ECRI Microelectronics

HAD2700-X Series High-precision Voltage Reference Source

Features:
Single output: +10V

Positive and negative symmetric output: ±10V
Programmable output: ±2.5V, ±5V, ±6V, ±7V, ±7.5V
High accuracy: ±0.2%
Low temperature drift: 0.5ppm/℃(min.)
Hybrid integrated ceramic or metal airtight case package
Volume: 12×7.62×3.7mm3 (ceramic DIP 8)
19×7.62×3.7mm3(ceramic DIP14)
20.6×15.5×5.5mm3(metallic package)
Quality class: commercial, industrial, military and aerospace class
Operating temperature range: 0~70℃, -40~85℃, -55~85℃, -55~125℃


1.Keywords of HAD2700-X Series High-precision Voltage Reference Source:

Precision, voltage, reference, high accuracy, energy gap, military

2.Description of HAD2700-X Series High-precision Voltage Reference Source:

High-precision voltage reference source is a type of device used for precision voltage reference. Same as foreign company's 2700 series products, HAD2700 voltage reference source series product has a main output of ±10V, in addition, HAD2700 has programmable ±2.5V, ±5V and ±6V positive and negative symmetry output voltages, the programmable control of output voltage is achieved through parallel connected outer pin, so it is flexible and convenient. Besides, if other voltage outputs are required, the product can be customized.

3.Application of HAD2700-X Series High-precision Voltage Reference Source:

Precision D/A, A/D conversion circuit
Precision voltage stabilizing circuit
Precision comparator circuit
High precision instrument

4.Schematic block diagram of HAD2700-X Series High-precision Voltage Reference Source

had2700-x-series-high-precision-voltage-reference-resource

5.Pin designation of HAD2700-X Series High-precision Voltage Reference Source

had2700-x-series-high-precision-voltage-reference-resource

Pin

Symbol

Function

Pin

Symbol

Function

1

VO

Output

5

SC

Output control

2

EN11

Output control 1

6

NC

No connection

3

EN22

Output control 2

7

NC

No connection

4

GND

Ground

8

V+

Supply voltage

Function arrangement of HAD2700-1 (+10V, +7.5V, +5V, +2.5V programmable output) pins

had2700-x-series-high-precision-voltage-reference-resource

Pin

Symbol

Function

Pin

Symbol

Function

1

Vo+

Output positive voltage

5

Vo-

Output negative voltage

2

EN1

6V control

6

V-

Negative Supply voltage

3

EN2

2.5V control

7

NC

No connection

4

GND

Ground

8

V+

Positive Supply voltage

Function arrangement of HAD2700-2 (±10V, ±6V, ±2.5V programmable output) pins

had2700-x-series-high-precision-voltage-reference-resource

Pin

Symbol

Function

Pin

Symbol

Function

1

Vo+

Output positive voltage

8

NC

No connection

2

NC

No connection

9

Vo-

Output negative voltage

3

EN1

6V control

10

V-

Negative Supply voltage

4

NC

No connection

11

NC

No connection

5

EN2

2.5V control

12

NC

No connection

6

NC

No connection

13

V+

Positive Supply voltage

7

GND

Ground

14

NC

No connection

Function arrangement of HAD2700-3 (±10V, ±6V, ±2.5V programmable output) pins

had2700-x-series-high-precision-voltage-reference-resource

Pin

Symbol

Function

Pin

Symbol

Function

1

VO+

Output positive voltage

8

NC

No connection

2

NC

No connection

9

Vo-

Output negative voltage

3

EN1

5V control

10

V-

Negative Supply voltage

4

NC

No connection

11

NC

No connection

5

EN2

2.5V control

12

NC

No connection

6

ADJ

Adjustment

13

V+

Positive Supply voltage

7

GND

Ground

14

NC

No connection

Function arrangement of HAD2700-4 (±10V, ±5V, ±2.5V programmable output) pins

6.Electric performance of circuit of HAD2700-X Series High-precision Voltage Reference Source


Table 1 Electric characteristics of HAD2700-1

Characteristics

Symbol

Condition

(Unless otherwise specified,

-55℃≤TA≤125℃

V+= 15V±0.1V)

Limit value

Unit

Min.

Max.

