中文数据手册

‫ࡼࠀگ‬Ă੻‫ۉ‬ᇸ‫ۉ‬უ‫ྷݔ‬
‫ׯگ‬ԨĂ‫ڇ‬࿋ሺᅮֶ‫ٷݣۯ‬ഗ
AD8276/AD8277
༬Ⴀ
ࠀీ઀཮
‫ۉ؜ג‬ᇸ‫ۉ‬უ‫੻ڦ‬๼෇‫ྷݔ‬
੗੍‫ڦ‬๼෇ࡗუԍࢺ
‫ۉگ‬ᇸ‫ୁۉ‬ǖ௅ཚ‫ڢ‬200 μA(ፌ‫ٷ‬ኵ)
‫ࡼࠀگ‬ǖ0.5 mW(VS = 2.5 V)
‫੻ټ‬ǖ550 kHz
ࠌఇᅞ዆Բǖ86 dB(ፌၭኵLjdc዁10 kHz)
‫گ‬฿ۙ‫ۉ‬უ೏ᅎǖ±2 μV/°C(ፌ‫ٷ‬ኵLjBप)
‫گ‬ሺᅮ೏ᅎǖ1 ppm/°C(ፌ‫ٷ‬ኵLjBप)
ሺഽ‫ڦ‬უӦ୲ǖ1.1 V/μs
੻‫ۉ‬ᇸ‫ۉ‬უ‫ྷݔ‬ǖ
! ‫ۉڇ‬ᇸࠃ‫ۉ‬ǖ2 V዁36 V
! ມ‫ۉ‬ᇸࠃ‫ۉ‬ǖ±2 V዁±18 V
+VS
7
AD8276
+IN 3
6
OUT
1
REF
12
SENSEA
13
OUTA
14
REFA
10
SENSEB
9
OUTB
8
REFB
཮1. AD8276
+VS
11
AD8277
߁ຎ
–INB 6
AD8276/AD8277਩ྺཚᆩ႙‫ڇ‬࿋ሺᅮֶ‫ٷݣۯ‬ഗLjዷᄲᆩ
ᇀሞᄲ൱ߛႠీĂ‫ڦࡼࠀگ‬ᆌᆩዐํ၄৛௢႑ࡽۙ૙ă໲
்ሞॽࠃ‫ࡆۉ‬ᅜྔ‫ڦ‬႑ࡽ৊ႜ‫้ٷݣ‬Lj༵ࠃटྺ‫؜‬෥‫ࠌڦ‬
ఇᅞ዆Բ(86 dB)ࢅߛ‫੻ټ‬ăೌా‫ۉ‬ፆঢ়ࡗघ࠼ۙኝLjᅜइ
‫؜ڥ‬෥‫ڦ‬ሺᅮ৛‫ࠌߛࢅ܈‬ఇᅞ዆Բ(CMRR)ăଇ੼ഗॲ‫ڦ‬
ሺᅮໜ࿒‫܈‬೏ᅎट‫گ‬ă
+INB 5
40kΩ
40kΩ
40kΩ
40kΩ
40kΩ
40kΩ
40kΩ
40kΩ
4
–VS
07692-052
–INA 2
+INA 3
཮2. AD8277
՗1. ֶ‫ٷݣۯ‬ഗ‫ݴ‬ૌ
‫گ‬฿ኈ
AD8270
AD8271
AD8273
AD8274
AMP03
1
AD8276/AD8277֑ᆩ2.0 V዁36 V‫ۉڇ‬ᇸई±2 V዁±18 Vມ‫ۉ‬
ᇸࠃ‫ۉ‬ă௅߲ཚ‫ڦڢ‬ፌ‫ৢٷ‬ༀ‫ۉ‬ᇸ‫ྺୁۉ‬200 μALj‫׉ݥ‬๢
ࢇ‫ڦۉࠃ׾ۉ‬Սၻ๕ဣཥă
40kΩ
SENSE
4
‫ۉ‬უ֪ଉᇑ॔੦
‫֪ୁۉ‬ଉᇑ॔੦
ֶ‫ݴ‬๼‫؜‬ᅏ՗‫ٷݣ‬ഗ
Սၻ๕‫ۉࠃ׾ۉ‬ยԢ
֪๬ᇑ֪ଉ
AD8276/AD8277ྺ‫ڇ‬࿋ሺᅮ࿘ۨ႙‫ٷݣ‬ഗă໚඗ܾኁঢ়ࡗ
ᆫࣅLjዷᄲᆩፕֶ‫ٷݣۯ‬ഗLj‫ڍ‬ᄺ੗ᅜᆩᇀߛ৛‫܈‬Ă‫܋ڇ‬
ದዃዐLjሺᅮྺ−1Ă+1ࢅ+2ăAD8276/AD8277༵ࠃण‫ׯ‬๕
৛௢঴ਦ‫ݛ‬ӄLjԲ‫ݴ‬૬঴ਦ‫ݛ‬ӄ؅٫߸ၭĂ‫ׯ‬Ԩ߸‫گ‬ĂႠ
ీ߸ᆫă
40kΩ
5
–VS
ᆌᆩ
໲்‫ࠌڦ‬ఇ‫ྷݔ‬बࢭ๟‫ۉ‬ᇸ‫ۉ‬უ‫ڦ‬ଇԠLjᅺُ‫׉ݥ‬๢ࢇᄲ
൱ߛࠌఇ‫ۉ‬უ‫ۉڇڦྷݔ‬ᇸᆌᆩăాև‫ۉ‬ፆࢅ๼෇‫ڦ܋‬
ESD‫ۉ‬ୟ࣏ྺኄၵሏ໙‫ٷݣ‬ഗ༵ࠃࡗუԍࢺă
40kΩ
07692-001
–IN 2
40kΩ
ߛ‫ۉ‬უ
AD628
AD629
‫ୁۉ‬ॠ֪1
AD8202 (U)
AD8203 (U)
AD8205 (B)
AD8206 (B)
AD8216 (B)
‫ࡼࠀگ‬
AD8276
AD8277
AD8278
U = ‫ڇ‬ၠLjB = ມၠă
AD8276༵ࠃবู੣क़‫ڦ‬8ᆅগMSOPࢅSOICଇዖ‫ހ‬ጎLj
AD8277ሶ༵ࠃ14ᆅগSOIC‫ހ‬ጎăܾኁ‫ۨܮڦ‬࿒‫ྷݔ܈‬਩
ྺ−40°C዁+85°C߾ᄽ࿒‫ྷݔ܈‬Ljժ൐ྜඇ‫ࢇޙ‬RoHSՔ
ጚă
Rev. B
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113 ©2009–2010 Analog Devices, Inc. All rights reserved.
ADIዐ࿔Ӳຕ਍๮֩๟ᆈ࿔Ӳຕ਍๮֩‫ڦ‬ᅳ࿔Lj৤൩ଌ঴‫݋‬ᅳዐ੗ీ٪ሞ‫ڦ‬ᇕჾፇኯई‫݋‬ᅳ‫ٱ‬ဃLjADIփ‫݋ܔ‬ᅳዐ٪ሞ‫ֶڦ‬ᅴईᆯׂُิ‫ٱڦ‬ဃ޶ሴăසႴඓණඪࢆَᇕ‫ڦ‬ጚඓႠLj൩֖੊ADI༵ࠃ
‫ڦ‬ፌႎᆈ࿔Ӳຕ਍๮֩ă
AD8276/AD8277
ణ୤
༬Ⴀ
1
߾ፕᇱ૙
14
ᆌᆩ
1
!
‫ۉ‬ୟ႑တ
14
߁ຎ
1
!
ൻ‫ۯ‬AD8276/AD8277
14
ࠀీ઀཮
1
!
๼෇‫ۉ‬უ‫ྷݔ‬
14
Ⴊ۩૦๏
2
!
‫ۉ‬ᇸ
15
रຍࡀ߭
3
ᆌᆩ႑တ
16
ਨ‫ܔ‬ፌ‫ۨܮٷ‬ኵ
5
!
ದዃ
16
! ඤፆ
5
!
ֶ‫ݴ‬๼‫؜‬
16
! ፌ‫ࡼࠀٷ‬
5
!
‫ୁۉ‬ᇸ
17
! ‫܌‬ୟ‫ୁۉ‬
5
!
‫ۉ‬უࢅ‫॔ୁۉ‬੦
17
ESDয়ߢ
5
!
ᅏ՗‫ٷݣ‬ഗ
18
ᆅগದዃࢅࠀీ௮ຎ
6
RTD
18
‫ۆ‬႙߾ፕ༬Ⴀ
8
ྔႚ؅٫
19
!
