AK2572 参数 Datasheet PDF下载

ASAHI KASEI

[AK2572]

(5) I-DAC1 Characteristics

Item

Condition

Min.

Typ.

Max.

Unit

Note

Resolution

8

bit

Straight Binary

Input Code＝FFh

Maximum Output

IOUT1＝1.3V

9.4

10.2

11.0

mA

Current 1 (Source)

RE_DAC1_GAIN＝1

Input Code＝FFh

Maximum Output

IOUT1＝1.3V

0.94

1.02

1.10

mA

Current 2 (Source)

RE_DAC1_GAIN＝0

RE_MODV_SEL＝0

Current Supply at

IOUT1＝VSS

μA

10

Shutdown

TXDIS＝“H” [*]

IOUT1＝1.3V

μA

RE_DAC1_GAIN＝1

1 LSB Current Step 1

40.0

IOUT1＝1.3V

μA

RE_DAC1_GAIN＝0

1 LSB Current Step 2

4.0

IOUT1＝1.3V

DNL

-1

+1

LSB Input Code＝10h~FFh

IOUT1＝1.3V

INL

-2

+2

LSB Input Code＝10h~FFh

[*] At RE_SFP_SET＝“0“, a logical sum of TXFAULT output and TXDIS-pin input becomes a disable request.

Refer to Table 7-1.

(6) I-DAC2 Characteristics

Item

Condition

Min.

Typ.

Max.

Unit

Note

Resolution

8

bit

Straight Binary

Input Code＝FFh

Maximum Output

IOUT2＝VDD－1.7V

78.2

85.0

91.8

mA

Current 1 (Sink)

RE_DAC2_GAIN＝1

Input Code＝FFh

Maximum Output

IOUT2＝VDD－1.7V

39.1

42.5

45.9

mA

Current 2 (Sink)

RE_DAC2_GAIN＝0

Current Supply at

IOUT2＝VDD

μA

TXDIS＝“H” [*]

100

Shutdown

μA

RE_DAC2_GAIN＝1

1 LSB Current Step 1 IOUT2＝VDD－1.7V

333

μA

RE_DAC2_GAIN＝0

1 LSB Current Step 2 IOUT2＝VDD－1.7V

167

IOUT2＝VDD－1.7V

DNL

-1

+1

LSB Input Code＝10h~FFh

IOUT2＝VDD－1.7V

INL

-2

+2

LSB Input Code＝10h~FFh

[*] At RE_SFP_SET＝“0“, a logical sum of TXFAULT output and TXDIS-pin input becomes a disable request.

Refer to Table 7-1.

(7) V-DAC3 Characteristics

Item

Condition

Min.

Typ.

Max.

Unit

Note

Resolution

8

bit

Straight Binary

Input Code＝FFh

Maximum Output

10kΩ (to VSS)

1.11

1.20

1.29

V

Voltage 1

RE_DAC3_GAIN＝1

Input Code＝FFh

Maximum Output

10kΩ (to VSS)

2.03

2.20

2.37

V

Voltage 2

RE_DAC3_GAIN＝0

Minimum Output

10kΩ (to VDD)

Input Code＝00h

0.2

V

Voltage

RE_MODV_SEL＝1

Voltage Supply at

10kΩ (to VDD)

0.2

V

Shutdown

TXDIS＝“H” [*]

10kΩ (to VSS)

RE_DAC3_GAIN＝1

1 LSB Voltage Step 1

4.7

mV

10kΩ (to VSS)

RE_DAC3_GAIN＝0

1 LSB Voltage Step 2

8.6

mV

10kΩ (to VSS)

DNL

-1

+1

LSB Input Code＝20h~FFh

10kΩ (to VSS)

INL

-2

+2

LSB Input Code＝20h~FFh

[*] At RE_SFP_SET＝“0“, a logical sum of TXFAULT output and TXDIS-pin input becomes a disable request.

Refer to Table 7-1.

-8-

<MS0290-E-01>

2004/8