Static current

IS

V+= 15V±0.1V,

TA=25℃, no-load

-

3.0

mA

Output voltage

Vo1

EN2 (pin 3) and OUT (pin 1) are short-circuit, no load

2.495

2.505

V

Vo2

EN1 (pin 2) and OUT (pin 1) are short-circuit, no load

4.990

5.010

Vo3

EN2 (pin 3) and EN1 (pin 2) are short-circuit, no load

7.485

7.515

Vo4

No load

9.980

10.020

Linear adjustment

SV

Output 10.000V,TA=25℃

V+=13V→16V, no-load

-5×10-5

5×10-5

1/V

Load adjustment

SI

Output 10.000V,TA=25℃

Io=0→20mA

-5×10-5

5×10-5

1/mA

Output current

IO

TA=25℃, output 10,000V

20.0

-

mA

10.0

-

Short-circuit currenta

IOS

Output 10.000V

-

55

mA

Temperature coefficient of output voltage

ST1

EN2 (pin 3) and OUT (pin 1) are short-circuit, no load

-

10×10-6

1/℃

ST2

EN1 (pin 2) and OUT (pin 1) are short-circuit, no load

-

10×10-6

ST3

EN2 (pin 3) and EN1 (pin 2) are short-circuit, no load

-

10×10-6

ST4

No load

-

10×10-6

Output noisea

(peak-peak value)

VNO

Output 10.000V,TA=25℃

0.1Hz≤BW≤10Hz, no load

-

200

μV

Settling time a

ts

Output 10.000V, TA=25℃, no load

-

500

μs


Table 2 Electric characteristics of HAD2700-2

Characteristics

Symbol

Condition

-55℃≤TC≤125℃

V+= 15V±0.1VV-=-15V±0.1V)

Limit value

Unit

Min.

Max.

Static current

IS+

V+= 15V±0.1V,

V-=-15V±0.1V,

TA=25℃, no-load

-

5.0

mA

IS-

-

5.0

Output positive voltage

Vo1+

EN2 and Vo+ are short-circuit, no-load

2.495

2.505

V

Vo2+

EN1 and Vo+ are short-circuit, no-load

5.988

6.012

Vo3+

No load

9.980

10.020

Output negative voltage

Vo1-

EN2 and Vo+ are short-circuit, no-load

-2.505

-2.495

Vo2-

EN1 and Vo+ are short-circuit, no-load

-6.012

-5.988

Vo3-

No load

-10.020

-9.980

Linear adjustment

SV+

V+=13V→16V V-=-13V→-16V

TA=25℃, no-load

-5×10-5

5×10-5

1/V

SV-

-5×10-5

5×10-5

Load adjustment

SI+

TA=25℃,Io=0→20mA

-6×10-5

6×10-5

1/mA

SI-

-6×10-5

6×10-5

Output current

IO+

TA=25℃, output +10,000V

20.0

-

mA

10.0

-

IO-

TA=25℃, output -10,000V

20.0

-

10.0

-

Temperature coefficient of output voltage

ST1

EN2 and Vo+ are short-circuit, no-load

-

2×10-5

1/℃

ST2

EN1 and Vo+ are short-circuit, no-load

ST3

No load

ST4

EN2 and Vo+ are short-circuit, no-load

ST5

EN1 and Vo+ are short-circuit, no-load

ST6

No load

Output noisea

(peak-peak value)

VNO

Output 10.000V,TA=25℃

0.1Hz≤BW≤10Hz, no load

-

200

μV


Table 3 Electric characteristics of HAD2700-3

Characteristics

Symbol

Condition

(Unless otherwise specified,<0)

-55℃≤TC≤125℃

V+= 15V±0.1V

V-=-15V±0.1V)

Limit value

Unit

Min.

Max.