20
۩ࠔኸళ
Ⴊ۩૦๏
2010౎4ሆ—Ⴊ۩ӲA዁Ⴊ۩ӲB
߸߀཮53
߸߀཮10
8
18
߸߀཮34
12
߸ႎྔႚ؅٫
19
ሺे཮36
13
߸߀๼෇‫ۉ‬უ‫ྷݔ‬և‫ݴ‬
14
߸߀‫ۉ‬ᇸև‫ݴ‬Ljሺे཮40
15
1
ሺे཮40
15
߸߀߁ຎև‫ݴ‬
1
߸߀ֶ‫ݴ‬๼‫؜‬և‫ݴ‬
16
ሺे཮2ǗዘႎಇႾ
1
ሺे཮47Lj߸߀‫ୁۉ‬ᇸև‫ݴ‬
17
߸߀रຍࡀ߭և‫ݴ‬
3
ሺे‫ۉ‬უࢅ‫॔ୁۉ‬੦և‫ݴ‬त཮49
17
߸߀཮3ࢅ՗5
5
ᅎ‫ۯ‬ᅏ՗‫ٷݣ‬ഗև‫ݴ‬LjሺेRTDև‫ݴ‬
18
7
߸߀۩ࠔኸళ
20
2009౎7ሆ—Ⴊ۩Ӳ0዁Ⴊ۩ӲA
ሺेAD8277
߸߀༬Ⴀև‫ݴ‬
ሺे཮5ࢅ՗7ǗዘႎಇႾ
ཚᆩ
2009౎5ሆ—Ⴊ۩Ӳ0ǖ‫؛‬๔Ӳ
Rev. B | Page 2 of 20
AD8276/AD8277
रຍࡀ߭
‫ݥأ‬ଷᆶຫ௽LjVS= ±5 V዁±15 VLjVREF= 0 VLjTA= 25°CLjRL= 10 kΩ(থ‫)ں‬LjG = 1ֶ‫ٷݣۯ‬ഗದዃă
՗2
G=1
֖ຕ
๼෇༬Ⴀ
! ဣཥ฿ۙ1
! ! ᇑ࿒‫࠲ڦ܈‬ဣ
! !
! ! ೝ਩࿒‫܈‬ဣຕ
ᇑ‫ۉ‬ᇸ‫ۉ‬უ‫࠲ڦ‬ဣ
! ࠌఇᅞ዆Բ
(RTI)
! ๼෇‫ۉ‬უ‫ྷݔ‬2
! ፆੇ3
! ! ֶ‫ݴ‬
! ! ࠌఇ
‫ۯ‬ༀႠీ
‫੻ټ‬
უӦ୲
0.01%ॺ૬้क़
0.001%ॺ૬้क़
ཚ‫߰ڢ‬૗
ሺᅮ!
! ሺᅮဃֶ!
! ሺᅮ೏ᅎ!
! ሺᅮ‫ݥ‬၍Ⴀ‫!܈‬
๼‫؜‬༬Ⴀ
๼‫ۉ؜‬უӦ‫ޗ‬4
‫܌‬ୟ‫ୁۉ‬၌ኵ
ඹႠ޶ሜൻ‫ۯ‬
ሯำ5
๼‫ۉ؜‬უሯำ
‫ۉ‬ᇸ
! ‫ۉ‬ᇸ‫ୁۉ‬6
! ! ᇑ࿒‫࠲ڦ܈‬ဣ
! ߾ፕ‫ۉ‬უ‫ྷݔ‬7
࿒‫!ྷݔ܈‬
! ߾ፕ‫!ྷݔ‬
ཉॲ
ፌၭኵ
Bप
‫ۆ‬႙ኵ ፌ‫ٷ‬ኵ
100
500
500
μV
μV
0.5
2
5
2
5
10
μV/°C
μV/V
+2(VS − 1.5)
dB
V
+2(VS − 1.5)
80
−2(VS + 0.1)
80
40
550
1.1
10 V ঩ሂ႑ࡽ๼‫؜‬,
CL = 100 pF
130
0.005
TA = −40°C ዁ +85°C
VOUT = 20 V ‫ރރ‬ኵ
VS = ±15 V, RL = 10 kΩ,
TA = −40°C ዁ +85°C
0.9
80
40
kΩ
kΩ
550
1.1
kHz
V/μs
15
16
f = 1 kHz
−VS + 0.2
0.02
1
5
+VS − 0.2
2
65
15
16
μs
μs
dB
0.05
5
10
%
ppm/°C
ppm
+VS − 0.2
V
mA
pF
130
0.01
−VS + 0.2
±15
200
f = 0.1 Hz ዁ 10 Hz
f = 1 kHz
‫ڇ‬࿋
200
200
86
−2(VS + 0.1)
0.9
Aप
‫ۆ‬႙ኵ ፌ‫ٷ‬ኵ
100
TA = −40°C ዁ +85°C
TA = −40°C ዁ +85°C
VS = ±5 V ዁ ±18 V
VS = ±15 V, VCM = ±27 V,
RS = 0 Ω
ፌၭኵ
±15
200
2
65
70
70
‫ރރ‬ኵ
nV/√Hz
V
°C
±2
200
250
±18
±2
200
250
±18
−40
+125
−40
+125
TA = −40°C ዁ +85°C
Ԉઔ๼෇ೋዃࢅ฿ۙ‫ୁۉ‬ဃֶLjRTO)ችࢇ዁๼‫*؜‬ă
๼෇‫ۉ‬უ‫ྷݔ‬ᄺ๴၌ᇀਨ‫ܔ‬ፌ‫ۨܮٷ‬๼෇‫ۉ‬უई๼‫؜‬Ӧ‫ޗ‬ăၘ൧൩֖९߾ፕᇱ૙և‫ݴ‬ዐ‫ڦ‬๼෇‫ۉ‬უ‫ྷݔ‬և‫ݴ‬ă
3
ాև‫ۉ‬ፆঢ়घ࠼ྲۙᅜ೅ದԲ୲ժਏᆶ±20%‫ڦ‬ਨ‫ܔ‬৛‫܈‬ă
4
๼‫ۉ؜‬უӦ‫ޗ‬ໜ‫ۉ‬ᇸ‫ۉ‬უࢅ࿒‫ܸ܈‬Վࣅăၘ൧൩֖९཮18዁཮21ă
5
Ԉઔ‫ٷݣ‬ഗ‫ۉ‬უࢅ‫ୁۉ‬ሯำᅜतઠጲాև‫ۉ‬ፆ‫ڦ‬ሯำă
6
‫ۉ‬ᇸ‫ୁۉ‬ໜ‫ۉ‬ᇸ‫ۉ‬უࢅ࿒‫ܸ܈‬Վࣅăၘ൧൩֖९཮22ᇑ཮24ă
7
੗ᅜ๑ᆩ‫ݥ‬ೝ࢚ມ‫ۉ‬ᇸࠃ‫ۉ‬Lj૩ස−VS = −0.5 Vࢅ+VS = +2 Văኟࠃ‫ࡆۉ‬ՂႷԲ޶‫ۉ‬ᇸࢅएጚ‫ۉ‬უ዁ณߛ2 Vă
1
2
Rev. B | Page 3 of 20
AD8276/AD8277
‫ݥأ‬ଷᆶຫ௽LjVS = +2.7 V዁<±5 VLjVREF = ዐक़‫ۉ‬ᇸ‫ۉ‬უLjTA = 25°CLjRL = 10 kΩ)থዐक़‫ۉ‬ᇸ‫ۉ‬უ*LjG = 1ֶ‫ٷݣۯ‬ഗದዃă
՗3
G=1
֖ຕ
๼෇༬Ⴀ
! ဣཥ฿ۙ1
! ! ᇑ࿒‫࠲ڦ܈‬ဣ
! !
! ! ೝ਩࿒‫܈‬ဣຕ
! ! ᇑ‫ۉ‬ᇸ‫ۉ‬უ‫࠲ڦ‬ဣ
! ࠌఇᅞ዆Բ
(RTI)
!
! ๼෇‫ۉ‬უ‫ྷݔ‬2
! ፆੇ3
! ! ֶ‫ݴ‬
! ! ࠌఇ
‫ۯ‬ༀႠీ
‫੻ټ‬
უӦ୲
0.01%ॺ૬้क़
ཚ‫߰ڢ‬૗
ሺᅮ!
! ሺᅮဃֶ!
! ሺᅮ೏ᅎ!
