Datasheet > AD9557

AD9557

更新时间： 2022-10-09 09:26:54

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
92页	1266K
描述
Dual Input Multiservice

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AD9557 数据手册

Data Sheet

AD9557

POWER DISSIPATION

Table 3.

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

POWER DISSIPATION

Typical Configuration

0.36

0.55

0.76

System clock: 49.152 MHz crystal; DPLL active;

both 19.44 MHz input references in differential mode;

one HSTL driver at 644.53125 MHz;

one 3.3 V CMOS driver at 161.1328125 MHz and 80 pF

capacitive load on CMOS output

All Blocks Running

0.39

0.61

0.85

125

System clock: 49.152 MHz crystal; DPLL active;

both input references in differential mode;

one HSTL driver at 750 MHz;

two 3.3 V CMOS drivers at 250 MHz and 80 pF capacitive

load on CMOS outputs

Full Power-Down

Typical configuration with no external pull-up or pull-

down resistors; about 2/3 of this power is on AVDD3

Incremental Power Dissipation

Conditions = typical configuration; table values show the

change in power due to the indicated operation

Input Reference On/Off

Differential Without Divide-by-2

Differential With Divide-by-2

Single-Ended Without Divide-by-2

Output Distribution Driver On/Off

LVDS (at 750 MHz)

Additional current draw is in the DVDD3 domain only

Additional current draw is in the AVDD domain only

A single 1.8 V CMOS output with an 80 pF load

A single 3.3 V CMOS output with an 80 pF load

HSTL (at 750 MHz)

1.8 V CMOS (at 250 MHz)

3.3 V CMOS (at 250 MHz)

Other Blocks On/Off

Second RF Divider

Channel Divider Bypassed

Additional current draw is in the AVDD domain only

LOGIC INPUTS (RESET, SYNC, PINCONTROL, M3 TO M0)

Table 4.

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

LOGIC INPUTS (RESET, SYNC, PINCONTROL)

Input High Voltage (V_IH)

Input Low Voltage (V_IL)

Input Current (I_INH, I_INL)

Input Capacitance (C_IN)

LOGIC INPUTS (M3 to M0)

Input High Voltage (V_IH)

Input ½ Level Voltage (V_IM)

Input Low Voltage (V_IL)

Input Current (I_INH, I_INL)

Input Capacitance (C_IN)

2.1

μA

0.8

100

2.5

1.0

μA

2.2

0.6

100

Rev. A | Page 5 of 92

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