Static current

IS+

V+= 15V±0.1V,

V-=-15V±0.1V, TA=25℃, no load

-

5.0

mA

IS-

-

5.0

Output positive voltage

Vo1+

EN2 and Vo+ are short-circuit, no-load

2.495

2.505

V

Vo2+

EN1 and Vo+ are short-circuit, no-load

5.988

6.012

Vo3+

No load

9.980

10.020

Output negative voltage

Vo1-

EN2 and Vo+ are short-circuit, no-load

-2.505

-2.495

V

Vo2-

EN1 and Vo+ are short-circuit, no-load

-6.012

-5.988

Vo3-

No load

-10.020

-9.980

Linear adjustment

SV+

V+=13V→16V,

V-=-13V→-16V, TA=25℃

No load

-5×10-5

5×10-5

1/V

SV-

-5×10-5

5×10-5

Load adjustment

SI+

TA=25℃

Io=0→40mA

-6×10-5

6×10-5

1/mA

SI-

-6×10-5

6×10-5

Output current

IO+

TA=25℃, output +10,000V

40.0

-

mA

20.0

-

IO-

TA=25℃, output -10,000V

40.0

-

20.0

-

Temperature coefficient of output voltage

ST1

EN2 and Vo+ are short-circuit, no-load

-

2×10-5

1/℃

ST2

EN1 and Vo+ are short-circuit, no-load

ST3

No load

ST4

EN2 and Vo+ are short-circuit, no-load

ST5

EN1 and Vo+ are short-circuit, no-load

ST6

No load

Output noisea

(peak-peak value)

VNO

Output +10,000V,TA=25℃

0.1Hz≤BW≤10Hz, no load

-

200

μV


Table 4 Electric characteristics of HAD2700-4

Characteristics

Symbol

Condition

(Unless otherwise specified,

-55℃≤TC≤125℃

V+= 15V±0.1V

V-=-15V±0.1V)

limit value

unit

minimum

maximum

Static current

IS+

V+= 15V±0.1V,

V-=-15V±0.1V,

TA=25℃, no-load

-

5.0

mA

IS-

-

5.0

Output positive voltage

Vo1+

VO+ and EN2 are short-circuit, no-load

2.4875

2.5125

V

Vo2+

VO+ and EN1 are short-circuit, no-load

4.975

5.025

Vo3+

EN1 and EN2 are short-circuit, no-load

7.4625

7.5375

Vo4+

No load

9.9500

10.0500

Output negative voltage

Vo1-

VO+ and EN2 are short-circuit, no-load

-2.5125

-2.4875

Vo2-

VO+ and EN1 are short-circuit, no-load

-5.0250

-4.9750

Vo3-

EN1 and EN2 are short-circuit, no-load

-7.5375

-7.4625

Vo4-

No load

-10.0500

-9.9500

Linear adjustment

SV+

V+=13.5V→16.5V,

V-=-13.5V→-16.5V

No-load,TA=25℃

-5×10-5

5×10-5

1/V

SV-

-5×10-5

5×10-5

Load adjustment

SI+

Io=0→80mA,TA=25℃

-6×10-5

6×10-5

1/mA

SI-

-6×10-5

6×10-5

Output current

IO+

TA=25℃, output +10,000V

-

80.0

mA

-

40.0

IO-

TA=25℃, output -10,000V

-

80.0

-

40.0

Temperature coefficient of output voltage

ST1

VO+ and EN2 are short-circuit, no-load

-

2×10-5

1/℃

ST2

VO+ and EN1 are short-circuit, no-load

ST3

EN1 and EN2 are short-circuit, no-load

ST4

No load

ST5

VO+ and EN2 are short-circuit, no-load

ST6

VO+ and EN1 are short-circuit, no-load

ST7

EN1 and EN2 are short-circuit, no-load

ST8

No load

Output noisea

(peak-peak value)

VNO

VO=10.000V,TA=25℃,

0.1Hz≤BW≤10Hz, no load

200

μV


7.Characteristic curve of HAD2700-X Series High-precision Voltage Reference Source

had2700-x-series-high-precision-voltage-reference-resource
HAD2700-1  Characteristic curve of output voltage temperature

had2700-x-series-high-precision-voltage-reference-resource
HAD2700-2  MTBF curve

8.Application block diagram of HAD2700-X Series High-precision Voltage Reference Source

had2700-x-series-high-precision-voltage-reference-resource
HAD2700-1  Connection diagram for typical application

9.External dimensions of HAD2700-X Series High-precision Voltage Reference Source

had2700-x-series-high-precision-voltage-reference-resource
External dimensions of HAD2700-1-2

had2700-x-series-high-precision-voltage-reference-resource
External dimensions of HAD2700-3

had2700-x-series-high-precision-voltage-reference-resource
External dimensions of HAD2700-4

The type of package and performance indexes of the circuit can be adjusted and customized according to customer's demand.
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