๼‫؜‬༬Ⴀ
๼‫؜‬Ӧ‫ޗ‬4
ཉॲ
ፌၭኵ
Bप
‫ۆ‬႙ኵ
Aप
‫ۆ‬႙ኵ ፌ‫ٷ‬ኵ
‫ڇ‬࿋
200
200
100
500
500
μV
μV
0.5
2
5
2
5
10
μV/°C
μV/V
86
80
86
−2(VS + 0.1)
8 V!঩ሂ႑ࡽ๼‫؜‬,
CL = 100 pF, VS = 10 V
f = 1 kHz
+2(VS − 1.5)
dB
80
−2(VS + 0.1)
+2(VS − 1.5)
dB
V
80
40
80
40
kΩ
kΩ
450
1.0
450
1.0
kHz
V/μs
5
130
5
130
μs
dB
0.005
TA = −40°C ዁ +85°C
RL = 10 kΩ ,
TA = −40°C ዁ +85°C
ፌၭኵ
100
TA = −40°C ዁ +85°C
TA = −40°C ዁ +85°C
VS = ±5 V ዁ ±18 V
VS = 2.7 V, VCM = 0 V
to 2.4 V, RS = 0 Ω
VS = ±5 V, VCM = −10 V
዁ +7 V, R S = 0 Ω
ፌ‫ٷ‬ኵ
%
ppm/°C
+VS − 0.15
±10
V
mA
ඹႠ޶ሜൻ‫ۯ‬
ሯำ5
! ๼‫ۉ؜‬უሯำ
200
200
pF
2
65
2
65
‫ރރ‬ኵ
nV/√Hz
࿒‫!ྷݔ܈‬
! ߾ፕ‫!ྷݔ‬
TA = −40°C ዁ +85°C
−VS + 0.1
0.05
5
±10
f = 0.1 Hz ዁ 10 Hz
f = 1 kHz
+VS − 0.15
0.01
‫܌‬ୟ‫ୁۉ‬၌ኵ
‫ۉ‬ᇸ
! ‫ۉ‬ᇸ‫ୁۉ‬6
! ߾ፕ‫ۉ‬უ‫ྷݔ‬
−VS + 0.1
0.02
1
2.0
200
36
2.0
200
36
V
−40
+125
−40
+125
°C
Ԉઔ๼෇ೋዃࢅ฿ۙ‫ୁۉ‬ဃֶLjRTO)ችࢇ዁๼‫*؜‬ă
๼෇‫ۉ‬უ‫ྷݔ‬ᄺ๴၌ᇀਨ‫ܔ‬ፌ‫ۨܮٷ‬๼෇‫ۉ‬უई๼‫؜‬Ӧ‫ޗ‬ăၘ൧൩֖९߾ፕᇱ૙և‫ݴ‬ዐ‫ڦ‬๼෇‫ۉ‬უ‫ྷݔ‬և‫ݴ‬ă
3
ాև‫ۉ‬ፆঢ়घ࠼ྲۙᅜ೅ದԲ୲ժਏᆶ±20%‫ڦ‬ਨ‫ܔ‬৛‫܈‬ă
4
๼‫ۉ؜‬უӦ‫ޗ‬ໜ‫ۉ‬ᇸ‫ۉ‬უࢅ࿒‫ܸ܈‬Վࣅăၘ൧൩֖९཮18዁཮21ă
5
Ԉઔ‫ٷݣ‬ഗ‫ۉ‬უࢅ‫ୁۉ‬ሯำᅜतઠጲాև‫ۉ‬ፆ‫ڦ‬ሯำă
6
‫ۉ‬ᇸ‫ୁۉ‬ໜ‫ۉ‬ᇸ‫ۉ‬უࢅ࿒‫ܸ܈‬Վࣅăၘ൧൩֖९཮23ᇑ཮24ă
1
2
Rev. B | Page 4 of 20
AD8276/AD8277
ਨ‫ܔ‬ፌ‫ۨܮٷ‬ኵ
2.0
՗4
ጀᅪLj‫؜ג‬ฉຎਨ‫ܔ‬ፌ‫ۨܮٷ‬ኵ੗ీࣷ‫ڞ‬ዂഗॲᆦ৳Ⴀ໦
࣋ăኄኻ๟‫ۨܮ‬ᆌ૰ኵLjփภतഗॲሞኄၵईඪࢆഄ໲ཉ
ॲူ‫؜ג‬Ԩरຍࡀ߭ኸՔ‫ీࠀڦ‬Ⴀ֡ፕă‫׊‬೺ሞਨ‫ܔ‬ፌ‫ٷ‬
‫ۨܮ‬ኵཉॲူ߾ፕࣷᆖၚഗॲ‫ڦ‬੗੍Ⴀă
1.6
1.2
0.8
8-LEAD SOIC
θJA = 121°C/W
8-LEAD MSOP
θJA = 135°C/W
0.4
0
–50
–25
0
25
50
75
AMBIENT TEMERATURE (°C)
100
125
཮3. ፌ‫ࡼࠀٷ‬ᇑ࣍ৣ࿒‫࠲ڦ܈‬ဣ
ඤፆ
՗5ዐ‫ڦ‬θJAኵ‫्ڦ‬ยമ༵๟ᅃ߲௢‫ހ‬႙4֫JEDECՔጚӱă
θJA
135
121
105
‫܌‬ୟ‫!ୁۉ‬
AD8276/AD8277ాዃ‫܌‬ୟԍࢺLj੗၌዆๼‫ၘ)ୁۉ؜‬൧൩֖
९཮25*ă‫܌‬ୟཉॲԨวփ໦࣋ഗॲLj‫܌ڍ‬ୟཉॲ໯ׂิ‫ڦ‬
ඤࣷሰ‫ׯ‬ഗॲ‫ࡗג‬ഄፌ‫ٷ‬঳࿒Lj၎ᆌ‫ܔں‬੗੍Ⴀሰ‫޶ׯ‬௬
ᆖၚăཚࡗ཮3ࢅ཮25Ljᅜतഗॲ‫ۉڦ‬ᇸ‫ۉ‬უࢅ࣍ৣ࿒‫܈‬
၎࠲ኪ๎Lj੗ᆩᇀඓۨ‫܌‬ୟ๟‫ࣷޏ‬ሰ‫ׯ‬ഗॲ‫ࡗג‬ഄፌ‫ٷ‬঳
࿒ă
՗5
‫ހ‬ጎૌ႙!
8ᆅগMSOP
8ᆅগSOIC‫ހ‬ጎ
14ᆅগSOIC‫ހ‬ጎ
14-LEAD SOIC
θJA = 105°C/W
07692-002
‫ۨܮ‬ኵ!
±18 V
−VS + 40 V
+VS − 40 V
−65°C ዁ +150°C
−40°C ዁ +85°C
150°C
MAXIMUM POWER DISSIPATION (W)
TJ MAX = 150°C
֖ຕ
‫ۉ‬ᇸ‫ۉ‬უ
ඪࢆ๼෇ᆅগ‫ڦ܋‬ፌ‫ۉٷ‬უ
ඪࢆ๼෇ᆅগ‫ڦ܋‬ፌၭ‫ۉ‬უ
٪‫ئ‬࿒‫ྷݔ܈‬
‫ۨܮ‬࿒‫ྷݔ܈‬
‫ހ‬ጎի૱ࣅገՎ࿒‫(܈‬TG)
‫ڇ‬࿋
°C/W
°C/W
°C/W
ፌ‫!ࡼࠀٷ‬
AD8276/AD8277‫ڦ‬ፌ‫ٷ‬Ҿඇࠀࡼ๴၌ᇀ၎ᆌ‫ڦ‬ႊೌ঳࿒
)TJ*‫ߛืڦ‬൧઄ă‫ڟٳ‬ի૱ࣅገՎ࿒‫܈‬150°Cፑᆸ้Lj໒ଙ
‫ڦ‬༬Ⴀ݀ิ߀Վăन๑ኻ๟ሡ้‫ࡗג‬ኄᅃ࿒‫܈‬၌ኵᄺᆶ੗
ీ߀Վ‫ހ‬ጎ‫ܔ‬ႊೌፕᆩ‫ڦ‬ᆌ૰Ljܸٗᆦ৳Ⴀ‫ں‬ገՎ‫ٷݣ‬ഗ
‫֖ڦ‬ຕႠీă‫้׊‬क़‫ࡗג‬150°C࿒‫܈‬੗ీ‫ڞ‬ዂࠀీෟ฿ă
ESDয়ߢ
Rev. B | Page 5 of 20
ESD(ৢ‫ߌ௺)ۉݣۉ‬ഗॲă
‫ۉټ‬ഗॲࢅ‫ۉ‬ୟӱ੗ీࣷሞுᆶִਥ‫ڦ‬൧઄ူ‫ۉݣ‬ă
৑࠶Ԩׂ೗ਏᆶጆ૧ईጆᆶԍࢺ‫ۉ‬ୟLj‫ڍ‬ሞᇜ‫ీߛڟ‬
ଉESD้Ljഗॲ੗ీࣷ໦࣋ă
ᅺُLjᆌ‫֑ړ‬ൽ๢‫ڦړ‬ESD‫ٯݔݞ‬แLjᅜՆ௨ഗॲႠీ
ူইईࠀీෟ฿ă
AD8276/AD8277
8
NC
REF 1
–IN 2
AD8276
7
+VS
+IN 3
TOP VIEW
(Not to Scale)
–IN 2
6
OUT
5
SENSE
–VS 4
NC = NO CONNECT
NC
7
+VS
6
OUT
5
SENSE
཮5. AD8276 8ᆅগSOICᆅগದዃ
՗6. AD8276ᆅগࠀీ௮ຎ
ఁ‫׬‬
REF
−IN
+IN
−VS
SENSE
OUT
+VS
NC
8
NC = NO CONNECT
཮4. AD8276 8ᆅগMSOPᆅগದዃ
ᆅগՊࡽ!
1
2
3
4
5
6
7
8
AD8276
TOP VIEW
+IN 3 (Not to Scale)
–VS 4
07692-003
REF 1
07692-004
ᆅগದዃࢅࠀీ௮ຎ
௮ຎ
एጚ‫ۉ‬უᇸ๼෇ă
‫ݒ‬၎๼෇ă!
ཞ၎๼෇ă!
޶‫ۉ‬ᇸă!
ॠ֪ᆅগă!
๼‫؜‬ă!
ኟ‫ۉ‬ᇸă!
փ૶থă!
