그 2 ] |
부품번호 | 상세설명 및 기능 | 제조사 |
T6B70BF | Interface IC | Toshiba Semiconductor |
T6B70BFG | Interface IC | Toshiba Semiconductor |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |