REV. A

–11–

AD53522

Pin Number

Mnemonic

Description

60

QL2

One of Two Complementary Outputs for the Logic 0 Window Comparator of Channel 2.

61

RLDB2

One of Two Complementary Inputs that Control, in Conjunction with IOD2 and IODB2, the Operating

Mode of the Channel 2 Driver. Refer to Table I for specific conditions.

62

PWRD2

Power-Down Control for Channel 2.

63

GND_ROT

Analog Ground.

64

PWRD1

Power-Down Control for Channel 1.

65

RLDB1

One of Two Complementary Inputs that Control, in Conjunction with IOD1 and IODB1, the Operating

Mode of the Channel 1 Driver.

66

QL1

One of Two Complementary Outputs for the Logic 0 Window Comparator of Channel 1.

67

QLB1

One of Two Complementary Outputs for the Logic 0 Window Comparator of Channel 1.

68

VCCO1

Input Supply Voltage for QH1, QHB1, QL1, and QLB1 Signals and Reference Voltage for DATA1,

DATAB1, IOD1, IODB1, RLD1, and RLDB1.

69

QHB1

One of Two Complementary Outputs for the Logic 1 Window Comparator of Channel 1.

70

QH1

One of Two Complementary Outputs for the Logic 1 Window Comparator of Channel 1.

75

LCOMP1

Analog Input Voltage that Sets the Logic 0 Compare Reference for the Window Comparator of Channel 1.

76

HCOMP1

Analog Input Voltage that Sets the Logic 1 Compare Reference for the Window Comparator of Channel 1.

77

VL1

Analog Input Voltage that Sets the Logic 0 Level of the Driver Output Limit for Channel 1. Determines

the driver output for DATAB1 > DATA1.

78

VTERM1

Analog Input Voltage that Sets the Termination Voltage Level of the Channel 1 Driver when in VTERM Mode.

79

VH1

Analog Input Voltage that Sets the Logic 1 Level of the Driver Output Limit for Channel 1. Determines

the driver output for DATA1 > DATAB1.

80

VCOM1

Analog Input Voltage that Establishes the Commutation Voltage for the Active Load Diode Bridge for Channel 1.

83

DATAB1

One of Two Complementary Inputs that Determine the High and Low State of the Channel 1 Driver.

Driver output is high for DATA1 > DATAB1. Refer to the Driver Truth Table for specific conditions.

84

DATA1

One of Two Complementary Inputs that Determine the High and Low State of the Channel 1 Driver.

Driver output is high for DATA1 > DATAB1. Refer to the Driver Truth Table for specific conditions.

85

IODB1

One of Two Complementary Inputs that Control, in Conjunction with RLD1 and RLDB1, the Operating

Mode of the Channel 1 Driver. Refer to Table I for specific conditions.

86

IOD1

One of Two Complementary Inputs that Control, in Conjunction with RLD1 and RLDB1, the Operating

Mode of the Channel 1 Driver. Refer to Table I for specific conditions.

87

RLD1

One of Two Complementary Inputs that Control, in Conjunction with IOD1 and IODB1, the Operating

Mode of the Channel 1 Driver. Refer to Table I for specific conditions.

91

INHLB1

One of Two Complementary Inputs that Control the Inhibit Mode for the Active Load Bridge of Channel 1.

92

INHL1

One of Two Complementary Inputs that Control the Inhibit Mode for the Active Load Bridge of Channel 1.

93

HQGND

Clean Analog Ground for the Active Load for Channel 1.

94

IOHC1

Analog Input Voltage that Programs the Channel 1 Active Load Sink Current.

95

IOLC1

Analog Input Voltage that Programs the Channel 1 Active Load Source Current.

96

THERM

Temperature Sensor Output Pin. A resistor (10 k

Ω) should be connected between THERM and V

The approximate die temperature can be determined by measuring the current through the resistor. The

typical scale factor is 1

µA/°K.

97

VCOM_S1

Analog Output Voltage that Represents a Buffered VCOM1 Input.

100

PROT_LO1

Channel 1 Output Voltage Sensing Diode.