Rev. B | Page 6 of 20
AD8276/AD8277
NC 1
14 REFA
–INA 2
+INA 3
13 OUTA
AD8277
12 SENSEA
TOP VIEW
11 +VS
(Not to Scale)
+INB 5
10 SENSEB
–INB 6
9
OUTB
NC 7
8
REFB
NC = NO CONNECT
07692-053
–VS 4
཮6. AD8277 14ᆅগSOICᆅগದዃ
՗7. AD8277ᆅগࠀీ௮ຎ
ᆅগՊࡽ!
1
2
3
4
5
6
7
8
9
10
11
12
13
14
ఁ‫!׬‬
NC
−INA
+INA
−VS
+INB
−INB
NC
REFB
OUTB
SENSEB
+VS
SENSEA
OUTA
REFA
௮ຎ
փ૶থă
ཚ‫ڢ‬A‫ݒ‬၎๼෇ă
ཚ‫ڢ‬Aཞ၎๼෇ă
޶‫ۉ‬ᇸă
ཚ‫ڢ‬Bཞ၎๼෇ă
ཚ‫ڢ‬B‫ݒ‬၎๼෇ă
փ૶থă
ཚ‫ڢ‬Bएጚ‫ۉ‬უᇸ๼෇ă
ཚ‫ڢ‬B๼‫؜‬ă
ཚ‫ڢ‬Bॠ֪ᆅগă
ኟ‫ۉ‬ᇸă
ཚ‫ڢ‬Aॠ֪ᆅগă
ཚ‫ڢ‬A๼‫؜‬ă
ཚ‫ڢ‬Aएጚ‫ۉ‬უᇸ๼෇ă
Rev. B | Page 7 of 20
AD8276/AD8277
‫ۆ‬႙߾ፕ༬Ⴀ!
‫ݥأ‬ଷᆶຫ௽LjVS = ±15 VLjTA = 25°CLjRL = 10 kΩ)থ‫*ں‬LjG = 1ֶ‫ٷݣۯ‬ഗದዃă
600
80
N = 2042
MEAN = –2.28
SD = 32.7
60
40
SYSTEM OFFSET (μV)
NUMBER OF HITS
500
400
300
200
20
0
–20
–40
–60
100
–200
–100
0
100
200
300
SYSTEM OFFSET VOLTAGE (μV)
–100
–50
07692-005
0
–300
–20
–5
10
25
40
55
70
85
TEMPERATURE (°C)
཮7. ‫ۆ‬႙ဣཥ฿ۙ‫ۉ‬უ‫ݴ‬ք཮
400
–35
07692-008
–80
཮10. ဣཥ฿ۙ‫ۉ‬უᇑ࿒‫࠲ڦ܈‬ဣLjࡃᅃࣅ዁25°C
20
N = 2040
MEAN = –0.87
SD = 16.2
15
GAIN ERROR (μV/V)
NUMBER OF HITS
10
300
200
100
5
0
–5
–10
–15
–20
–30
0
30
60
90
CMRR (μV/V)
REPRESENTATIVE DATA
–30
–50
–35
–20
–5
10
07692-006
–60
25
40
55
70
85 90
TEMPERATURE (°C)
཮8. ‫ۆ‬႙ࠌఇᅞ዆‫ݴ‬ք཮
07692-009
–25
0
–90
཮11. ሺᅮဃֶᇑ࿒‫࠲ڦ܈‬ဣLjࡃᅃࣅ዁25°C
4
10
2
0
VS = ±15V
–10
–20
–4
–30
–6
–40
REPRESENTATIVE DATA
–8
–50
–35
–20
–5
10
25
40
55
70
TEMPERATURE (°C)
85 90
཮9. CMRRᇑ࿒‫࠲ڦ܈‬ဣLjࡃᅃࣅ዁25°C
–50
100
VS = +2.7V
1k
10k
100k
1M
FREQUENCY (Hz)
཮12. ሺᅮᇑೕ୲‫࠲ڦ‬ဣLjVS= ±15 VĂ+2.7 V
Rev. B | Page 8 of 20
10M
07692-010
GAIN (dB)
–2
07692-007
CMRR (μV/V)
0
཮13. CMRRᇑೕ୲‫࠲ڦ‬ဣ
཮16. ๼෇ࠌఇ‫ۉ‬უᇑ๼‫ۉ؜‬უ‫࠲ڦ‬ဣLj5 Vࢅ2.7 V‫ۉ‬ᇸࠃ‫ۉ‬Lj
VREF = ዐक़‫ۉ‬ᇸ‫ۉ‬უ
཮14. PSRRᇑೕ୲‫࠲ڦ‬ဣ
཮17. ๼෇ࠌఇ‫ۉ‬უᇑ๼‫ۉ؜‬უ‫࠲ڦ‬ဣLj5 Vࢅ2.7 V‫ۉ‬ᇸࠃ‫ۉ‬Lj
VREF = 0 V
཮15. ๼෇ࠌఇ‫ۉ‬უᇑ๼‫ۉ؜‬უ‫࠲ڦ‬ဣLj±15 Vࢅ±5 V‫ۉ‬ᇸࠃ‫ۉ‬
཮18. ๼‫ۉ؜‬უӦ‫ޗ‬ᇑ௅ཚ‫ۉڢ‬ᇸ‫ۉ‬უत࿒‫࠲ڦ܈‬ဣLj
RL = 10 kΩ
཮19. ๼‫ۉ؜‬უӦ‫ޗ‬ᇑ௅ཚ‫ۉڢ‬ᇸ‫ۉ‬უत࿒‫࠲ڦ܈‬ဣLjRL = 2 kΩ
཮20. ๼‫ۉ؜‬უӦ‫ޗ‬ᇑRLत࿒‫࠲ڦ܈‬ဣLjVS = ±15 V
཮21. ๼‫ۉ؜‬უӦ‫ޗ‬ᇑIOUTत࿒‫࠲ڦ܈‬ဣLjVS = ±15 V
཮22. ௅ཚ‫ۉڢ‬ᇸ‫ୁۉ‬ᇑມ‫ۉ‬ᇸ‫ۉ‬უ‫࠲ڦ‬ဣLjVIN = 0 V
཮23. ௅ཚ‫ۉڢ‬ᇸ‫ୁۉ‬ᇑ‫ۉڇ‬ᇸ‫ۉ‬უ‫࠲ڦ‬ဣLj
VIN = 0 V,VREF = 0 V
཮24. ௅ཚ‫ۉڢ‬ᇸ‫ୁۉ‬ᇑ࿒‫࠲ڦ܈‬ဣ
཮25. ௅ཚ‫܌ڢ‬ୟ‫ୁۉ‬ᇑ࿒‫࠲ڦ܈‬ဣ
཮26. უӦ୲ᇑ࿒‫࠲ڦ܈‬ဣLjVIN = 20 V‫ރރ‬ኵLj1 kHz
཮27. ሺᅮ‫ݥ‬၍Ⴀ‫܈‬LjVS = ±15 VLjRL ≥ 2 kΩ
཮28. ‫ٷ‬႑ࡽஞ؋ၚᆌᇑॺ૬้क़‫࠲ڦ‬ဣLj
10 V঩ሂ႑ࡽLjVS = ±15 V
཮29. ‫ٷ‬႑ࡽஞ؋ၚᆌᇑॺ૬้क़‫࠲ڦ‬ဣLj
2 V঩ሂ႑ࡽLjVS = 2.7 V
཮30. ‫ٷ‬႑ࡽ঩ሂၚᆌ
཮31. ፌ‫ٷ‬๼‫ۉ؜‬უᇑೕ୲‫࠲ڦ‬ဣLjVS = ±15 Vñ5 V
཮34. ၭ႑ࡽࡗ؋ᇑඹႠ޶ሜ‫࠲ڦ‬ဣLjRL ≥ 2 kΩ
཮32. ፌ‫ٷ‬๼‫ۉ؜‬უᇑೕ୲‫࠲ڦ‬ဣLjVS = 5 VĂ2.7 V
཮35. ‫ۉ‬უሯำ௢‫܈‬ᇑೕ୲‫࠲ڦ‬ဣ
཮33. ߳ዖඹႠ޶ሜ‫ڦ‬ၭ႑ࡽ঩ሂၚᆌ
཮36. 0.1 Hz዁10 Hz‫ۉ‬უሯำ
཮37. ཚ‫߰ڢ‬૗
AD8276/AD8277
߾ፕᇱ૙!
‫ۉ‬ୟ႑တ!
঍ୁႠీ!
AD8276/AD8277‫ڦ‬௅߲ཚ‫ۼڢ‬Ԉࡤᅃ߲‫ࡼࠀگ‬Ă‫گ‬ሯำሏ
໙‫ٷݣ‬ഗࢅ຺߲ঢ়घ࠼ۙኝ‫ۉాೌڦ‬ፆăኄၵ‫ۉ‬ፆ੗ྔև
૶থᅜದዃ‫߳ׯ‬ዖ‫ٷݣ‬ഗLjԈઔֶ‫ۯ‬Ăཞ၎ࢅ‫ݒ‬၎ದዃă
૧ᆩAD8276/AD8277‫ڦ‬ण‫ۉׯ‬ፆ੗ྺยऺටᇵ‫ټ‬ઠැ߅ᆫ
ᇀ‫ݴ‬૬ยऺ‫تࡻڦ‬ǖස؅٫߸ၭĂ‫ׯ‬Ԩ߸‫گ‬Ă߸ߛ‫ڦ‬঍ୁ
ࢅ኱ୁႠీă
ICዐ‫ڦ‬ഗॲ؅٫ࢅጽ၍‫܈׊‬ԲPCBฉ‫ڦ‬ഗॲ؅٫ࢅጽ၍‫׊‬
‫܈‬ᄲၭ‫ܠڥ‬Lj໯ᅜ၎ᆌ‫ڦ‬सิᇮॲᄺ߸ၭăኄ๑AD8276/
AD8277‫ڦ‬঍ୁႠీ߸े‫؜‬෥ă૩සLjAD8276/AD8277ሏ
໙‫ٷݣ‬ഗ‫ڦ‬ኟ޶๼෇ᆅগᆶᅪփ༵ࠃ๼‫؜‬ᆅগăཚࡗփॽ
ኄၵব‫૶ۅ‬থ዁PCBฉ‫ڦ‬ጽ၍Lj‫ۉ‬ඹԍ‫׼‬ড‫گ‬Ljܸ༵ٗߛ
࣍ୟ࿘ۨႠժᆫࣅኝ߲ೕ୲‫ࠌڦాྷݔ‬ఇᅞ዆ă
ൻ‫ۯ‬AD8276/AD8277
+VS
ᆌጀᅪᄲ๑ᆩ‫گ‬ፆੇᇸൻ‫ۯ‬AD8276/AD8277ǖ૩සLjଷᅃ
߲‫ٷݣ‬ഗăबഥ౹)kΩ*‫ڦ‬ᇸ‫ۉ‬ፆ৽੗ᅜ๑‫ۉ‬ፆԲփೝ࢚Lj
৊ܸ၂ዸই‫گ‬AD8276/AD8277‫ڦ‬ሺᅮ৛‫ࠌࢅ܈‬ఇᅞ዆Ⴀ
ీăᅺྺ໯ᆶದዃ‫ۼ‬٪ሞຕഥ౹‫ڦ‬๼෇‫ۉ‬ፆLj໯ᅜAD8276
/AD8277փႴᄲডߛ‫ڦ‬ᇸ‫ୁۉ‬ൻ‫ۯ‬Ljᅺܸᅟᇀൻ‫ۯ‬ă
7
AD8276
IN+ 3
40kΩ
40kΩ
40kΩ
40kΩ
4
–VS
5
SENSE
6
OUT
1
REF
๼෇‫ۉ‬უ‫ྷݔ‬
07692-031
IN– 2
཮38. ࠀీ઀཮
኱ୁႠీ
ሏ໙‫ٷݣ‬ഗ‫ۉ‬ୟ‫ڦ‬኱ୁႠీ‫ٷ‬և‫ݴ‬ൽਦᇀዜྷ‫ۉ‬ፆ‫ڦ‬৛
‫܈‬ăස཮39໯๖Lj๑ᆩ۠ेᇱ૙‫ݴ‬ဆ‫ۆ‬႙ֶ‫ٷݣۯ‬ഗ‫ۉ‬ୟ
้Lj๼‫ۉ؜‬უසူ
AD8276/AD8277ీࠕ֪ଉ‫ڦࡆۉࠃ؜ג‬๼෇‫ۉ‬უăాև‫ۉ‬
ፆሞ‫ۉ‬უ‫ాڟٳ‬ևሏ໙‫ٷݣ‬ഗኮമ৊ႜ‫ݴ‬უLjྺሏ໙‫ٷݣ‬
ഗ๼෇༵ࠃԍࢺă཮39໯๖૩ጱྺֶ‫ٷݣۯ‬ഗದዃ‫ݴڦ‬უ
߾ፕᇱ૙ăྺକ๑AD8276/AD8277ీࠕኟඓ֪ଉLjాևሏ
໙‫ٷݣ‬ഗ๼෇ব‫ڦ܋ۅ‬๼෇‫ۉ‬უՂႷԍ‫׼‬Բኟࠃ‫گࡆۉ‬
1.5 VժԲ޶ࠃ‫ߛࡆۉ‬0.1 Văၘ൧൩֖੊‫ۉ‬ᇸև‫ݴ‬ă
R2 (V )
R1 + R2 IN+
R4
VIN–
VIN+
ُ‫ڪ‬๕ஃኤକAD8276/AD8277‫ڦ‬ሺᅮ৛‫ࠌࢅ܈‬ఇᅞ዆Բዷ
ᄲൽਦᇀ‫ۉ‬ፆ‫ڦ‬೅ದ‫܈ײ‬ă‫ܔ‬ᇀG = 1ֶ‫ٷݣۯ‬ഗLjन๑ഄ
ዐᅃ߲‫ۉ‬ፆᆶ0.1%‫ڦ‬փ೅ದᄺࣷॽCMRRই‫گ‬዁66 dBă
R3
R1
R2 (V )
R1 + R2 IN+
07692-033
R2
཮39. ֶ‫ٷݣۯ‬ഗ‫ݴڦ‬უ‫ۉ‬ୟ
AD8276/AD8277ሞ๼෇‫܋‬ਏᆶण‫ׯ‬ESDܾट࠶Lj༵ࠃࡗუ
ԍࢺăُ༬Ⴀ࿮Ⴔ‫ྔڦྔܮ‬ևԍࢺ‫ۉ‬ୟLj०ࣅକဣཥย
ऺLjํ၄କ߸े୛Ԁ‫ڦ‬ဣཥă
ֶ‫ٷݣۯ‬ഗ๼‫ۉ؜‬უ‫ڪ‬๕੗०ࣅྺ
AD8276/AD8277ฉ‫ۉڦ‬ፆঢ়ࡗघ࠼ۙኝᅜ৛ඓ೅ದăᅺ
ُLjAD8276/AD8277੗༵ࠃᆫᇀ‫ݴ‬૬঴ਦ‫ݛ‬ӄ‫؜ڦ‬෥Ⴀ
ీǖሞড੻࿒‫ాྷݔ܈‬Ljධీํ၄߸ॅ‫ڦ‬CMRRĂሺᅮ৛
‫ࢅ܈‬ሺᅮ೏ᅎă
ഗॲඪᅃ๼෇‫ۉ܋‬უ‫ڦ‬Ҿඇ‫ྷݔ‬੗ᅜ‫ڟٳ‬+VS − 40 V዁−VS
+40 Vă૩සLj๑ᆩ±10 V‫ۉ‬ᇸࠃ‫้ۉ‬Lj๼෇‫ۉ‬უ੗ߛ‫ٳ‬
±30 Văᆌጀᅪփᄲ‫ࡗג‬+VS − 40 V዁−VS + 40 V‫ڦ‬๼෇၌
ኵLjᅜ‫ݞ‬ഗॲ໦࣋ă
Rev. B | Page 14 of 20
AD8276/AD8277
‫ۉ‬ᇸ!
AD8276/AD8277ሞ‫ۉڦ੻׉ݥ‬ᇸ‫ۉ‬უ‫߾ాྷݔ‬ፕጒༀट
ॅăሞ๢‫ڦړ‬ยዃཉॲူLjAD8276/AD8277੗ᅜ֑ᆩ‫گ‬዁
2 Vࢅߛ‫ٳ‬36 V‫ۉڇڦ‬ᇸࠃ‫ۉ‬ă
ᆩࢽՂႷၭ႐๑ยዃཉॲඓԍాևሏ໙‫ٷݣ‬ഗኟඓೋዃᅜ
ํ၄ፌॅႠీăሏ໙‫ٷݣ‬ഗ‫ాڦ‬և๼෇ᆅগՂႷਏᆶፁࠕ
‫ۉڦ‬უᇧଉᅜኟ‫߾׉‬ፕăഗॲᄲኟ‫߾׉‬ፕLjሞኟࠃ‫ࡆۉ‬ᇑ
ሏ໙‫ٷݣ‬ഗ๼෇ᆅগኮक़Ⴔᄲ዁ณ1.5 Văُ࠲ဣ՗‫ٳ‬๕ස
ူǖ
AD8276/AD8277ᅃӯኸۨ‫ۉڇ‬ᇸࠃ‫ࢅۉ‬ມ‫ۉ‬ᇸࠃᆌLj‫ڍ‬ᄺ
੗ದࢇ‫ݥ‬ೝ࢚‫ۉ‬ᇸࠃ‫ۉ‬๑ᆩǗ૩සLj−VS = −5 VLj+VS = 20 Vă
ଇ߲‫ۉ‬ᇸኮक़‫ڦ‬უֶՂႷԍ‫گ׼‬ᇀ36 Văኟࠃ‫ࡆۉ‬ՂႷԲ
޶‫ۉ‬ᇸࢅएጚ‫ۉ‬უ዁ณߛ2 Vă
R1 (V
)
R1 + R2 REF
R4
R3
R1
VREF
R1 (V
)
R1 + R2 REF
૩සLj֑ᆩ+VS = 2 V‫ۉڇ‬ᇸࠃ‫ۉ‬൐VREF = 0 V้Ljٗ཮40੗ᅜ
ੂ‫؜‬ሏ໙‫ٷݣ‬ഗ‫ڦ‬๼෇ᆅগೋዃᇀ0 VLjܸٗሎႹ‫ٷ‬ᇀ1.5 V
‫ڦ‬໯Ⴔᇧଉă඗ܸLjසࡕሞ၎ཞཉॲူV REF = 1 VLjሶሏ
໙‫ٷݣ‬ഗ‫ڦ‬๼෇ᆅগೋዃᇀ0.5 VLjबࢭ‫ٳ‬փ‫ڟ‬1.5 V‫ڦ‬໯Ⴔ
ᇧଉăُยዃփሎႹሞཞ၎๼෇ฉ٪ሞඪࢆํा‫ۉڦ‬უӦ
‫ޗ‬ăᅺُLjᆩࢽႴᄲ༵ߛ‫ۉ‬ᇸ‫ۉ‬უईই‫گ‬VREFᅜ࣬ްኟ‫׉‬
߾ፕă
07692-032
R2
཮40. ඓԍాևሏ໙‫ٷݣ‬ഗ๼෇ฉᆶፁࠕ‫ۉڦ‬უᇧଉ
ླྀ४๑ᆩ࿘ۨ‫ڦ‬኱ୁ‫ۉ‬უߴAD8276/AD8277ࠃ‫ۉ‬ă‫ۉ‬ᇸᆅ
গฉ‫ڦ‬ሯำࣷ‫ܔ‬ഗॲႠీׂิփ૧ᆖၚăሞ௅߲‫ۉ‬ᇸᆅগ
ᇑথ‫ں‬ኮक़‫ݣ‬ዃᅃ߲0.1 μFಖୟ‫ۉ‬ඹLjժ๑ഄ৑੗ీ੍ৎ௅
߲‫ۉ‬ᇸᆅগăሞ௅߲‫ۉ‬ᇸᇑথ‫ں‬ኮक़ླྀ४๑ᆩᅃ߲10 μF᮳
‫ۉ‬ඹLj޿‫ۉ‬ඹ੗ᅜᇺ૗‫ۉ‬ᇸᆅগ‫ݣ‬ዃăᅃӯܸჾLjഄ໱৛
௢ण‫ۉׯ‬ୟ੗ᅜࠌၛ޿᮳‫ۉ‬ඹă
Rev. B | Page 15 of 20
AD8276/AD8277
ᆌᆩ႑တ
ದዃ!
IN
AD8276/AD8277੗ᅜ֑ᆩຕዖ‫ݛ‬๕ದዃ)९཮42዁཮46*ă
໯ᆶኄၵದዃ‫ۼ‬ᅈડᇀాև೅ದ‫ۉ‬ፆLjᅺُਏᆶ‫؜‬෥‫ڦ‬ሺ
ᅮ৛‫ࢅ܈‬ሺᅮ೏ᅎăጀᅪLj཮43໯๖ྺAD8276/ AD8277ፕ
ྺֶ‫ٷݣۯ‬ഗLjཞ၎๼෇‫܋‬๑ᆩዐक़‫ۉ‬ᇸ‫ۉ‬უएጚᇸăኄ
๑AD8276/AD8277ీࠕᆩፕ‫ۉ‬ೝገ࣑ഗLj๢ᆩᇀᅜዐक़‫ۉ‬
ᇸ‫ۉ‬უྺएጚ‫ۉڇڦ‬ᇸࠃ‫ۉ‬ᆌᆩă
40kΩ
5
OUT
6
1
40kΩ
07692-040
3 40kΩ
VOUT = –VIN
཮44. ‫ݒ‬၎‫ٷݣ‬ഗLjሺᅮ = -1
ᇑഄ໱๼෇ᅃᄣLjՂႷ๑ᆩ‫گ‬ፆੇᇸઠൻ‫ۯ‬एጚ‫ۉ‬უᇸLj
ᅜྼ‫ా׼‬և‫ۉ‬ፆԲă཮41໯๖ྺ๑ᆩ‫ࡼࠀگ‬Ă‫گ‬ሯำ‫ڦ‬
OP1177ൻ‫ۯ‬एጚ‫ۉ‬უᇸ‫ڦ‬ᅃ߲‫ݔ‬૩ă
2 40kΩ
40kΩ
5
OUT
6
CORRECT
IN
3 40kΩ
40kΩ
1
07692-041
INCORRECT
2 40kΩ
VOUT = VIN
AD8276
AD8276
REF
཮45. ཞ၎‫ٷݣ‬ഗLjሺᅮ = 1
REF
V
V
2 40kΩ
+
40kΩ
5
OP1177
OUT
6
07692-037
1 40kΩ
IN
3 40kΩ
07692-042
–
཮41. ൻ‫ۯ‬एጚᆅগ
VOUT = 2VIN
2 40kΩ
40kΩ
཮46. ཞ၎‫ٷݣ‬ഗLjሺᅮ = 2
5
3 40kΩ
40kΩ
గၵဣཥႴᄲֶ‫ݴ‬႑ࡽᅜํ၄߸ॅ‫ڦ‬ႠీLj૩සֶ‫ݴ‬ఇຕ
ገ࣑ഗ‫ڦ‬๼෇ă཮47໯๖ྺසࢆ๑ᆩAD8276/AD8277ॽઠ
ጲᅃ߲ᅏ՗‫ٷݣ‬ഗAD8226‫܋ڇڦ‬๼‫؜‬ገ࣑‫ݴֶׯ‬႑ࡽă
AD8276‫ݒڦ‬၎๼෇‫ాڦ܋‬և೅ದ‫ۉ‬ፆሞׂิֶ‫ݴ‬႑ࡽ‫ڦ‬ཞ
้๑ሺᅮ৛‫܈‬ፌᆫăཞ၎๼෇‫ۉڦ܋‬ፆ੗ᅜᆩፕ‫ݴ‬უഗLj
ॽࠌఇ‫ۉ‬უ৛ඓยዃժ߶ጷ዁ዐक़‫ۉ‬ᇸ‫ۉ‬უLj༬՚๟֑ᆩ
‫ۉڇ‬ᇸࠃ‫ۉ‬ईሞ‫ۉ‬ᇸ‫ۉ‬უհ‫ৣ࣍ڦۯ‬ዐሏႜ้ăᄺ੗ॽཞ
၎๼෇‫ۉڦ܋‬ፆ‫܌‬ୟईยዃ዁ඪࢆ๢ࢇ‫ڦ‬ೋዃ‫ۉ‬უăጀ
ᅪLj཮47໯๖‫ڦ‬VBIAS = VCMব‫ۅ‬փ༵ࠃ๼‫؜‬ᆅগᅺྺ޿ব
‫ۅ‬ሞAD8276ాևă
1
07692-038
+IN
ֶ‫ݴ‬๼‫!؜‬
OUT
6
VOUT = VIN+ − VIN−
཮42. ֶ‫ٷݣۯ‬ഗLjሺᅮ = 1
2 40kΩ
40kΩ
5
6
+IN
3 40kΩ
VOUT = VIN+ − VIN−
40kΩ
OUT
1
VREF = MIDSUPPLY
07692-039
–IN
+IN
–IN
VS +
AD8226
VREF
R
཮43. ֶ‫ٷݣۯ‬ഗLjሺᅮ = 1Ljᅜዐक़‫ۉ‬ᇸ‫ۉ‬უྺएጚ
R
AD8276
+OUT
R
R
VS–
VBIAS = VCM
–OUT
07692-043
–IN
཮47. ֶ‫ݴ‬๼‫؜‬Ljഄࠌఇ‫ۉ‬უ߶ጷ‫ۉ‬ᇸ‫ۉ‬უዐ‫ۅ‬
Rev. B | Page 16 of 20
AD8276/AD8277
VDIFF_OUT = V+OUT − V−OUT = GainAD8226 × (V+IN – V−IN)
VCM = (VS+ − VS−)/2 = VBIAS
ᇡକ঴߸‫ܠ‬႑တLj൩֖੊AD8226ຕ਍๮֩ă
V+
V+
1
10
2
9
3
8
4
7
5
+VS
REF
–2.5V
7
40kΩ
6
40kΩ
40kΩ
40kΩ
12
13
3
6
40kΩ
40kΩ
40kΩ
40kΩ
40kΩ
IO = 2.5V(1/40kΩ + 1/R1)
R1 = R2
‫ۉ‬უࢅ‫॔ୁۉ‬੦ሞᅜူᆌᆩዐ‫࠲׉ݥ‬॰ǖ‫ۉ‬૰၍ୟऺଉĂ
‫ ۉ‬૰ ၍ ୟ ԍ ࢺ Ă ‫ ۉ‬ऐ ੦ ዆ ᆌ ᆩ ࢅ ‫ ॔ ׾ ۉ‬੦ ă AD8276/
AD8277੗ᆩᇀ॔੦ဣཥዐ‫ۉڦ‬უࢅ‫ୁۉ‬Ljස཮50໯๖ă‫ړ‬
AD8276/AD8277॔੦‫ڦ‬႑ࡽื዁ଣহ‫ۉ‬ೝᅜฉईই዁ଣহ
‫ۉ‬ೝᅜူ้Ljࣷ‫ۉ݀ة‬ୟ๚ॲLjᅜৰኟኄᅃጒ઄ई݀‫؜‬য়
ߢă
10
40kΩ
RLOAD
‫ۉ‬უࢅ‫॔ୁۉ‬੦!
+OUT
14
9
5
཮49. ࢛ୁᇸ
–OUT
8
4
–VS
AD8276
07692-056
+IN
R1
1
4
AD8277
2
R2
2N3904
AD8276
11
–IN
6
3 40kΩ
ADR821
V–
5
2 40kΩ
07692-046
AD8226‫ݴֶڦ‬๼‫ۉ؜‬უࢅࠌఇ‫ۉ‬უ‫ऺڦ‬໙ࠅ๕සူ໯๖ǖ
I1
R
཮48. AD8277ֶ‫ݴ‬๼‫؜‬ದዃ
AD8276
ස཮48໯๖Lj੗ॽAD8277‫ڦ‬ଇֶ߲‫ٷݣۯ‬ഗದዃ‫ࠃ༵ׯ‬ᅃ
ֶ߲‫ݴ‬๼‫؜‬ăֶُ‫ݴ‬๼‫؜‬ದዃ๢ࢇᇀ߳ዖᆌᆩLj૩සᆌՎ
ऺघ૤ࢅ‫܋ڇ‬዁ֶ‫ݴ‬ገ࣑ăֶ‫ݴ‬๼‫ۉ؜‬უ‫ڦ‬ሺᅮྺ2Ljऺ
໙ࠅ๕සူǖ
I3
R
IC
AD8276
V1
R
V3
R
VC
R
8:1
OP1177
ADC
VDIFF_OUT = V+OUT − V−OUT = 2 × (V+IN – V−IN)
AD8276
‫ୁۉ‬ᇸ!
AD8276
07692-057
ස཮49໯๖Ljֶ‫ٷݣۯ‬ഗAD8276੗ದዃྺ‫ۉ‬უ‫ୁۉ‬ገ࣑ഗ
ई৛௢࢛ୁᇸ‫ڦ‬ᅃև‫ݴ‬ăᇑ‫ݴ‬૬๕঴ਦ‫ݛ‬ӄ၎ԲLj๑ᆩ
AD8276‫ڪ‬ण‫ׯ‬๕৛௢঴ਦ‫ݛ‬ӄਏᆶැ߅ᆫ๞LjԈઔবู੣
क़Lj߀฀ሺᅮ৛‫ࢅ܈‬࿒‫܈‬೏ᅎႠీăాև‫ۉ‬ፆჹ߭೅ದLj
ॽဃֶࢅ࿒‫܈‬೏ᅎই዁ፌ‫گ‬ăྔև‫ۉ‬ፆR1ࢅR2සࡕ೅ದփ
ଆLjॽ‫ྺׯ‬ဣཥዷᄲ‫ڦ‬ဃֶᇸLjᅺُॺᅱ๑ᆩ৛௢‫ۉ‬ፆLj
ᅜԍ‫ߛ׼‬ႠీăADR821ण‫ׯ‬କ৛௢एጚ‫ۉ‬უᇸࢅሏ໙‫ݣ‬
‫ٷ‬ഗLjཞᄣই‫گ‬႑ࡽ૾ዐ‫ڦ‬ဃֶă
཮50.ෙ၎‫ۉ‬૰၍ୟԍࢺዐ๑ᆩAD8276॔੦‫ۉ‬უࢅ‫ୁۉ‬
཮50໯๖‫ݔ‬૩঴๥କሞෙ၎‫ۉ‬ᇸฉ๑ᆩAD8276॔੦‫ۉ‬უࢅ
‫݆ݛڦୁۉ‬ăI1዁I3๟௅၎ᄲ॔੦‫ୁۉڦ‬LjV1዁V3๟௅၎ᄲ
॔੦‫ۉڦ‬უăICࢅVC๟ࠅࠌ၍ईଭ၍ă᳘ࢇഗईՎუഗॽ
‫ۉ‬૰၍ୟথ੨૶থ዁മ‫ۉ܋‬ୟժ༵ࠃປ३Ă߰૗ࢅԍࢺă
ሞ‫॔ୁۉ‬੦֨Lj‫ୁۉ‬Վუഗ)CT*ই‫ۉگ‬૰၍ୟ‫ୁۉ‬ժॽമ
‫ۉ܋‬ୟᇑߛ‫ۉ‬უࢅߛ‫ୁۉ‬၍ୟ߰૗ਸăੵথሞ௅ֶ߲‫ݣۯ‬
‫ٷ‬ഗ‫ڦ‬๼෇‫܋‬ฉ‫ڦ‬๟ᅃ߲‫ۉୁݴ‬ፆLj޿‫ۉ‬ፆॽ᳘ࢇ‫ୁۉ‬ገ
࣑‫ۉׯ‬უă‫ۉ‬ፆኵᆯ᳘ࢇഗईՎუഗ‫ڦ‬༬ႠࢅAD8276‫ڦ‬૙
ၙ๼෇‫ۉ‬უ‫ྷݔ‬ਦۨă
Rev. B | Page 17 of 20
AD8276/AD8277
ሞ‫ۉ‬უ॔੦֨Lj๑ᆩ‫ۉ‬࿋Վუഗ(PT)ઠ༵ࠃ᳘ࢇᇑਨᇹ߰
૗ăPTྺ‫ۉ‬૰၍ୟ‫ڦ‬ᅃ߲޶ሜLjཞ้࣏ॽ‫ۉ‬უই዁੗֪ଉ
‫ۉ‬ೝăAD8276ᆶዺᇀࠓॺ୛Ԁ‫ڦ‬ဣཥLjᅺྺ໲ሎႹबࢭ๟
ഄ‫ۉ‬ᇸ‫ۉ‬უଇԠ‫ڦ‬๼෇‫ۉ‬უLjཞ้֑ᆩण‫ׯ‬๕ESDܾट࠶
‫ڦ‬ႚ๕༵ࠃ‫ྔܮ‬๼෇ԍࢺă
AD8276փৈ॔੦‫ۉ‬૰၍ୟฉ‫ۉڦ‬უࢅ‫ୁۉ‬Lj࣏ీࠕᅞ዆੗
ీ‫؜‬၄ሞ๼෇‫ڦ܋‬टߛࠌఇ‫ۉ‬უăAD8276࣏‫ܔ‬๼෇‫ۉ‬უ৊
ႜֶ‫ݴ‬዁‫܋ڇ‬ገ࣑ăAD8276༵ࠃ‫ڦ‬80 kΩֶ‫ݴ‬๼෇ፆੇፁ
ࠕߛLj໯ᅜփࣷᆖၚ๼෇႑ࡽă
ISH
AD8276
RSH
07692-058
VOUT = ISH × RSH
՗8. ‫ࡼࠀگ‬ሏ໙‫ٷݣ‬ഗ
ሏ໙‫ٷݣ‬ഗ
)B2ĂB3*
༬Ⴀ!
ມཚ‫ڢ‬Ăྲࠀࡼሏ໙‫ٷݣ‬ഗ
AD8506
৛௢Ăມཚ‫ڢ‬Ăྲࠀࡼሏ໙‫ٷݣ‬ഗ
AD8607
‫ׯگ‬ԨĂCMOSĂྲࠀࡼሏ໙‫ٷݣ‬ഗ
AD8617
ມཚ‫ڢ‬Ă৛௢ĂCMOSĂྲࠀࡼሏ໙‫ٷݣ‬ഗ
AD8667
ླྀ४ॽມཚ‫ڢ‬ሏ໙‫ٷݣ‬ഗᆩᇀߛፆੇ๼෇‫܋‬Ljᅺྺኄૌ‫ݣ‬
‫ٷ‬ഗਏᆶ߸೅ದ‫ڦ‬Ⴀీࢅ࿒‫܈‬༬Ⴀăᆯᇀ໲்࿒‫܈‬༬Ⴀ೅
ದLj໯ᅜֶ‫ٷݣۯ‬ഗAD8276੗ᅜၩ‫أ‬๼෇ሏ໙‫ٷݣ‬ഗ‫ࠌڦ‬
ఇဃֶăᅏ՗‫ٷݣ‬ഗ‫ݴֶڦ‬ሺᅮ৛‫܈‬ᇑ๼෇‫ݒ‬ઍ‫ۉ‬ፆ)RF*
Եُ೅ದ‫ׯ܈ײڦ‬Բ૩ăᅏ՗‫ٷݣ‬ഗ‫ڦ‬CMRRໜֶ‫ݴ‬ሺᅮ
)1 + 2R F/R G*ሺेܸ༵ߛLj‫ߛڍ‬ሺᅮᄺࣷই‫ࠌگ‬ఇ‫ۉ‬უ‫ݔ‬
ྷăጀᅪLjྺ๑ُದዃኟ‫߾׉‬ፕLjՂႷ๑ᆩມ‫ۉ‬ᇸࠃ‫ۉ‬ă
ᇡକ঴߸‫ܠ‬ยऺࠓၙࢅ੊ଉLj൩֖੊Ėᅏ՗‫ٷݣ‬ഗᆌᆩ߾
‫ײ‬฾ኸళėă
཮51. AD8276ཚࡗᅃ߲‫ۉୁݴ‬ፆ॔੦‫ୁۉ‬
RTD
཮51໯๖ྺසࢆ๑ᆩAD8276ཚࡗᅃ߲ডၭ‫ۉୁݴڦ‬ፆ॔੦
‫ୁۉ‬ăኄሞ‫ۉ‬ऐ੦዆(‫ୁۉ‬ॠ֪)ࢅ‫॔׾ۉ‬੦‫ࡼࠀگڪ‬ᆌᆩ
ዐডྺᆶᆩă
ᅏ՗‫ٷݣ‬ഗ!
AD8276/AD8277੗ᆩፕ‫ࡼࠀگ‬Ă‫ׯگ‬Ԩᅏ՗‫ٷݣ‬ഗ‫ॺࠓڦ‬
ఇ੷ăᅏ՗‫ٷݣ‬ഗ༵ࠃߛፆੇ๼෇ժํ၄ߛࠌఇᅞ዆ă
AD8276ࢅADIࠅິ‫ٷݣࡼࠀگڦ‬ഗ(९՗8)ದ༫๑ᆩ੗ᅜ‫ظ‬
ॺ๢ᆩᇀ‫ࡼࠀگ‬ဣཥ‫ڦ‬৛௢Ăߛࠀၳ‫ۉ‬უ֪ଉ঴ਦ‫ݛ‬ӄă
߾ᄽ੦዆ဣཥዐLj‫ۉ‬ፆ࿒‫܈‬ॠ֪ഗ)RTD*ᅃӯᇺ‫ײ‬৊ႜ֪
ଉăॽRTD૶থ዁੦዆ഗ໯Ⴔ‫ڞڦ‬၍‫ࣷ܈׊‬၂ዸ༵ߛ‫ׯ‬Ԩ
ժሺे֪ଉ‫ۉڦ‬ፆဃֶăAD8276ֶ‫ٷݣۯ‬ഗሞ֪ଉᇺ‫ײ‬3
၍RTDဣཥዐᆯᇀ‫ڞ‬၍‫ۉ‬ፆ໯ሰ‫ڦׯ‬ဃֶ‫ݛ‬௬‫׉ݥ‬ᆶၳLj
๑ᆩࢽీࠕၩ‫أ‬ᆯ‫ڞ‬၍ᆅഐ‫ڦ‬ဃֶă໲‫؜‬෥‫ڦ‬ሺᅮ೏ᅎీ
ࠕሞড੻‫ڦ‬࿒‫ࠃ༵ాྷݔ܈‬৛ඓ‫֪ڦ‬ଉࢅ࿘ۨ‫ڦ‬Ⴀీă
–IN
IEX
RL1
40kΩ
RL2
40kΩ
VOUT
RT
A1
40kΩ
40kΩ
40kΩ
RF
A2
40kΩ
RL3
VOUT
40kΩ
AD8276
AD8276
REF
VOUT = (1 + 2RF/RG) (VIN+ – VIN–)
07692-045
RG
཮53. 3၍RTD‫ۉ‬મ‫ۉ‬ፆဃֶ֪ଉ
཮63/!‫ࡼࠀگ‬Ă৛௢ᅏ՗‫ٷݣ‬ഗ!
Rev. B | Page 18 of 20
Σ-Δ
ADC
07692-059
RF
+IN
40kΩ
AD8276/AD8277
ྔႚ؅٫
3.20
3.00
2.80
8
3.20
3.00
2.80
5.15
4.90
4.65
5
1
4
PIN 1
IDENTIFIER
0.65 BSC
0.95
0.85
0.75
15° MAX
1.10 MAX
0.80
0.55
0.40
0.23
0.09
6°
0°
0.40
0.25
100709-B
0.15
0.05
COPLANARITY
0.10
COMPLIANT TO JEDEC STANDARDS MO-187-AA
཮54. 8ᆅগ‫ג‬ၭ႙‫ހ‬ጎ[MSOP]
(RM-8)
཮๖؅٫‫ڇ‬࿋ǖmm
5.00 (0.1968)
4.80 (0.1890)
8
1
5
4
1.27 (0.0500)
BSC
0.25 (0.0098)
0.10 (0.0040)
COPLANARITY
0.10
SEATING
PLANE
6.20 (0.2441)
5.80 (0.2284)
1.75 (0.0688)
1.35 (0.0532)
0.51 (0.0201)
0.31 (0.0122)
0.50 (0.0196)
0.25 (0.0099)
45°
8°
0°
0.25 (0.0098)
0.17 (0.0067)
1.27 (0.0500)
0.40 (0.0157)
COMPLIANT TO JEDEC STANDARDS MS-012-AA
CONTROLLING DIMENSIONS ARE IN MILLIMETERS; INCH DIMENSIONS
(IN PARENTHESES) ARE ROUNDED-OFF MILLIMETER EQUIVALENTS FOR
REFERENCE ONLY AND ARE NOT APPROPRIATE FOR USE IN DESIGN.
཮55. 8ᆅগՔጚၭ႙‫ހ‬ጎ[SOIC_N]
቏༹(R-8)
཮๖؅٫‫ڇ‬࿋ǖmmࢅ(inches)
Rev. B | Page 19 of 20
012407-A
4.00 (0.1574)
3.80 (0.1497)
AD8276/AD8277
8.75 (0.3445)
8.55 (0.3366)
8
14
1
7
1.27 (0.0500)
BSC
0.25 (0.0098)
0.10 (0.0039)
COPLANARITY
0.10
0.51 (0.0201)
0.31 (0.0122)
6.20 (0.2441)
5.80 (0.2283)
0.50 (0.0197)
0.25 (0.0098)
1.75 (0.0689)
1.35 (0.0531)
SEATING
PLANE
45°
8°
0°
0.25 (0.0098)
0.17 (0.0067)
1.27 (0.0500)
0.40 (0.0157)
COMPLIANT TO JEDEC STANDARDS MS-012-AB
CONTROLLING DIMENSIONS ARE IN MILLIMETERS; INCH DIMENSIONS
(IN PARENTHESES) ARE ROUNDED-OFF MILLIMETER EQUIVALENTS FOR
REFERENCE ONLY AND ARE NOT APPROPRIATE FOR USE IN DESIGN.
060606-A
4.00 (0.1575)
3.80 (0.1496)
཮56. 14ᆅগՔጚၭ႙‫ހ‬ጎ[SOIC_N]
቏༹(R-14)
཮๖؅٫‫ڇ‬࿋ǖmmࢅ(inches)
۩ࠔኸళ
႙ࡽ1
AD8276ARMZ
AD8276ARMZ-R7
AD8276ARMZ-RL
AD8276ARZ
AD8276ARZ-R7
AD8276ARZ-RL
AD8276BRMZ
AD8276BRMZ-R7
AD8276BRMZ-RL
AD8276BRZ
AD8276BRZ-R7
AD8276BRZ-RL
AD8277ARZ
AD8277ARZ-R7
AD8277ARZ-RL
AD8277BRZ
AD8277BRZ-R7
AD8277BRZ-RL
1
࿒‫ྷݔ܈‬
-40ņ዁+85ņ
-40ņ዁+85ņ
-40ņ዁+85ņ
-40ņ዁+85ņ
-40ņ዁+85ņ
-40ņ዁+85ņ
-40ņ዁+85ņ
-40ņ዁+85ņ
-40ņ዁+85ņ
-40ņ዁+85ņ
-40ņ዁+85ņ
-40ņ዁+85ņ
-40ņ዁+85ņ
-40ņ዁+85ņ
-40ņ዁+85ņ
-40ņ዁+85ņ
-40ņ዁+85ņ
-40ņ዁+85ņ
‫ހ‬ጎ௮ຎ
8ᆅগMSOP
8ᆅগMSOPLj7"ਝ‫ࢅټ‬ਝಎ
8ᆅগMSOPLj13"ਝ‫ࢅټ‬ਝಎ
8ᆅগSOIC_N
8ᆅগSOIC_NLj7"ਝ‫ࢅټ‬ਝಎ
8ᆅগSOIC_NLj13"ਝ‫ࢅټ‬ਝಎ
8ᆅগMSOP
8ᆅগMSOPLj7"ਝ‫ࢅټ‬ਝಎ
8ᆅগMSOPLj13"ਝ‫ࢅټ‬ਝಎ
8ᆅগSOIC_N
8ᆅগSOIC_NLj7"ਝ‫ࢅټ‬ਝಎ
8ᆅগSOIC_NLj13"ਝ‫ࢅټ‬ਝಎ
14ᆅগSOIC_N
14ᆅগSOIC_NLj7"ਝ‫ࢅټ‬ਝಎ
14ᆅগSOIC_NLj13"ਝ‫ࢅټ‬ਝಎ
14ᆅগSOIC_N
14ᆅগSOIC_NLj7"ਝ‫ࢅټ‬ਝಎ
14ᆅগSOIC_NLj13"ਝ‫ࢅټ‬ਝಎ
Z = ‫ࢇޙ‬RoHSՔጚ‫ڦ‬ग़ඹഗॲ
©2009–2010 Analog Devices, Inc. All rights reserved. Trademarks and
registered trademarks are the property of their respective owners.
D07692-0-4/10(B)
Rev. B | Page 20 of 20
‫ހ‬ጎ჋ၜ
RM-8
RM-8
RM-8
R-8
R-8
R-8
RM-8
RM-8
RM-8
R-8
R-8
R-8
R-14
R-14
R-14
R-14
R-14
R-14
Ք๎
H1P
H1P
H1P
H1Q
H1Q
H1Q